Agilent Technologies
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1. 3 5 0 0 1 0 2 0 3 0 4 0 5 0 6 0 Input Tone Seperation Frequency MHz Figure 8 Filter responses for the E9322A and E9326A power sensors High Medium Low and Off Error dB 0 5 0 0 4 0 5 1 0 1 5 2 0 2 5 r i MED 3 0 4 M M M OFF HIGH 3 5 0 0 1 0 2 0 3 0 4 0 5 0 6 0 Input Tone Seperation Frequency MHz Figure 9 Filter responses for the E9323A and E9327A power sensors High Medium Low and Off E Series E9320 Operating and Service Guide 29 Specifications Calibration Factor CF and Reflection Coefficient Rho Calibration Factor and Reflection Coefficient data are provided at frequency intervals on a data sheet included with the power sensor This data is unique to each sensor If you have more than one sensor match the serial number on the data sheet with the serial number of the sensor you are using The CF corrects for the frequency response of the sensor The EPM P Series power meter automatically reads the CF data stored in the sensor and uses it to make corrections For power levels greater than 0 dBm add to the calibration factor uncertainty specification 0 1 per dB for E9321A and E9325A power sensors 0 15 per dB for E9322A and E9326A power sensors 0 2 per dB for E9323A and E9327A power sensors Reflection coefficient Rho relates to the SWR acc2. Agilent Technologies Errata Agilent E Series E9320 Peak and Average Power Sensors Operating and Service Guide Information provided in this supplement is to update the Operating and Service Guide for E Series E9320 Peak and Average Power Sensors Updates Accessories Shipped with the Instrument The following items are shipped with every purchase of E Series E9320 power sensors Certificate of Calibration E Series E9320 Product Reference CD Verify that any options ordered are included with the shipment by checking the packing list included with the shipment Agilent Technologies Inc 2003 2012 December 14 2012 E Series E9320 Peak and Average Power Sensors Operating and Service Guide 5i Agilent Technologies General Information contained in this document is subject to change without notice Agilent Technologies makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishings performance or use of this material No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Agilent Technologies Copyright 2003 2012 Agilent Technologies Agilent Technologies Inc 5301 Stevens Creek Blv
3. UNITED STATES CANADA CHINA EUROPE JAPAN KOREA LATIN AMERICA TAIWAN OTHER ASIA PACIFIC COUNTRIES tel 800 829 4444 fax 800 829 4433 tel 877 894 4414 fax 800 746 4866 tel 800 810 0189 fax 800 820 2816 tel 31 20 547 2111 tel 81 426 56 7832 fax 81 426 56 7840 tel 080 769 0800 fax 080 769 0900 tel 305 269 7500 tel 0800 047 866 fax 0800 286 331 tel 65 6375 8100 fax 65 6755 0042 E Series E9320 Operating and Service Guide
4. E Series E9320 Operating and Service Guide Specifications Specifications Frequency Bandwidth and Power Range Table 1 Frequency Bandwidth and Power Range Power Range Maximum Video Frequency Average Normal Sensor Bandwidth Range only Mode Mode E9321A 300 kHz 50 MHz 65 dBm 50 dBm to to to 6 GHz 20 dBm 20 dBm E9325A 300 kHz 50 MHz 65 dBm 50 dBm to to to 18 GHz 20 dBm 20 dBm E9322A 1 5 MHz 50 MHz 60 dBm 45 dBm to to to 6 GHz 20 dBm 20 dBm E9326A 1 5 MHz 50 MHz 60 dBm 45 dBm to to to 18 GHz 20 dBm 20 dBm E9323A 5 MHz 50 MHz 60 dBm 40 dBm to to to 6 GHz 20 dBm 20 dBm E9327A 5 MHz 50 MHz 60 dBm 40 dBm to to to 18 GHz 20 dBm 20 dBm For average power measurements Free Run acquisition mode E Series E9320 Operating and Service Guide 17 Specifications Maximum Power RF Connector Table 2 Maximum Power RF Connector Sensor E9321A E9322A E9323A E9325A E9326A E9327A RF Maximum Maximum Peak Connector Average Power Power N Type m 23 dBm average 30 dBm lt 10us duration 18 E Series E9320 Operating and Service Guide Specifications Measurement Ranges The E series E9320 power sensors have two measurement ranges Lower and Upper as shown in Table 3 Table 4 and Table 5 Table 3 Lower and Upper Measurement Ranges E9321A and E9325A Normal Average only mode mode Lower Range Min Power 50 dBm 6
