Agilent Technologies U3040A Option S84 User`s and Service Guide
Contents
1. Io v UU UU b UU UU UU UU lo 9 9 9 9 e e e IN a a a a a a a a z x d N d F d N a O O 0o 0 om O o P S z 2 P s E Feee i q gt e I v E 3 2 o 820 l S E i I PORTI S ass i 839 d PORT2 m m gas A4 o8 978 vi aos l PORT3 O E 33 cre H ane sI a52 O 718 92 LAN PORTA HR Sse d i SW3IN O i l 1 sng HUD I PORT1 C z 13 o i m nz PORT2 k Y F Vile 8 c E 1 2 gio c PORT3 H NE as g i ae 38 PORTA 3 gah 65 e Se cia tl o rax 5 sq 2 E amp oa SW4IN g aa lg See g 5 3 lt g gt 2 8 i g 5 38 lt Jo l lo a E 2 k 3 l IS m 88 Sli AN Hod I PORT1 jo Li S 5 sna dx3 i o I S ll i 2 m l PORT2 i Z uod I A sng dxg i uH 2g lt V PORT3 3 o Em EE N RE o i PORT4 O i i 8g i l 3 a gt j SW51N i BED s lt 8 xli EE ei gt kK Em 2 osn sS ie 28x E PORT ss ace fe 87 ET S oa s PORT2 C ea si j 3 g a gt jai oA 92 x o 1 gt LA S pomis DS o o UII E ssim us E a s E PORT4 o o SW6 IN eo Be e Be Ana L1HOd cIHOd 1HOd vlHOd C User s and Service Guide U3040 90001 23 U3040A Option S84 Instrument Setup Controller Module Inside the controller module there are two main components the AC DC power supply and2. 0 00 cece eee ees 5 Front aud Rear Panel Features oos EIE CEDERE ARR ARRA DEAN ARE DR RR 6 SUDO DIME cs ue bose eee Re 4G RE eee dee EE eee eee Obed eee Eq EU qa dKa 9 Masonvun Power ERES ue Lid aded d E RED aed d E eb ReGen ERE end x e e peaks 9 Reterence Conditions ouo 2454 pices ERR Eres Tron FRANSA RA RR REG ORARE ARA GESUAR REESE 9 Inscator BpOcDeabIoDa uu us bIR ERE A SE eee ba ees EL oe RENE M Vae ed ARR 10 DIuasteanueat l 25 se shoes 2084s d See Fae R ESR AS aa S C X A Rd RUE SRE ROE SER SRS 12 LAN gad GPIB IMETO cers reset dd rtu EH Er b RE ad dS EEEIEE pd pa 12 Configuring the LAN DInberiabe ese sace RREARRRERARSRAASERRRRISAAASERASRGREASE 12 Locator tbe lustramebl sso obo AT ERE AER Eb adc Y ER ERE E RO RCM ER 13 Configuring the GPIB Interface 2 22 csse p xeRkIe E ERR sae ss EEG See SEER SS 14 Adding Instruments to the GPIB Configuration 0 c cece eese 14 Changing the GPIB Address occc0canccaesen eens eehee Fonds dees Reset E EAR bens 14 Controlling the Test Seb acc ks oc ose hb ee wR EG ee bw a Ee es 15 Funcional Tete cc cy dens goose he REEE Ee He Lees Eo RS A NP POSE deor dor gold BERS 25 Eguipmeont Rogue anda iriran rr E EIEN E apad e rd PEMEX d E E 25 PINAR OUD Looecsssdskeer AA Re E MAR REN dade d ddr es Adde Sones Ade 26 RIGHE UIDI oup loo PRX YER ER RUNDE E RIDERE REAPER RU PIE VR pesa ME 29 Service Informall dn c ness edo eR REX ETC ERE EEE REAGAN EE HORSES BES RR RS Eqs 31 Toouble DOO DE uia Dpban
3. User s and Service Guide U3040 90001 U3040A Option S84 Safety and Regulatory Information Servicing WARNING WARNING WARNING WARNING WARNING WARNING Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended Discard used batteries according to manufacturer s instructions Always turn the instrument power off before removing or installing an assembly These servicing instructions are for use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so The opening of covers or removal of parts is likely to expose the user to dangerous voltages Disconnect the instrument from all voltage sources before opening No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch disconnecting device Connector Care and Cleaning Precautions Remove the power cord to the instrument To clean the connectors use alcohol in a well ventilated area Allow all residual alcohol moisture to evaporate and fumes to dissipate prior to energizing the instrument WARNING WARNING To prevent electrical shock disconnect th
4. Compliance with German Noise Requirements This is to declare that this instrument is in conformance with the German Regulation on Noise Declaration for Machines Laermangabe nach der Maschinenlaermrerordnung 3 GSGV Deutschland Acoustic Noise Emission Geraeuschemission LpA lt 70 dB Lpa lt 70 dB Operator Position am Arbeitsplatz Normal Operation normaler Betrieb per ISO 7779 nach DIN 45635 t 19 EMC Information Complies with European EMC Directive 2004 108 EC e IEC EN 61326 1 e CISPR Pub 11 Group 1 class A e AS NZS CISPR 11 This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB du Canada 40 User s and Service Guide U3040 90001 U3040A Option S84 Agilent Support Services and Assistance Agilent Support Services and Assistance Service and Support Options The standard product warranty is a one year return to Agilent Technologies service warranty NOTE There are many other repair and calibration options available from the Agilent Technologies support organization These options cover a range of service agreements with varying response times Contact Agilent for additional information on available service agreements for this product Contacting Agilent Assistance with test and measurements needs and information or finding a local Agilent office are available on the Web at http www agilent com find assist If you do not have access to the Inte
5. controller board The AC DC power supply is a 12V 65W power supply that is converted to various voltages by means of DC DC converter inside the module It provides regulated voltages to all assemblies in the Test Set as well as following voltages to drive programmable step attenuator in the Test Set The internal DC voltage has the following Specification e 24V 0 6A e 12V 3A fuse e 4 5V 1A The controller board is the brain of the Test Set it handles all the communication between the Controller and the Test Set via LAN or GPIB connectivity Refer to Controlling the Test Set on page 15 39495EXT Module There are two external module drives primary and secondary that control the eight mechanical switches The mechanical switch are connected to the Test Set through the distribution board Y1151A which is installed on the 34945EXT module The 34945EXT is divided into four banks organized by channel number Any distribution board may be installed in any bank and multiple distribution boards of the same type may be installed on the same 34495EXT module Distribution Board The distribution board provides an interface between the 34945EXT module and the programmable step attenuator Depending on the model number and attenuator a suitable distribution board will be use 24 User s and Service Guide U3040 90001 U3040A Option S84 Functional Tests Functional Tests Functional testing consists of measuring transmissi