5. A1 A2 E9325A E9325 60002 SENSOR MODULE A1 A2 E9325A E9325 69002 RESTORED SENSOR MODULE A1 A2 E9326A E9326 60002 SENSOR MODULE A1 A2 E9326A E9326 69002 RESTORED SENSOR MODULE A1 A2 E9327A E9327 60002 SENSOR MODULE A1 A2 E9327A E9327 69002 RESTORED SENSOR MODULE E Series E9320 Operating and Service Guide 49 General Information Table 22 Replaceable Parts List Reference Part Designation Number Qty Description MP1 and 2 9321 40001 2 SHELL PLASTIC and MP4 9321 20002 2 CHASSIS 8 and 9 9321 00001 2 SHIELD MP26 E9321 80001 1 LABEL ID E9321A MP26 E9322 80001 1 LABEL ID E9322A MP26 E9323 80001 1 LABEL ID E9323A MP26 E9325 80001 1 LABEL ID E9325A MP26 E9326 80001 1 LABEL ID E9326A MP26 E9327 80001 1 LABEL ID E9327A MP27 E9321 80002 2 LABEL POWER SENSOR MP30 E9321 80003 1 LABEL CAL ESD NOTE The A1 A2 parts are applicable only for Agilent Service Center as calibration is required 50 E Series E9320 Operating and Service Guide Service Service Service instructions consist of principles of operation troubleshooting and repairs Principles of Operation The Power Sensor bulkhead assembly converts input RF to a low frequency voltage signal representing the RF power envelope The input is AC coupled to a 3dB attenuator followed by a 50 ohm load resistor Two diodes are connect
6. CalB required On completion the power meter and sensor are ready to connect to the device under test DUT BEFORE CONNECTING THE POWER SENSOR TO OTHER INSTRUMENTS ensure that all instruments are connected to the protective earth ground Any interruption of the protective earth grounding will cause a potential shock hazard that could result in personal injury The measurement connector for connection to DUT is Type N male A torque wrench should be used to tighten these connectors Use a 3 4 inch open end wrench and torque to 12 in Ib 135 Nem for the Type N connector Recommended Calibration Interval Agilent Technologies recommends a one year calibration cycle for the E series E9320 peak and average power sensors 12 E Series E9320 Operating and Service Guide The E Series E9320 Power Sensors in Detail The E Series E9320 Power Sensors in Detail The E series E9320 power sensors have two frequency ranges The E9325A E9326A and E9327A have a frequency range of 50 MHz to 18 GHz while the 50 MHz to 6 GHz range of the E9321A E9322A and E9323A covers most wireless communication applications The sensors have two independent measurement paths as shown in Figure 1 Average Only Path RFIN S0ohm Load Filter TUL 300 kHz 1 5 MHz Chopper 5 MHz low pass Switched Gain Preamp Average Only Path UL CW Differential Sensor Diode
7. I AMP cnoP cLocK Bulkhead i CHOP GAIN Selectable Gain Normal Differential Amplifier Normal Path 300 kHz 1 5 MHz 5 MHz Path I PEAK ei C GANSELECT Thermistor Bias EC Bulle SERIAL BUS gt Gain Mode Control Sensor ID c E PROM Bandwidth is sensor dependent Figure 1 Simplified Sensor Block Diagram Use the default normal path for continuously sampled measurements of modulated signals and time gated measurements For each frequency range there is a choice of sensors with three video modulation bandwidths E Series E9320 Operating and Service Guide 13 The E Series E9320 Power Sensors in Detail 9 2 and E9325A sensors with 300 kHz bandwidth are suitable for measuring TDMA signals such as GSM 9322 and E9326A sensors with 1 5 MHz bandwidth are suitable for measuring IS 95 CDMA signals E9323A and E9327A sensors with 5 MHz bandwidth are suitable for measuring W CDMA signals Note however that the sensors with widest bandwidth have the smallest dynamic range in normal mode If dynamic range is an important factor use the sensor model with just enough video bandwidth for the measurement you want to make The average only path is suitable for average power measurements of Continuous Wave CW and constant amplitude signals between 65 dBm sensor dependent and 20 dBm The average only path can also be used to measure true average power of any complex modulated signa
8. Maximum SWR lt 0 dBm 50 MHz to 2 GHz 1 12 E9321A 2 GHz to 10 GHz 1 16 E9325A 10 GHz to 16 GHz 1 23 16 GHz to 18 GHz 1 28 50 MHz to 2 GHz 112 E9322A 2 GHz to 12 GHz 1 18 E9326A 12 GHz to 16 GHz 1 21 16 GHz to 18 GHz 1 27 50 MHz to 2 GHz 1 14 E9323A 2 GHz to 16 GHz 1 22 E9327A 16 GHz to 18 GHz 1 26 1 300 7 1 250 RESET 1 200 m 20 1 150 ray A 1 100 10 1 050 1 000 Freq 0 02GHz 0 05GHz 0 3GHz 0 5GHz 1GHz 6GHz 9GHz 12GHz 14GHz 15GHz 16GHz 17GHz 18GHz Figure 2 Typicl SWR 50 MHz to 18 GHz for the E9321A and E9325A sensors at various power levels E Series E9320 Operating and Service Guide Specifications 1 300 SWR 1 250 30 1 200 a 20 1 150 4 10 0 1 100 ES 1 050 20 x 1 000 Ea UE TE R I N N N N N N N N N N N N N m ej I I I I I x p ej a XI ZI 1 56 0 00 6 6 G Freq N ive e T N N o 6 r r o o Figure 3 Typical SWR 50 MHz to 18 GHz for the E9322A and E9326A sensors at various power levels 1 300 R 1 250 1 200 1 150 1 100 1 050 1 000 Freq 0 02GHz 0 05GHz 0 3GHz 0 5GHz 1GHz 6GHz 9GHz 12GHz 14GHz 15GHz 16GHz 17GHz 18GHz Figure 4 Typical SWR 50 MHz to 18 GHz for the E9323A and E9327A sensors at various power levels E Series E9320 Operating and
9. cloth dipped in isopropyl alcohol E Series E9320 Operating and Service Guide General Information Performance Test Standing Wave Ratio SWR and Reflection Coefficient Rho Performance Test This section does not establish preset SWR test procedures since there are several test methods and different equipment available for testing the SWR or reflection coefficient Therefore the actual accuracy of the test equipment must be accounted for when measuring against instrument specifications to determine a pass or fail condition The test system used must not exceed the system Rho uncertainties shown in Table 19 when testing the E9325A E9326A and E9327A Use Table 20 when testing the E9321A E9322A and E9323A Table 19 Reflection Coefficient for the 9321 and E9325A System Rho Measured Maximum Frequency Uncertainty value Rho 50 MHz to 2 GHz 0 010 0 057 2 GHz to 10 GHz 0 010 0 074 10 GHz to 16 GHz 0 010 0 103 16 GHz to 18 GHz 0 010 0 123 E Series E9320 Operating and Service Guide 45 General Information Table 20 Reflection Coefficient for the 9322 and E9326A System Rho Measured Maximum Frequency Uncertainty value Rho 50 MHz to 2 GHz 0 010 0 057 2 GHz to 10 GHz 0 010 0 083 10 GHz to 16GHz 0 010 0 095 16 GHz to 18GHz 0 010 0 119 Table 21 Reflection Coefficient for the E9323A and E9327A System Rho Measured Maximum Frequency Uncertainty value Rho 50 MHz to 2 GHz 0 010 0 0
10. 320 Operating and Service Guide 1 What You ll Find In This Chapter Introduction This Chapter introduces you to the E series E9320 power sensors It contains the following sections General Information on page 10 Initial Inspection on page 10 Power Meter and Sensor Cable Requirements on page 11 Interconnections on page 11 The E Series E9320 Power Sensors in Detail on page 13 General Information General Information Welcome to the E series E9320 power sensors Operating and Service Guide This guide contains information about the initial inspection connection and specifications of the E series E9320 power sensors You can also find a copy of this guide on the CD ROM supplied with the EPM P series peak and average power meters To make best use of your sensor refer to the chapter Using E Series E9320 Sensors in the EPM P Series Power Meters Operating and Service Guide Initial Inspection Inspect the shipping container for damage If the shipping container or packaging material is damaged it should be kept until the contents of the shipment have been checked mechanically and electrically If there is mechanical damage notify the nearest Agilent office Keep the damaged shipping materials if any for inspection by the carrier and an Agilent representative If required you can find a list of Agilent Sales and Service offices on page 56 10 E Series E9320 Operating and Service Guide General Informa
11. 5 dBm Lower Range Max Power Lower to Upper Auto Range 0 5dBm 175dBm Point Upper to Lower Auto Range 05 dBm 185dBm Point Upper Range Min Power 35 dBm 50 dBm Upper Range Max Power 20 dBm 20 dBm Applies to CW and constant amplitude signals only above 20 dBm E Series E9320 Operating and Service Guide 19 Specifications Table 4 Lower and Upper Measurement Ranges E9322A and E9326A Normal Average only mode mode Lower Range Min Power 45 dBm 60 dBm Lower Range Max Power Lower to Upper Auto Range 5 dBm 13 5 dBm Point Upper to Lower Auto Range 15 dBm 145 dBm Point Upper Range Min Power 35 dBm 45 dBm Upper Range Max Power 20 dBm 20 dBm Applies to CW and constant amplitude signals only above 20 dBm E Series E9320 Operating and Service Guide Specifications Table 5 Lower and Upper Measurement Ranges E9323A and E9327A Normal Average only mode mode Lower Range Min Power 40 dBm 60 dBm Lower Range Max Power 5 dBm 10 5 dBm Lower to Upper Auto Range Point Upper to Lower Auto Range 15 dBm 11 5 dBm Point Upper Range Min Power 30 dBm 35 dBm Upper Range Max Power 20 dBm 20 dBm Applies to CW and constant amplitude signals only above 20 dBm E Series E9320 Operating and Service Guide 21 Specifications Power Sensor Maximum SWR Table 6 Power Sensor Maximum SWR Sensor