6. CW power watts s HH HH M I Frequency GHz User s and Service Guide U3040 90001 9 U3040A Option S84 Specifications Indicator Specifications Into internal termination e Maximum withstand voltage 60 V e Maximum current capacity 150 mA e Maximum ON resistance 2 5 Q e Maximum OFF resistance 10 GQ Figure5 Power Derating Factor versus VSWR 07 Power derating factor I i 0 6 0 5 1 1 5 2 2 5 3 VSWR 1 Table 3 U3040A S85 Frequency Range DC to 40 GHz Insertion Loss Figure 6 on page 11 0 3 dB 0 015 x frequency GHz DC to 26 5 GHz 0 030 x frequency GHz 0 1 dB 26 5 to 40 GHz Isolation 80 dB minimum 12 to 15 GHz Figure 7 on page 11 70 dB minimum 15 to 20 GHz 65 dB minimum 20 to 40 GHz SWR 1 3 maximum DC to 4 GHz 1 35 maximum 4 to 12 4 GHz 1 5 maximum 12 4 to 18 GHz 1 7 maximum 18 to 26 5 GHz 1 95 maximum 26 5 to 40 GHz Repeatability Up to 5 million 0 03 dB maximum cycles measured at 25 C Connectors 2 92 f 10 User s and Service Guide U3040 90001 U3040A Option S84 Specifications Figure6 Insertion Loss vs Frequency 21 dB 0 10 20 30 40 Frequency GHz Figure 7 Isolation Loss vs Frequency Spec Typical data 0 10 20 30 40 Frequency GHz User s and Service Guide U3040 90001 11 U3040A Option S84 Instrument Setup Instrument Setup LAN an
7. ROUT CLOS 1256 Switch4_Port1 ROUT CLOS 1272 Switch4 Port2 ROUT CLOS 1273 Switch4 Port3 ROUT CLOS 1275 Switch4 Port4 ROUT CLOS 1276 Switch5_Port1 ROUT CLOS 1172 Switch5_Port2 ROUT CLOS 1173 Switch5_Port3 ROUT CLOS 1175 20 User s and Service Guide U3040 90001 U3040A Option S84 Instrument Setup Table 4 Switch Control Commands ien SCPI Command b i e 2nd Level SCPI Commands Switch5_Port4 ROUT CLOS 91176 Switch6_Port1 ROUT CLOS 091152 Switch6 Port2 ROUT CLOS 01153 Switch6 Port3 ROUT CLOS 91155 Switch6 Port4 ROUT CLOS 091156 Switch Portl ROUT CLOS 01242 Switch Port2 ROUT CLOS 91243 Switch7 Port3 ROUT CLOS 91245 Switch7 Port4 ROUT CLOS 912406 Switch8_Port1 ROUT CLOS 091262 Switch8 Port2 ROUT CLOS 91263 Switch8 Port3 ROUT CLOS 091265 Switch8 Port4 ROUT CLOS 912606 Portl AII ROUT CLOS 91142 1152 1162 1172 1142 1252 1262 1272 Port2 All ROUT CLOS 91143 1153 1163 1173 1243 1253 1263 1273 Port3 All ROUT CLOS 91145 1155 1165 1175 1245 1255 1265 1275 Port4_All ROUT CLOS 91146 1156 1166 1176 1246 1256 1266 1276 Open_All ROUT CLOS 91147 1157 1167 1177 1247 1257 1267 1277 Open_Switch1 ROUT CLOS 1167 Open_Switch2 ROUT CLOS 1147 Open_Switch3 ROUT CLOS 091257 Open Switch4 ROUT CLOS 1277 Open_Switch5 ROUT CLOS 01177 Open Switch6 ROU
8. TRIG SwitchX PortY X 1 2 3 4 5 6 7 8 Y 1 2 8 4 8 Repeat step 1 through step 7 for all switches 9 Verify the isolation match etcetera for all the switches and ports using the CSV files 30 User s and Service Guide U3040 90001 U3040A Option S84 Service Information Service Information There are many other repair and calibration options available from the Agilent Technologies support organization The options cover a range of service agreements with varying response times Contact Agilent for additional information on available service agreements for this product WARNING These servicing instructions are for use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so Troubleshooting This section contains information for troubleshooting the Test Set to the assembly level only By following these procedures you may determine if the power supply front panel or main switch board needs replacing Refer to Figure 12 Block Diagram for the U3040AS84 Test Set as an aid in troubleshooting NOTE Refer to the L4491A Service manual for lower level component replacement NOTE If you need to disassemble the instrument be sure to work at an antistatic workstation and use a grounded wrist strap to prevent damage from electrostatic discharge ESD See Figure 21 on page 38 Troubleshooting the Power Supply Turn the instrument on Verify the condition of the LE
9. X Network Analyzer will be referred to throughout this document as the PNA X The U3040A884 will be referred to as the Test Set The U3040AS84 can only be controlled using an external GPIB controller or LAN When using Agilent IO libraries Connection Expert Utility the interface identifies the Test Set as U3040A without Option S84 Option S84 will be listed on the serial tag on the rear panel Verifying the Shipment To verify the contents shipped with your product refer to the Box Content List included with the shipment Inspect the shipping container If the container or packing material is damaged it should be kept until the contents of the shipment have been checked mechanically and electrically If there is physical damage refer to Contacting Agilent on page 41 Keep the damaged shipping materials if any for inspection by the carrier and an Agilent Technologies representative User s and Service Guide U3040 90001 3 U3040A Option S84 General Performance General Performance The U3040AS84 specifications have been leveraged from the 87104D Multiport Electromechanical Switch It is not intended to specify as an overall level system performance A functional certificate is supplied for the U3040AS84 There are no internal adjustment in the U3040A884 therefore an annual calibration is not required CAUTION Refer to the standard instrument documentation for damage limits to the ports Verify that your test s
10. by the instrument quotes are also returned SYST COMM LAN IPAD Typical Response 169 254 149 35 User s and Service Guide U3040 90001 15 U3040A Option S84 Instrument Setup Description This command disable or enable the use of Auto IP standard to automatically assign an IP address to the U3040A when on a network that does not have DHCP servers Syntax SYSTem COMMunicate LAN AUTOip OFF 0 ON 1 SYSTem COMMunicate LAN AUTOip Example The following command disable the Auto IP SYST COMM LAN AUTOIP OFF The following query returns the current Auto IP setting SYST COMM LAN AUTOIP Typical Response 0 Description This command disables or enables the use of the Dynamic Host Configuration Protocol DHCP Syntax SYSTem COMMunicate LAN DHCP OFF 0 ON 1 SYSTem COMMunicate LAN DHCP When DHCP is enable factory setting the instrument will try to obtain an IP address from the DHCP server If a DHCP server is found it will assign a Dynamic IP address Subnet Mask and Default Gateway to the instrument When the DHCP is disable or unavailable the instrument will use the Static IP address Subnet Mask and Default Gateway during power on NOTE If you change the DHCP setting you must cycle power on the U3040A to activate the new setting Example The following command disables DHCP SYST COMM LAN DHCP OFF The following query returns the current DHCP setting SYST COMM LAN DHCP Typical Response 0 1
11. degrees C Equipment Heating and Cooling If necessary install air conditioning and heating to maintain the ambient temperature within the appropriate range Air conditioning capacity must be consistent with the rating listed in the PNA standard documentation CAUTION When installing this product in a cabinet the convection into and out of the product must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the product by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts then forced convection must be used Required Conditions for Accuracy Enhanced Measurement Accuracy enhanced error corrected measurements require the ambient temperature of the PNA X and Test Set to be maintained within 1 C of the ambient temperature at calibration Dimensions and Space Requirements Standard installation of the Test Set and PNA X includes configuration and installation on a customer provided lab bench or table top of adequate size and strength Table 1 Test Set Dimensions Item Weight Width 42 5 cm 16 73 in Depth 58 cm 22 83 in Height 17 78 cm in Weight 9 kg 19 84 Ib User s and Service Guide U3040 90001 5 U3040A Option S84 Front and Rear Panel Features Front and Rear Panel Features Figure2 Front Panel LEDs RF Input Outputs x8 Switch In Port 3 LAN R
12. previously configured 1 From the Agilent Connection Expert application window highlight the instrument that s address was changed and click Change Properties in the Configurable Properties application window change the address to the new address setting and select OK 14 User s and Service Guide U3040 90001 U3040A Option S84 Instrument Setup Controlling the Test Set Agilent U3040A is a slave instruments A controller must be used to control the Test Set There are two methods that can be used to control the Test Set e Using LAN connection Using GPIB connection Once the connection between the Controller and the Test Set has been established LAN or GPIB the Test Set can be controlled using SCPI commands Reset Command This command resets the instrument Syntax RST Remote Interface Configuration LAN Configuration Commands Description This command assigns a static Internet Protocol IP address for the U3040A Contact your network administrator for the valid IP address to use for your instrument NOTE If you change the IP address you must cycle power on the U3040A to activate the new address Syntax SYSTem COMMunicate LAN IPADdress address SYSTem COMMunicate LAN IPADdress You can also queries the U3040A for the IP address it was assigned to Example The following command sets the IP address SYST COMM IPAD 169 254 149 35 The following query returns the IP address currently being used
13. 6 User s and Service Guide U3040 90001 U3040A Option S84 Instrument Setup Description This command assigns the IP address of the Domain Name System DNS server Contact your network administrator to determine if DNS is being used and for the correct address Syntax SYSTem COMMunicate LAN DNS address SYSTem COMMunicate LAN DNS NOTE If you change the DNS address you must cycle power on the U3040A to activate the new address Example The following command sets the DNS address SYST COMM LAN DNS 198 105 232 4 The following query returns the DNS address currently being used by the instrument the quotes are also returned SYST COMM LAN DNS Typical Response 198 105 232 4 Description This command assigns a Domain Name to the U3040A The Domain Name is translated into an IP address Syntax SYSTem COMMunicate LAN DOMain lt name gt SYSTem COMMunicate LAN DOMain NOTE If you change the Domain Name you must cycle power on the U3040A to activate the new address Example The following command defines the Domain Name SYST COMM LAN DOM www agilent com The following query returns the Domain Name currently being used by the instrument SYST COMM LAN DOM Typical response www agilent com User s and Service Guide U3040 90001 17 U3040A Option S84 Instrument Setup Description This command assigns a Default Gateway for the U3040A The specified IP Address sets the Default Gateway which allows the
14. 87 or any equivalent agency regulation or contract clause Use duplication or disclosure of Software is subject to Agilent Technologies standard commercial license terms and non DOD Departments and Agencies of the U S Government will receive no greater than Restricted Rights as defined in FAR 52 227 19 c 1 2 June 1987 U S Government users will receive no greater than Limited Rights as defined in FAR 52 227 14 June 1987 or DFAR 252 227 7015 b 2 November 1995 as applicable in any technical data Safety Notes The following safety notes are used throughout this document Familiarize yourself with each of these notes and its meaning before performing any of the procedures in this document WARNING Warning denotes a hazard It calls attention to a procedure which if not correctly performed or adhered to could result in injury or loss of life Do not proceed beyond a warning note until the indicated conditions are fully understood and met CAUTION Caution denotes a hazard It calls attention to a procedure that if not correctly performed or adhered to could result in damage to or destruction of the product Do not proceed beyond a caution sign until the indicated conditions are fully understood and met Definitions e Specifications describe the performance of parameters covered by the product warranty temperature 0 to 50 C unless otherwise noted Typical describes additional product performance information th
15. Agilent Technologies U3040A Option S84 User s and Service Guide Mechanical Switching Test Set eye Agilent Technologies Manufacturing Part Number U3040 90001 Printed in USA June 2011 Copyright Agilent Technologies Inc 2011 Warranty Statement THE MATERIAL CONTAINED IN THIS DOCUMENT IS PROVIDED AS IS AND IS SUBJECT TO BEING CHANGED WITHOUT NOTICE IN FUTURE EDITIONS FURTHER TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW AGILENT DISCLAIMS ALL WARRANTIES EITHER EXPRESS OR IMPLIED WITH REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AGILENT SHALL NOT BE LIABLE FOR ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING USE OR PERFORMANCE OF THIS DOCUMENT OR ANY INFORMATION CONTAINED HEREIN SHOULD AGILENT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT WITH THESE TERMS THE WARRANTY TERMS IN THE SEPARATE AGREEMENT WILL CONTROL DFARS Restricted Rights Notice If software is for use in the performance of a U S Government prime contract or subcontract Software is delivered and licensed as Commercial computer software as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 June 19