12. 65 2 GHz to 16GHz 0 010 0 099 16 GHz to 18GHz 0 010 0 115 46 E Series E9320 Operating and Service Guide General Information NOTE Replaceable Parts Table 22 is a list of replaceable parts Figure 10 is the illustrated parts breakdown IPB that identifies all of the replaceable parts To order a part quote the Agilent part number specify the quantity required and address the order to the nearest Agilent office Within the USA it is better to order directly from the Agilent Parts Center in Roseville California Ask your nearest Agilent office for information and forms for the Direct Mail Order System Also your nearest Agilent office can supply toll free telephone numbers for ordering parts and supplies E Series E9320 Operating and Service Guide 47 26 27 MPS MP31 5 o 9 1 MPS Figure 10 Illustrated Parts Break down 48 E Series E9320 Operating and Service Guide General Information Table 22 Replaceable Parts List Reference Designation A1 A2 E9321A Part Number E9321 60011 Qty Description SENSOR MODULE A1 A2 E9321A E9321 69011 RESTORED SENSOR MODULE A1 A2 E9322A E9322 60004 SENSOR MODULE A1 A2 E9322A E9322 69004 RESTORED SENSOR MODULE A1 A2 E9323A E9323 60002 SENSOR MODULE A1 A2 E9323A E9323 69002 RESTORED SENSOR MODULE
13. Service Guide 23 Specifications Sensor Linearity Table 7 Power Sensor Linearity Normal Mode upper and lower range Temperature Temperature Sensor 25 10 0 to 55 C RA 4 2 5 0 E 4 2 5 0 A 42 5 5 Table 8 Power Sensor Linearity Average Only Mode upper and lower range Temperature Temperature Sensor 25 10 C 0 to 55 C If the temperature changes after calibration and the meter and sensor are NOT recalibrated the following additional linearity errors should be added to the Power Linearity figures in Table 7 and Table 8 24 E Series E9320 Operating and Service Guide Specifications Table 9 Additional Linearity Error normal and average only modes Temperature Temperature Sensor 25 10 0 to 55 C Average Only 4 Normal lower range gt lt Normal upper range SD PK ON AN gt 4 dBm Figure 5 Typical Power Linearity at 25 C for E9323A and E9327A 5 MHz bandwidth sensors after zero and calibration with associated measurement uncertainty E Series E9320 Operating and Service Guide 25 Specifications Power Range Measurement Uncertainty 30 to 20 dBm 0 9 20 to 10 dBm 0 8 10 to 0 dBm 0 65 0 to 10 dBm 0 55 10 to 20 dBm 0 45 20 dBm 4 0 2 0 0 dBm 2 0 4 0 65 dBm60 dBm 0 dBm 20 dBm Figu
14. al Specifications Table 18 Physical Specifications Physical Characteristics Net Weight 0 2 kg 0 45 Ib Shipping Weight 0 55 kg 1 2 Ib Length 150 mm 5 9 in Width 38 mm 1 5 in Height 30 mm 1 2 in Dimensions E Series E9320 Operating and Service Guide 41 42 E Series E9320 Operating and Service Guide 3 Service What You ll Find This Chapter introduces you to the E series E9320 power In This Chapter sensors It contains the following sections General Information on page 44 Service on page 51 Sales and Service Offices on page 56 General Information General Information This chapter contains information about general maintenance performance tests troubleshooting and repair of E series E9320 power sensors Cleaning Use a clean damp cloth to clean the body of the E series E9320 power sensor Connector Cleaning The RF connector beads deteriorate when contacted by hydrocarbon compounds such as acetone trichloroethylene carbon tetrachloride and benzene Clean the connector only at a static free workstation Electrostatic discharge to the center pin of the connector will render the power sensor inoperative Keeping in mind its flammable nature a solution of pure isopropyl or ethyl alcohol can be used to clean the connector Clean the connector face using a cotton swab dipped in isopropyl alcohol If the swab is too big use a round wooden toothpick wrapped in a lint free cotton
15. are carried out every 1 us of gate length E Series E9320 Operating and Service Guide Specifications Settling Times Average Only Mode In normal and x2 speed mode manual filter 10 dB decreasing power step refer to Table 15 Table 15 Averages vs Settling Time Average only mode Number of Settling Time s Averages Normal Speed Mode X 2 Speed Mode 1 0 08 0 07 2 0 13 0 09 4 0 24 0 15 8 0 45 ED 16 1 1 0 45 32 1 9 1 1 64 3 5 1 9 128 6 7 zm 256 7 5 512 27 j 1024 57 7 In Fast mode within the range 50 to 20 dBm for a 10 dB decreasing power step the settling time is E4416A 10 ms E4417A 20 ms When a power step crosses the power sensor s auto range switch point add 25 ms E Series E9320 Operating and Service Guide 37 Specifications Normal Mode In Normal free run acquisition mode within the range 20 to 20 dBm for a 10 dB decreasing power step the settling time is dominated by the measurement update rate and is listed in Table 16 for various filter settings Table 16 Settling Time vs Averages Settling Time Free Run Acquisition Mode Number of Averages Normal Speed X 2 Speed 0lsee se 2 0 15 sec 0 1 sec 4 0 25 sec 0 15 sec 8 0 45 sec 0 25 sec 16 0 9 sec 0 45 sec 32 1 7 sec 0 9 sec 64 3 3 sec 1 7 sec 128 6 5 sec 3 3 sec 256 13 0 sec 6 5 sec 512 25 8 sec 13 0 sec 1024 51 5 sec 25 8 sec 38 E Series E9320 Op