16. D on the front panel 1 Check the cable and connections between the main board and front panel board 2 If the cable and connections are working and the LED is still off there is still a possibility that the power supply is not supplying the necessary 24 V 12 V and 5 V to the main board Disconnect the dc power cable from the power supply to the main switch board and measure the voltages They should be 24 V 12 V and 5 V If not replace the power supply Troubleshooting the Controller Board Turn the instrument power on and verify the following 1 Check the LED display for the model option and revision information if there is no backlite or horizontal vertical lines are missing verify that the power supply is working properly if so replace the LED display 2 If there is no information or the information is scrambled replace the controller board 3 Verify the switching paths by issuing commands to switch each of the paths Ensure that the LED indicates the appropriate path User s and Service Guide U3040 90001 31 U3040A Option S84 Service Information Figure 19 U3040AS84 Switch x8 Secondary Pri Mechanical chan Mechanical Switch i Switch Controller Controller EE 39495 EXT Module Controller Module Power Supply 32 User s and Service Guide U3040 90001 U3040A Option S84 Service Information Removing the Coaxial Switch 1 Remove the four screws 0515 0772 from the front panel 2 Remove the dr
17. Switch number 1 Port 1 on the Test Set 3 Set up the Test Set to select Switch number 1 and Port number 1 with the following command over GPIB or LAN ROUT SEQ TRIG Switchl Porti For complete information on controlling the Test Set refer to Controlling the Test Set on page 15 4 Set up the network analyzer to measure S21 5 Verify the performance Refer to Table 6 on page 11 6 Save data file as a CSV for future data performance analysis Figure 17 Saving Data File Trace Chan Response Marker Analysis Stimulus Utility Help Save default csa Power Level 5 00 dBm H Save As Save Data As Manage Files Recall gt 1 at001 csa gt 2 default csa Print gt Minimize Application Exit 52 00 El gt cht Start 10 0000 MHz Stop 20 0000 GHz User s and Service Guide U3040 90001 29 U3040A Option S84 Figure 18 Selecting CSV File the following command over the GPIB Save Data As 21x Save in e Documents Oct fy A rcm My Recent Documents Desktop My Documents ge My Computer LT My Network Places File name Switchl Portl data X Save as type CSV Formatted Data csv v Cancel Edit Filename Scope Auto v Format Auto X Help g Drag items in File Listto move Right click to copy delete or rename Functional Tests Set up the Test Set to select different switches and ports Table 4 on page 20 Execute ROUT SEQ
18. T CLOS 091157 Open Switch7 ROUT CLOS 1247 Open_Switch8 ROUT CLOS 91267 User s and Service Guide U3040 90001 21 U3040A Option S84 Instrument Setup NOTE For a complete list of SCPI commands refer to Agilent L449xA RF Switch Platform User s Guide L4490 90001 Example The following SCPI command Switch1_Port1 selects Switch number 1 and the output Port number 1 ROUT SEQ TRIG Switch1_Port1 NOTE PNA X interface controller user command reference to GPIB address Syntax as prefix followed by command Example 12 ROUT SEQ TRIG Port1_All In the system configuration the two U3040AS84 instruments must have different GPIB addresses ROUTe SEQuence TRIGger lt command gt A wait statement is recommended for every switch command 22 User s and Service Guide U3040 90001 U3040A Option S84 Instrument Setup Theory of Operation This section provides a general description of the U3040AS84 Mechanical Switching Test Set This is followed by a more detailed operating theory The operation of each group is described briefly to the assembly level only Detailed component level circuit theory is not provided The Test Set consists of four main components a controller module 39495EXT module distribution board for mechanical switching and eight 1 x 4 coaxial switches Figure 12 illustrates the components and interconnects of the Switching Test Set Figure 12 Block Diagram for the U3040AS84 Test Set
19. address to the U3040A Syntax SYSTem COMMunicate GPIB ADDRess lt address gt SYSTem COMMunicate GPIB ADDRess NOTE If you change the GPIB address you must cycle power on the U3040A to activate the new address Example The following command sets the GPIB address to 10 SYST COMM GPIB ADDR 10 The following query returns the current GPIB address SYST COMM GPIB ADDR Typical Response 10 User s and Service Guide U3040 90001 19 U3040A Option S84 Instrument Setup Controlling Test Set Switch Settings Description This command executes the specified factory defined sequence from the non volatile memory If the specified sequence name not currently stored in the memory due to corrupted program or accidentally deleted an error will be generated Syntax ROUTe SEQuence TRIGger command Parameters Refer to Table 4 for commands used to control the Test Set s programmable attenuator Table 4 Switch Control Commands nibo SCPI Command Mop oval EC 2nd Level SCPI Commands Commands Switch1_Port1 ROUT CLOS 1162 Switch1_Port2 ROUT CLOS 91163 Switch1_Port3 ROUT CLOS 1165 Switch1_Port4 ROUT CLOS 1166 Switch2_Port1 ROUT CLOS 1142 Switch2_Port2 ROUT CLOS 1148 Switch2_Port3 ROUT CLOS 1145 Switch2_Port4 ROUT CLOS 1146 Switch3_Port1 ROUT CLOS 1252 Switch3_Port2 ROUT CLOS 91253 Switch3 Port3 ROUT CLOS 91255 Switch3_Port4
20. at is not covered by the product warranty It is performance beyond specification that 80 of the units exhibit with a 95 confidence level over the temperature range 20 to 30 C Typical performance does not include measurement uncertainty e Nominal values indicate expected performance or describe product performance that is useful in the application of the product but is not covered by the product warranty Characteristic Performance describes performance parameter that the product is expected to meet before it leaves the factory but is not verified in the field and is not covered by the product warranty A characteristic includes the same guard bands as a specification Contents U3040A Option S84 PIutroducll e cerus nie Sees dee ER ERE REY Sake eRe ed Eke FR PRX d c bee PERE 2 aTe a aE A EE STE E E T E E 34 pe P wd ade rdi E SE E 3d oe 3 Verd yimp the Spent c 2440555000 canes Fees DEAS ORAE RR ETRE 3 Cetera Pera ines PX ET 4 Manning AUS soca ws dee ed HRS ede SEEK EES EER Sa RET Se CEE HODES OURS SER EES ER ES 4 Power DoqorrernieibS 221324 bra dpbb E peret i ka ire DERE e deh Cp ER EE LR EE E AES 4 Environmental Requirements 2 06 le RR RR wens cheese eases ORARE weaned 5 Environmental Teste 5 00 pns Rene RR SSA PRE EEG ERG RA ENEAN E C ER Re 5 Equipment Heating and Cooling lleeleleeeeeeee ees 5 Required Conditions for Accuracy Enhanced Measurement llus 5 Dimensions and Space Requirements
21. ce or test port You can for example grasp the grounded outer shell of the test port or cable connector briefly always ground the center conductor of a test cable before making a connection to the analyzer test port or other static sensitive device This can be done as follows 1 Connect a short to one end of the cable to short the center conductor to the outer conductor 2 While wearing a grounded wrist strap grasp the outer shell of the cable connector 3 Connect the other end of the cable to the test port and remove the short from the cable Figure 21 ESD Protection Setup NOTE A 3 Wire line power cord with proper connection to ground must be used for ESD protection Anti Static Mat ku310b 38 Users and Service Guide U3040 90001 U3040A Option S84 Regulatory Information Regulatory Information This section contains information that is required by various government regulatory agencies Instrument Markings ICES NMB 001 IP20 Quo G The instruction documentation symbol The product is marked with this symbol when it is necessary for the user to refer to the instructions in the documentation This symbol indicates separate collection for electrical and electronic equipment mandated under EU law as of August 13 2005 All electric and electronic equipment are required to be separated from normal waste for disposal Reference WEEE Directive 2002 96 EC This symbol indicates that the powe
22. d GPIB Interface This section contains information for configuring the U3040A LAN and GPIB interfaces using Agilent IO Libraries Connection Expert Utility Configuring the LAN Interface 1 Connect the Test Set to the PC 2 Turn On the Test Set 3 Select IO Control icon Agilent Connection Expert from the application window Figure8 Agilent Connection Expert Agilent Connection Expert Utilities Agilent VISA Options Documentation Help Topics Installation Information 10 Config Information Hide Agilent IO Control Exit About Agilent IO Control 12 User s and Service Guide U3040 90001 U3040A Option S84 Instrument Setup Locating the Instrument Agilent Connection Expert opens with a Welcome Screen and a window similar to that shown in Figure 8 The available computer interfaces are configured during installation of the Agilent IO Libraries and are displayed in the left column Explorer Pane The properties of the configured interface are displayed in the right column Propertied Pane Figure9 Explorer and Properties Pane Z Agilent Connection Lxper Eh Edt Yee UOCorfiguation Tous a QO rowdotaoc an nitrum D Mow do t get dwers Qe cantfind programming samples Explorer Pane Properties Pane 1 Click Add Instrument on the tool bar to search the network for instruments 2 Select Add LAN Instrument on LAN TCPIPO gt OK Agilent Connection Expert performs an automatic find of all instrum
23. e Agilent Technologies U3040A Option S84 from mains electrical supply before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally If flammable cleaning materials are used the material shall not be stored or left open in the area of the equipment Adequate ventilation shall be assured to prevent the combustion of fumes or vapors User s and Service Guide U3040 90001 37 U3040A Option S84 Electrostatic Discharge Protection Electrostatic Discharge Protection Protection against electrostatic discharge ESD is essential while removing assemblies from or connecting cables to the instrument Static electricity can build up on your body and can easily damage sensitive internal circuit elements when discharged Static discharges too small to be felt can cause permanent damage To prevent damage to the instrument always have a grounded conductive table mat in front of your test equipment always wear a grounded wrist strap with grounding cord connected to a grounded conductive table mat having a 1 MQ resistor in series with it when handling components and assemblies or when making connections always wear a heel strap 9300 1126 when working in an area with a conductive floor If you are uncertain about the conductivity of your floor wear a heel strap always ground yourself before you clean inspect or make a connection to a static sensitive devi
24. ed in accordance with CAN CSA 22 2 No 61010 1 04 UL Std 61010 1 2nd Edition and IEC 61010 1 Second Edition User s and Service Guide U3040 90001 35 U3040A Option S84 Safety and Regulatory Information Before Applying Power Verify that the premises electrical supply is within the range of the instrument The instrument has an autoranging power supply WARNING CAUTION CAUTION CAUTION CAUTION 36 If this product is not used as specified the protection provided by the equipment could be impaired This product must be used in a normal condition in which all means for protection are intact only The Mains wiring and connectors shall be compatible with the connector used in the premise electrical system Failure to ensure adequate earth grounding by not using the correct components may cause product damage and serious injury This product is designed for use in Installation Category II and Pollution Degree 2 Verify that the premise electrical voltage supply is within the range specified on the instrument Ventilation Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts forced convection must be used