16. cations Zero Drift and Measurement Noise Table 12 Zero Drift and Measurement Noise Zero Drift Measurement Noise Average Normal Average only Normal Normal only Sensor Mode Mode Mode Mode Mode E9321A E9325A t5 nW lt 60 pW 6 nW 75nW 165 pW E9322A E9326A lt 5NW lt t100pW 12nW 180nW 330pW E9323A tozza E40nW lt 100pW lt 25nW 550nW 400 pW Within 1 hour after zero set at a constant temperature after a 24 hour warm up of the power meter Measured over a one minute interval at a constant temperature two standard deviations with averaging set to 1 normal mode 16 for average only mode normal speed and 32 average only mode x2 speed 3 n Free run acquisition mode 4 Noise per sample Video bandwidth set to OFF with no averaging i e averaging set to 1 see Effect of Video Bandwidth Settings and Table 14 E Series E9320 Operating and Service Guide 33 Specifications Effect of Averaging on Noise Averaging over 1 to 1024 readings is available for reducing noise Table 12 provides the Measurement Noise for a particular sensor Use the Noise Multipliers in Table 13 for the appropriate speed normal or x2 or measurement mode normal and average only and the number of averages to determine the total Measurement Noise value In addition for x2 speed in normal mode the total Measurement Noise should be multiplied by 1 2 and for fast sp
17. d Santa Clara CA 95052 USA Manual Part No E9321 90001 Printed in Malaysia December 14 2012 Legal Information Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology to the extent allowed by the Institute s calibration facility and to the calibration facilities of other International Standards Organization members 2 E Series E9320 Operating and Service Guide Safety Symbols Safety Notices WARNING CAUTION Safety Symbols The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument 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 supplied documentation This guide uses warnings and cautions to denote hazards A warning calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in injury or loss of life Do not proceed beyond a warning until the indicated conditions are fully understood and met A caution calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in damage to
18. ed to the load resistor forming a pair of half wave detectors with opposite polarity and complementary voltage output The detected signal passes through a low pass load filter The cutoff frequency of the filter is 300 kHz 1 5 MHz or 5 MHz depending on the model bandwidth specification of the sensor The detected signal can now follow one of two paths The average only signal path is optimized for high sensitivity and low drift at the expense of detector video bandwidth This path chops the signal to a carrier frequency around 440Hz to remove sensitivity to DC offsets then amplifies the AC signal Amplification and chopping parameters are much the same as in previous Agilent diode sensors with typical dynamic power range of 65 to 20 dBm The chopper is a switch that connects the two balanced signals to the two inputs of a differential amplifier Thus the small DC signal from the detector is converted to an AC signal The output of the differential amplifier is connected to a switched gain preamplifier E Series E9320 Operating and Service Guide 51 RF IN 50ohm gt gt b Service The dynamic range of the sensor is greater than 80dB in this mode so the sensor has two power ranges On the high power range the signal is attenuated before further amplification The bandwidth of the chopped signal is limited to less than half the chop rate So this method cannot be used for wide 5 MHz bandwidth measurements The n
19. eed in normal mode the multiplier is 3 4 Note that in fast speed no additional averaging is implemented 34 E Series E9320 Operating and Service Guide Specifications Table 13 Noise Multipliers Average only Normal Number of Normal X2 Normal Speed Averages Speed Speed Free run acquisition 2 3 89 4 6 0 94 4 2 75 3 25 0 88 8 1 94 2 3 0 82 16 1 0 1 63 0 76 32 0 85 1 0 0 70 64 0 61 0 72 0 64 128 0 49 0 57 0 58 256 0 34 0 41 0 52 512 0 24 0 29 0 46 1024 0 17 0 2 0 40 Example E9321A power sensor Number of Averages 4 Free Run acquisition normal mode x2 speed Measurement Noise calculation lt 6 nW x 0 88 x 1 2 lt 6 34 nW E Series E9320 Operating and Service Guide Specifications Effect of Video Bandwidth Setting The noise per sample is reduced by applying the meter video bandwidth reduction filter setting High Medium or Low If averaging is implemented this will dominate any effect of changing the video bandwidth Table 14 Effect of Video Bandwidth on Noise per Sample Noise Multipliers Sensor Low Medium High RR 0 32 0 5 0 63 0 50 0 63 0 80 Pe 0 40 0 63 1 0 Example E9322A power sensor triggered acquisition high video bandwidth Noise per sample calculation 180nW x 0 80 144 nW Effect of Time Gating on Measurement Noise The measurement noise will depend on the time gate length over which measurements are made Effectively 20 averages