25. enS Er TEQUE PME E heeded ERU E d EE ERU E Eb ed iride e 31 Troubleshooting the Power Supply 0 cece eee nes 31 Troubleshooting the Controller Board 2 60 000000 dee xum a RR RR eave ebunwn 31 Removing the Coaxial Swilihi chong 6 bee keekaes px RO GROUP x Rb ROE dawn da d 33 Replaceable Parta Lieu aere robado e Cn dot Edda e dcbet we dO be ded eo 34 Safety and Regulatory Information 44 c2c0004 05 5a0000 caged dade wade RARO RAE d 35 InbrodocH seca bs een ee eee ee Se ee ee eee E PRAE TENES 35 palety Darth CUBO kek eee RARER EERE RS SEK eA DR Eee RAR 35 Declaration of Conformity 4s 0 06040 0004000040004 0 000408 eaa oed ee uae dep 35 Statement of Compliutee 5544 cde na eck ac dleh one KSRMEKO OE RRA ERE RR RARAR EAR RES 35 Before Applying Power oe seks a RARE E TEEERAGUIATERPELEXGESs SX ee REGE 36 DAMS 1 ap ESTETI dee PoE quc d Se il M Bd dl diei dudas Ro idiot 37 Connector Care and Cleaning Precautions lesse eee 37 Electrostatic Discharge Protection 3 0 0452255504053 024055 enaena eaea 38 Regulatory hiomaton usu setisERAXGGPCARZEXAGGtrbe4axaee s tad saeia ei 39 L gteumentc Masicinga socks aed dca aec ce iare c ed aaa 39 Battery Col GERE aa qeacdobdioeran qe ea epe doped bcp d Gp eap do dde dpa edo 40 Compliance with German Noise Requirements 0000 e cece eee ees 40 ENC Orme a1 03 Shel 2 EPA x e Cs expERA AU E PERRA wa RA eds sewn sous 40 Agilent Support Services and Assistance 0 0 na
26. ents on the same subnet as the computer 3 Select the desired instruments from the list and click OK Communication paths to the instruments are verified and the instruments are added to the configured interface Figure 10 Adding Instruments User s and Service Guide U3040 90001 13 U3040A Option S84 Instrument Setup Configuring the GPIB Interface Programming access to the Test Set is also available through the instrument s GPIB interface The GPIB connector is located on the rear panel of the instrument 1 Select the Agilent Control icon Agilent Connection Expert If a GPIB card is installed in your computer the GPIB interface was configured during installation of the IO libraries and is displayed in the Explorer Pane of the Welcome Screen Figure 11 Agilent Connection Expert CPIB address Secondary address E Check tor an instrument at this CPB address E Auto identify this instrument Adding Instruments to the GPIB Configuration 1 Select Add Instrument on the tool bar 2 Select GPIB Interface gt OK 3 Select U3040A s Address in the GPIB address drop down list gt OK Factory set address 12 default Changing the GPIB Address The U3040A GPIB address can only be changed programmatically The GPIB address command is SYSTem COMMunicate GPIB ADDRess lt address gt When the address is changed the new GPIB address is not updated in the Agilent Connection Expert if the instrument was
27. eset Port 2 Port 1 Port 4 Standby Switch Note that this switch is Standby only not a line switch The main power cord can be used as the system disconnecting device It disconnects the mains circuits from the mains supply LAN Reset The LAN reset button restores the instrument s default LAN configuration RF Input Output e 8 1x 4 Switches 6 Users and Service Guide U3040 90001 U3040A Option S84 Instrument State LEDs When the power is applied to the U3040A884 the instrument enters its power on sequence which requires several seconds to complete The LEDs provide information on the state of the instrument during power on and during upgrades of the instrument firmware Table 2 identifies the instrument states based on the color and functioning of the Front and Rear Panel Features LEDs Table 2 LED Definitions and Instrument States LED Color Instrument State ATTN Off Instrument in ready state LAN Green LAN connection established PWR Green instrument has an IP address Firmware download complete ATTN flashing Power on boot up ATTN and LAN will flash red LAN flashing and then green during the power on self test PWR Green ATTN Off No LAN connection due to LAN Red disconnected LAN cable PWR Green failure to acquire and IP address waiting for DHCP assigned address ATTN Green flashing Instrument Busy State LAN Green firmware download LAN LED red if download PWR Green over GPIB lengt
28. ess panel U3040 00004 3 Remove the old coaxial switch 87104 60043 and disconnect the ribbon cable 87050 6055 4 Re connect the ribbon cable and install the new coaxial switch 87104 60043 Note Port 1 of the dress panel aligns with Port 2 of the coaxial switch 5 Re install the dress panel and the four screws Torque to 9 in lb Figure 20 Replacing the Coaxial Switch User s and Service Guide U3040 90001 33 U3040A Option S84 Replaceable Parts Service Information The following table contains the list of replaceable parts for the U3040AS84 If any of these parts or assemblies are replaced you must run all performance tests to verify conformance to specifications NOTE Special options are built to order long lead times may be encountered when ordering replacement parts Table 5 Replaceable Parts coils with standard option Replacement Part Part Number Qty Cable assembly multi bias connect 87050 6055 8 Replacement for 40 GHz SP4T terminated 87104 60043 8 Option 161 024 4U RF Switch platform with integrated switch driver L4491A CFG004 1 includes 64 switch drive lines with Options STD 005 002 004 Extender Driver for 34945A 1 required for each 64 34945EXT CFGO001 1 PCA front panel 34989 66502 1 Assembly controller box for L4490A and L4491A L4490 60001 1 1 x 4 Switch dress panel U3040 20004 8 PCA UW Distribution card Y1153 66501 4 NOTE Before replacing an asse
29. etup will not cause those limits to be exceeded Mounting Kits The Test Set available options e U3040AC01 002 Connects the U3040AS84 to the U3024AH10 includes cables and locking feet for two U3040AS84 s U3040 60002 e U3040AS84 1CP Rack Mount Kit with Handles 5063 9222 e U3040AS84 1CM Rack Mount Kit without Handles 5063 9215 e U3040AS84 1CN Front Handle Kit 5063 9228 Power Requirements Verify that the required ac power is available at all necessary locations before installing the Test Set to the PNA e 100 120 220 240 V 50 60 Hz The instruments can operate with mains supply voltage fluctuations up to 10 of the nominal voltage Air conditioning equipment or other motor operated equipment should not be placed on the same ac line that powers the Test Set CAUTION This product has an autoranging line voltage input Be sure the supply voltage is within the specified range 4 User s and Service Guide U3040 90001 U3040A Option S84 General Performance Environmental Requirements Refer to the PNA X standard documentation for environmental requirements Environmental Tests The U3040AS84 complies with all applicable safety and regulatory requirements for the intended location of use Operating Environment Operating Ambient Temperature 0 to 55 C The instrument can safely operate in a relative humidity of 8096 for temperatures to 91 degrees C decreasing linearly to 5046 relative humidity at 40