20. erating and Service Guide Specifications In normal mode measuring in continuous or single acquisition mode the performance of rise times fall times and 99 settled results are shown in Table 17 Rise and fall time specifications are for a 0 0 dBm pulse with the rise time and fall time measured between 10 to 90 points and upper range selected Table 17 Rise and Fall Times vs Sensor Bandwidth Sensor E9321A E9325A E9322A E9326A E9323A E9327A Video Bandwidth Setting Parameter Low Medium High Off Rise time lt us 26 1 5 0 9 0 3 Fall time lt us 27 1 5 0 9 0 5 Settling time wy 51 45 06 rising lt us Settling time falling lt us 5 1 5 1 4 5 0 9 Rise time lt 5 1 5 0 9 0 4 0 2 Fall time lt us 1 5 0 9 0 4 0 3 Setting 45 35 05 rising lt us Settling time falling lt us 5 3 4 5 35 0 9 Rise time lt 5 0 9 0 4 0 2 0 2 Fall time lt us 0 9 0 4 0 2 0 2 35 15 04 rising lt us Settling time 45 35 2 04 falling lt us Rise and fall time specifications are only valid when used with the E9288A sensor cable 1 5 metres E Series E9320 Operating and Service Guide 39 Overshoot in response to power steps with fast rise times i e less than the sensor rise time is less than 10 When a power step crosses the power sensor s auto range switch point add 70 us 40 E Series E9320 Operating and Service Guide Specifications Physic
21. es on the power meter s large LCD screen The three dimensional Calibration data is stored in an EEPROM on the sensor PCA This data is unique to each sensor and consists of frequency vs input power vs temperature Upon power up or when the sensor cable is connected these calibration factors are downloaded into the EPM P E4416A 17A series power meters This means that the operator is not required to enter any calibration information when changing sensors simply entering the frequency of the input signal is all that is required E Series E9320 Operating and Service Guide 53 Service Troubleshooting Troubleshooting information is intended to first isolate the power sensor cable or power meter as the defective component When the power sensor is isolated an appropriate Sensor Module must be used for repair See Table 22 on page 49 If error message 241 or 310 is displayed on the power meter suspect a power sensor failure Error 241 will occur if the sensor is missing An E9288 cable must be used to connect an E series 9320A sensor to an EPM P Series power meter If no error message is displayed but a problem occurs when making a measurement try replacing the cable from the power meter to the power sensor If the problem still exists try using a different power sensor to determine if the problem is in the power meter or in the power sensor Electrostatic discharge will render the power sensor inoperative Do not under an
22. l below 20 dBm Calibration factors linearity temperature and bandwidth compensation data are stored in the sensor EEPROM during the manufacturing process All the compensation data is downloaded to the EPM P series power meter at power on or when the sensor is connected You only need to enter the frequency of the RF signal you are measuring to achieve a high degree of accuracy E Series E9320 Operating and Service Guide 2 Specifications and Characteristics What You ll Find This Chapter describes the specifications and In This Chapter characteristics of the E series E9320 power sensors It contains the following sections Introduction on page 16 Specifications on page 17 Introduction Introduction E series E9320 power sensors are designed for use with the Agilent EPM series power meters The E series E9320 power sensors have two measurement paths Normal path default mode for peak average and time related measurements Average only path is designed primarily for average power measurements on low level signals These specifications are valid ONLY after zero and calibration of the power meter and sensor Supplemental characteristics which are shown in italics are intended to provide information useful in applying the power sensors by giving typical but nonwarranted performance parameters These characteristics are shown in italics or denoted as typical nominal or approximate 16
23. or the destruction of part or all ofthe equipment Do not proceed beyond a caution until the indicated conditions are fully understood and met E Series E9320 Operating and Service Guide WARNING General Safety Information General Safety Information The following general safety precautions must be observed during all phases of operation service and repair of this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the instrument Agilent Technologies assumes no liability for the customer s failure to comply with these requirements BEFORE CONNECTING THE POWER SENSOR TO OTHER INSTRUMENTS ensure that all instruments are connected to the protective earth ground Any interruption of the protective earth grounding will cause a potential shock hazard that could result in personal injury Sound Emission Herstellerbescheinigung Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenlarminformationsverordnung vom 18 Januar 1991 Sound Pressure LpA 70 dB Am Arbeitsplatz Normaler Betrieb Nach DIN 45635 T 19 Typprufung E Series E9320 Operating and Service Guide General Safety Information Manufacturers Declaration This statement is provided to comply with the requirements of the German Sound DIN 45635 T 19 Typprufung Sound Pressure LpA lt 70 dB At o
24. ording to the formula SWR 1 Rho 1 Rho Typical CF data are listed in Table 10 The uncertainty analysis for the calibration of the sensors was calculated in accordance with the ISO Guide The uncertainty data reported on the calibration certificate is the expanded uncertainty with a 9596 confidence level and a coverage factor of 2 30 E Series E9320 Operating and Service Guide Specifications Table 10 Cal Factor Uncertainty at 0 1 mW 10dBm Uncertainty Uncertainty Frequency 25 10 C 0 to 55 C 50 MHz Reference Reference 100 MHz 1 8 2 0 300 MHz 1 8 2 0 500 MHz 1 8 2 0 800 MHz 1 8 2 0 1 0 GHz 2 1 2 3 1 2 GHz 2 1 2 3 1 5 GHz 2 1 2 3 2 0 GHz 2 1 i23 3 0 GHz 2 1 2 3 4 0 GHz 21 2 3 5 0 GHz 2 1 2 3 6 0 GHz 2 1 2 3 7 0 GHz 2 3 25 8 0 GHz 2 3 25 9 0 GHz 2 3 2 5 11 0 GHz 2 3 2 5 12 0 GHz 2 3 2 5 13 0 GHz 2 3 2 5 14 0 GHz 25 2 8 15 0 GHz 25 2 8 16 0 GHz 25 2 8 17 0 GHz 25 2 8 18 0 GHz 25 2 8 E Series E9320 Operating and Service Guide Zero Set Specifications This specification applies to a ZERO performed when the sensor input is not connected to the POWER REFERENCE Table 11 Zero Set Zero Set Zero Set Sensor Normal mode Average only Mode BA 5 nW 0 17 nW Sm 19 nW 0 5 nW e 60 nW 0 6 nW 32 E Series E9320 Operating and Service Guide Specifi
25. ormal path is used to detect the instantaneous power of an RF signal and is optimized for a bandwidth of up to 5MHz The peak path trade off includes reduced dynamic range and increased temperature sensitivity Average Only Path Load Filter 300 kHz 1 5 MHz 5 MHz low pass Switched Gain Preamp gt Average Only Path Sensor Diode Bulkhead CW Differential AMP A CHOP CLOCK A 4 Normal Path Selectable Gain Differential Amplifier 300 kHz 1 5 MHz 5 MHz PEAK AUTO ZER e yy Bandwidth is sensor dependent Thermistor Bias PC Buffer Gain Mode Control Sensor ID E PROM Figure 11 Simplified Sensor Block Diagram GAIN SELECT SERIAL BUS CHOP GAIN Normal Path gt lt The output of the load filter is connected to a gain selectable amplifier with a bandwidth corresponding to the sensor model bandwidth spec The differential configuration minimizes sensitivity to ground noise dc offset and drift In normal mode the amplifier provides maximum bandwidths of 300 kHz 1 5 MHz or 5 MHz allowing the user to match the test signal s modulation bandwidth to the sophisticated instrument data processing This permits the meter to 52 E Series E9320 Operating and Service Guide Service measure burst average and peak power to compute peak to average ratios and display other time gated power profil
26. perator position Normal operation According to ISO 7779 Type Test E Series E9320 Operating and Service Guide 5 E Series E9320 Operating and Service Guide Contents Contents Safety SymbolS wo O Z A AO etd EA 3 General Safety Information 4 Sound EMISSION resepna eee 4 2 iste e est eee eee erit 7 rit Ota C LEOTE sociae GA oo SR 9 General Information 10 10 Power Meter and Sensor Cable Requirements 11 Interconnections e ee ue ea oe aaa aaa aaa aaa aaa nenne 11 Calibration eese eee ede 11 The E Series E9320 Power Sensors in Detail 13 Specifications and Dhialactef ISO Suo eiit i qu Utque ade 15 lntrodu ction ea neret Teteres 16 Specifications rere e RE rera 17 DEVICE elu c 43 General Information 2 44 Cleanings a ctt state eM der 44 Performance Test 45 Replaceable Parts 47 SENICE ns 451 Principles of Operation ROI Troubleshooting cessere 54 Repair of Defective Sensor 54 Disassembly Procedure Reassembly Procedure Addendum ie dese eene denen seta nee deb E Series E9320 Operating and Service Guide 7 E Series E9