30. he proper front and rear panel connections have been made turn on the Test Set using the front panel switch NOTE For accurate repeatable measurements be sure to let the Test Set warm up for at least two hours For the most stable and accurate measurements leave the Test Set turned on at all times Do not touch the power sensor for at least 30 minutes before making measurements User s and Service Guide U3040 90001 25 U3040A Option S84 Functional Tests Set up the network analyzer as follows Refer to the standard PNA X documentation or help menu for adapter removal calibration PNA X Setup 1 Press Preset 2 Select Start Frequency gt 10 MHz 3 4 5 Select Stop Frequency gt 26 5 GHz Number of Points 201 IF Bandwidth gt 1 kHz Perform a full 2 Port adapter removal calibration at the two test ports of the network analyzer Use a 3 5 mm female to female adaptor for the transmission calibration In this example we are using a 2 Port PNA X Figure 13 Selecting Cal Wizard 26 File Trace Chan Response Marker Analysis Stimulus Utility Help Channel 1 Measure Power Level 5 00 dBm E gm Measure Balanced Format Scale Display Avg Cal Y v 7v Scale Cal Wizard 12 00 22 00 32 00 42 00 52 00 gt Ch1 Start 10 0000 MHz I Stop 20 0000 GHz User s and Service Guide U3040 90001 U3040A Option S84 Functional Tests Figure 14 ECal Modu
31. hy instrument operation in progress ATTN Red flashing Instrument programming error or self test error LAN Green Error queue is read using SYSTem ERRor PWR Green ATTN Off Instrument identification Activated from LAN Green flashing instrument Web interface PWR Green ON Turn on Front Panel Interface Indicator OFF Turn off Front Panel Interface Indicator User s and Service Guide U3040 90001 U3040A Option S84 Front and Rear Panel Features Figure3 Rear Panel GPIB LAN Line Module GPIB Connector This connector allows the Test Set to be connected directly to a controller LAN The instrument is controlled over Local Area Network LAN Line Module The line module contains the power cord receptacle The line fuse as well as a spare reside within the line module Install the instrument so that the detachable power cord is readily identifiable and is easily reached by the operator The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and is easily reached by the operator may be used as a disconnecting device CAUTION Always use the three prong ac power cord supplied with this product Failure to ensure adequate grounding by not using thi
32. instrument to communicate with systems that are not on the local subnet Thus this is the Default Gateway where packets are sent which are destined for a device not on the local subnet as determined by the Subnet Mask setting Contact your network administrator to determine if a gateway is being used and for the correct address Syntax SYSTem COMMunicate LAN GATEway address SYSTem COMMunicate LAN GATEway Example The following command sets the Default Gateway address SYST COMM LAN GATEWAY 255 255 20 11 The following query returns the Default Gateway address currently being used by the instrument the quotes are also returned SYST COMM LAN GATEWAY Typical Response 255 255 20 11 Description This command assigns a Host Name to the U3040A The Host Name is the host portion of the domain name which is translated into an IP address Syntax SYSTem COMMunicate LAN HOSTname lt name gt SYSTem COMMunicate LAN HOSTname NOTE If you change the Domain Name you must cycle power on the U3040A to activate the new address Example The following command defines a Host Name SYST COMM LAN HOST LAB1 L4491A The following query returns the Host Name currently being used by the instrument the quotes are also returned SYST COMM LAN HOST Typical Response LAB1 L4491A 18 User s and Service Guide U3040 90001 U3040A Option S84 Instrument Setup GPIB Configuration Commends Description This command assigns a GPIB
33. le Calibration Wizard Begin Calibration C SmartCal GUIDED Calibration Use Mechanical Standards C UNGUIDED Calibration Response 1 port 2 port Use Mechanical Standards Select calibration preference Use Electronic Calibration ECal Gis te CODES Eines Assistance is available in the online Help Save this choice and don t show this page next time mo m _ Select Calibration Ports and ECal Module Cal Type Selection 2 Port ECal Configuration 4 Port ECal SelectistPort a Selected Cal Kit N4691 60004 3 Port ECal Select 2nd Port Bo x Serial No 02429 Characterization Factory View Select ECal Module JV Show Advanced Settings Orientation amp Thru Cal Section Calibrate source and receiver power e m Figure 15 Adapter Removal Cal Electronic Calibration Advanced Settings d Thru Cal Metho Adapter Re Cal Type Stds Add Thru Remove Thru v Do orientation auto sensing of port connections Back Cancel Help User s and Service Guide U3040 90001 27 U3040A Option S84 Functional Tests Figure 16 Connecting the Test Set to the Network Analyzer 28 User s and Service Guide U3040 90001 U3040A Option S84 Functional Tests Transmission 1 Connect the cable attached to PORT 1 of the network analyzer to Switch number 1 Switch IN on the Test Set 2 Connect the cable from PORT 2 of the network analyzer to
34. mbly or board inspect the assembly for obvious easily repaired defects such as bent pins on ICs or cold solder joints 34 Users and Service Guide U3040 90001 U3040A Option S84 Safety and Regulatory Information Safety and Regulatory Information Introduction Review this product and related documentation to familiarize yourself with safety markings and instructions before you operate the instrument The documentation contains information and warnings that must be followed by the user to ensure safe operation and to maintain the product in a safe condition Safety Earth Ground WARNING This is a Safety Class I product provided with a protective earthing ground incorporated in the power cord The mains plug shall be inserted only into a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside the product is likely to make the product dangerous Intentional interruption is prohibited CAUTION Always use the three prong AC power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage and the risk of electrical shock Declaration of Conformity A copy of the Declaration of Conformity is available upon request or a copy is available on the Agilent Technologies web site at http regulations corporate agilent com DoC search htm Statement of Compliance This instrument has been designed and test