27. re 6 Relative Mode Power Measurement Linearity with an EPM P series power meter at 25 C typical 26 E Series E9320 Operating and Service Guide Specifications Figure 6 shows the typical uncertainty in making a relative power measurement using the same power meter channel and the same power sensor to obtain the reference and measured values It also assumes that negligible change in frequency and mismatch error occurs when transitioning from the power level used as the reference to the power level measured E Series E9320 Operating and Service Guide 27 Specifications Peak Flatness The peak flatness is the flatness of a Peak to Average ratio measurement for various tone separations for an equal magnitude two tone RF input Figure 7 Figure 8 and Figure 9 refer to the relative error in Peak to Average measurement as the tone separation is varied The measurements were performed at 10 dBm average power using an E9288A sensor cable Error dB 0 5 0 0 0 5 4 HIGH LOW MED OFF 0 0 1 0 2 0 3 0 4 0 5 0 6 0 Input Tone Seperation Frequency MHz Figure 7 E9321A and E9325A Error in Peak to Average Measurements for a Two tone Input High Medium Low and Off Filters 28 E Series E9320 Operating and Service Guide Specifications Error dB 0 5 0 HIGH LOW MED
28. tion Power Meter and Sensor Cable Requirements The E series E9320 power sensors are compatible ONLY with the EPM P series power meters and with E9288 sensor cables The E9288 cables are color coded to help distinguish them from the 11730 series cables Interconnections Connect one end of an E9288 sensor cable to the E series E9320 power sensor and connect the other end of the cable to the power meter s channel input Allow a few seconds for the power meter to download the data contained in the power sensor Ensure power sensors and cables are attached and removed in an indoor environment Calibration To carry out a zero and calibration cycle as requested by the power meter proceed as follows Ensure the E series E9320 power sensor is disconnected from any signal source On the power meter press ep Zero or ZeroA Zero B During zeroing the wait symbol is displayed When the wait period is complete connect the E series E9320 power sensor to the power meters POWER REF output Press Cal Cal Cal A CalB The wait symbol is again displayed during calibration TIP You can reduce the steps required to carry out the zero and calibration procedure as follows E Series E9320 Operating and Service Guide 11 WARNING CAUTION General Information Connect the power sensor to the POWER REF output Press 200 and Zero Cal For dual channel meters press Zero Cal Zero CalA or Zero
29. y circumstances open the power sensor unless you and the power sensor are ina Static free environment Repair of Defective Sensor There are no serviceable parts inside the E series E9320 power sensors If the sensor is defective replace the entire module with the appropriate Restored Sensor Module listed in Table 22 on page 49 E Series E9320 Operating and Service Guide Service Disassembly Procedure Disassemble the power sensor by performing the following steps Disassemble the power sensor only in a static free workstation Electrostatic discharge renders the power sensor inoperative Figure 12 Removing Power Sensor Shell At the rear of the power sensor insert the blade ofa screwdriver between the plastic shells See Figure 12 To prevent damage to the plastic shells use a screwdriver blade as wide as the slot between the two shells Pry alternately at both sides of the connector J1 until the plastic shells are apart Remove the shells and the magnetic shields Reassembly Procedure Replace the magnetic shields and the plastic shells Snap the plastic shells together E Series E9320 Operating and Service Guide 55 Service Sales and Service Offices In any correspondence or telephone conversations refer to the power sensor by its model number and full serial number With this information the Agilent representative can quickly determine whether your unit is still within its warranty period
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