35. nan nunana eruera 41 Service and Support Options 000065045 0v eerie diane dae cadee ea tase drew gear ie wars 41 Contacta Agilent cc140256 2280dd ed Ghd oh e DA LREADERLREAREABRRARESERARR ERE ERS 41 Shipping Your Product to Agilent for Service or Repair 0 00 eee eee eens 41 Contents 1 Contents Contents 2 U3040A Option S84 Users and Service Guide U3040 90001 U3040A Option S84 Introduction Introduction This document describes how to use and service the U3040AS84 Mechanical Switching Test Set The general use for this product is RF switching path applications Figurel U3040AS84 2 User s and Service Guide U3040 90001 U3040A Option S84 Description Description The Agilent U3040AS84 is a Mechanical Switching Test Set DC to 40 GHz based on the L4491A RF Switch Platform Eight individual 1x4 switches allow the user to select eight input ports allowing the user to increase the DUT output to a full 32 Port network analyzer solution The U3040AS84 can be used with the U3024AH10 and N5244A or N5245A For further information refer to the U3040ACO01 Product Note for connection setup using the U3024AH10 and the N5244A or N5245A The mechanical switches provide low insertion loss for the best dynamic range performance but have slower switching speed and limited life when compared to solid state switches The operational frequency range of the extension test set is DC to 40 GHz The N5244 45A PNA
36. on insertion loss return loss and isolation between all ports For the most accurate measurements the use of an Agilent PNA Network Analyzer is recommended and its use is assumed in these notes Familiarity with RF microwave measurements is also assumed The use of adapters may be required and their effects should be accounted within the measurements Equipment Required e N5242A or N5244A Network Analyzer or equivalent e 3 5 mm test cables E7342 60004 or equivalent x2 e N4691B Electronic Calibration Module 300 kHz to 26 5 GHz 3 5 mm 2 Port or equivalent Adapter 85027 60005 3 5 mm female to female or equivalent x2 There are no adjustments required for the Agilent U3040AS84 Test Set The U3040AS84 Test Set is designed to be placed near the network analyzer on a bench top The instrument should be placed so that the detachable power cord is readily identifiable and is easily reached by the operator The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and is easily reached by the operator may be used as a disconnecting device 1 Connect a GPIB cable from the controller to the rear panel of the network analyzer Refer to Figure 3 on page 8 2 After t
37. r line switch is in the STANDBY position This symbol is used to identify a terminal which is internally connected to the product frame or chassis The CE mark is a registered trademark of the European Community If accompanied by a year it is when the design was proven The CSA mark is a registered trademark of the CSA International This instrument complies with Canada CSA 22 2 No 61010 1 04 This is a symbol of an Industrial Scientific and Medical Group 1 Class A product CISPR 11 Clause 54 This is a marking to indicate product compliance with the Canadian Interference Causing Equipment Standard ICES 001 The instrument has been designed to meet the requirements of IP 2 0 for egress and operational environment This is a required mark signifying compliance with an EMC requirement The C Tick mark is a registered trademark of the Australian Spectrum Management Agency China RoHS regulations include requirements related to packaging and require compliance to China standard GB18455 2001 This symbol indicates compliance with the China RoHS regulations for paper fiberboard packaging User s and Service Guide U3040 90001 39 U3040A Option S84 Regulatory Information Battery Collection Do not throw batteries away but collect as small chemical waste or in accordance with your country s requirements You may return the battery to Agilent Technologies for disposal Refer to Contacting Agilent on page 41 for assistance
38. rnet contact your field engineer NOTE In any correspondence or telephone conversation refer to the Agilent product by its model number and full serial number With this information the Agilent representative can determine the warranty status of your unit Shipping Your Product to Agilent for Service or Repair IMPORTANT Agilent Technologies reserves the right to reformat or replace the internal hard disk drive in your analyzer as part of its repair This will erase all user information stored on the hard disk It is imperative therefore that you make a backup copy of your critical test data located on the analyzer s hard disk before shipping it to Agilent for repair If you wish to send your instrument to Agilent Technologies for service or repair Include a complete description of the service requested or of the failure and a description of any failed test and any error message e Remove and retain the front handles and all rack mount hardware The analyzer should be sent to Agilent in the same configuration as it was originally shipped e Ship the analyzer using the original or comparable antistatic packaging materials Contact Agilent for instructions on where to ship your analyzer User s and Service Guide U3040 90001 41 U3040A Option S84 Agilent Support Services and Assistance 42 User s and Service Guide U3040 90001
39. s cord may cause damage to the product WARNING This is a Safety Class I Product provided with a protective earthing ground incorporated in the power cord The mains plug shall be only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited 8 Users and Service Guide U3040 90001 U3040A Option S84 Specifications Specifications Specifications described in this document are provided from the 87104D Operation and Service manual 87104 90001 Refer to the 87104D documentation on agilent com for complete product performance and specifications Supplemental and typical characteristics are intended to provide typical information but not warranted performance parameters Maximum Power Rating Into internal termination e 1WCW e 50 W peak 10us max pulse width not to exceed 1 W average Into thru path Hot switching 2 W CW e 100W peak 10us max pulse width not to exceed 2 W average Reference Conditions Power Handling at 25 C is 100 W at 4 GHz Into internal termination Cold switching only no hot switching e Ambient temperature of 75 C or less e Sea level 0 88 derating at 15 000 ft Load VSWR 1 2 see graph for derating above 1 2 VSWR Figure4 Maximum Incident CW Power cold switching vs Frequency 1000 e
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