HP Stroller 11721A User's Manual
Contents
1. 190600098 917980029 917020029 947080029 917080029 9170 0029 9100 3922 14721 0004 11721 20005 08555 20094 8761 2027 08555 20093 5040020306 1319147 1250209185 13896 131513521 125051707 125091707 125090918 151 149 5090 0306 08555 20053 08751 2027 08555 20094 ORDER BY DESCRIPTION ORDER BY DESCRIPTION ORDER BY DESCRIPTION ORDER BY DESCRIPTION 1172120003 11721920003 11721200001 11721200001 11721900002 11721 00002 00346220031 7120 5720 Model 11721A Table 4 Code List of Manufacturers Address Manufacturer Name ANY SATISFACTORY SUPPLIER AMPHENOL SALES DIV OF BUNKER RAMO HEWLETT PACKARD CO CORPORATE HQ BROADVIEW IL PALO ALTO CA A1 ASSEMBLY Figure 3 Component Locations Al FREQUENCY DOUBLER BOARD ASSEMBLY 11721 68001 SOURCE fumum IPE DEN CE wasan MATCHING wi NOTE 1 E4 E5 EB NOTE2 gt BALANCED TUM Page 7 NOTES 1 ONLY THE GUTER SHIELD OF COAX WI IS USED FERRITE BEADS E4 E8 CREATE AN INDUCTIVE REACTANCE ENABLING THE IMPEDANCE TO GROUND AT THE JUNCTION OF CRI AND TO MATCH THE IMPEDANCE TO GROUND AT THE JUNCTION OF CR2 AND CRA LI PRESENTS AN IMPEDANCE 712000 120 MHz to 650 MHz AND 9000 650 MHz TO COUPLING mm LE m 1300 MHz Jt J2 4 IF ONE DIODE FAILS ALL FOUR NOTE 4 i W2 E 3 MUST BE REPLACED lt gt ro OUTPUT i FILT2. ER P u lt EET OUTPUT x lt J4 1 I lt lt lt L1 1 1 CR2 CRA NOTE 3 lt 1 1 I Reference designations within outline assem blies are abbreviated Full designation includes Assembly Number e g of Assembly A1 is ATRT Designations of other components are complete as shown r Figure 4 Schematic Diagram CERTIFICATION Hewlett Packard Company certifies that this product met its published specifications at the time of shipment from the factory Hewlett Packard further certifies that its calibration measurements are traceable to the United States National Bureau of Standards to the extent allowed by the Bureau s calibration facility and to the calibration facilities of other International Standards Organization members WARRANTY This Hewlett Packard instrument productis warranted against defects in material and workmanship for a period of one year from date of shipment During the warranty period Hewlett Packard Company will at its option either repair or replace products which prove to be defective For warranty service or repair this product must be returned to a service facility designated by HP Buyer shall prepay shipping charges to HP and HP shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to HP from another country HP warrants thatits software and fir
3. General information Installation Operation Performance Tests Replaceable Parts Service in HEWLETT PACKARD OPERATING AND SERVICE MANUAL 11721A Frequency Doubler SERIAL NUMBERS This manual applies directly to instruments with serial numbers prefixed 1950A An instrument manufactured after the printing of this manual may have a serial number prefix other than 1950A The manual for this newer instrument is accompanied by a yellow Manual Changes supplement This supplement contains change information that explains how to adapt the manual to the newer instrument In addition to change information the supplement may contain infor mation for correcting errors to the manual DU HEWLETT PACKARD HEWLETT PACKARD COMPANY 1980 1501 PAGE MILL ROAD PALO ALTO CALIFORNIA U S A MANUAL PART NO 11721 90002 Microfiche Part No 11721 90003 Printed APRIL 1980 Page2 GENERAL INFORMATION This Operating and Service Manual contains information required to operate test and service the Hewlett Packard Model 11721A Frequency Doubler The Doubler was designed as an acces sory for the HP Model 8662A Synthesized Signal Generator but may be used with other signal gen erators that have outputs in the same frequency range On the back cover of this manual below the man ual part number is a Microfiche part number This number may be used to order a 100 x 150 mm 4x6inch microfilm transpare
4. RETURN 1 CABLE COAX OUTPUT CHASSIS PARTS CONNECTOR TNPT NOT REPLACEABLE AS A UNIT INCLUDES JAMPI THRU JIMPB BODY eBULKHEAD INSULATOR CONTACT JACK INSULATOR CONTACTeRE CONN SER APC amp N MALE ELI CONNECTOReRE M UNMTD SOeOHM NOT SEPARATELY REPLACEABLE ALSO ORDER JiMP AND JiMPA 1 RINGeRE CONNECTOR SERIES Ni 75IN OD NOT BEPARATELY REPLACEABLE ALSO ORDER JiMP amp AND JIMPB 1 NUTwRF CONN SERIES APCeN AST NOT SEPARATELY REPLACEABLE ALSO ORDER JIMP AND JiMP7 2 CONNECTOReOUTPUT NOT REPLACEABLE AS A UNIT INCLUDES Javed THRU 1 CONNECTOR RK APCeN FEM UNMTD SOeQHM D CONTACTeRE CONN SER APCeN FEMALE INSULATOR CONTACT JACK INSULATOR BODYeBULKHEAD 4 SCREWAMACH 4 40 SeIN LO DEG SCREWeMACH de40 SeIN LO 82 DES SCREWeMACH e40 SeINeLG a2 DEG SCREN MACH 4 40 S INeLG 82 DEG COVER PLATE COVER PLATE ENO PLATE END PLATE GASKETeEND PLATE GASKETeEND PLATE HOUSING 1 LABELE IDENTIFICATION Mfr Code 28580 28480 28480 28480 28480 26480 28280 28480 28480 28480 28480 28480 28480 26480 02560 28480 02560 02550 28450 28480 28460 02659 28480 25480 28886 28980 00000 00000 00000 00000 28480 28480 28486 28480 28480 28480 28480 28480 See introduction to this section for ordering information Model 11721A Mfr Part Number 11721960001
5. d be stored in a clean dry environment The following environ mental limitations apply to both sotrage and shipment Temperature 55 C to 75 Humidity Up to 95 at 40 C Altitude Up to 15 300 metres 50 000 feet Model 11721A Original Packaging Containers and materials identical to those used in factory packaging are available through Hewlett Packard offices If the Doubler is being returned to Hewlett Packard for servicing attach a tag indicating the type of ser vice required return address model number and full serial number Also mark the container FRAGILE to ensure careful handling In any cor respondence refer to the Doubler by model number and full serial number Mating Connectors Mating connectors used with the Doubler should be 50 ohm Type N connectors OPERATION Environment The operating environment should be within the following limitations Temperature 0 to 55 Humidity o z a apus akay Sas 95 at 40 C Altitutde 4600 metres 15 000 feet Operating Instructions CAUTION Do not apply more than 426 dBm to the Doubler Also subjecting the Doubler to high reverse RF power will most likely cause damage Since the Doubler is a uni directional device the input signal should be applied only to the male Type N connector The insertion of a low pass filter between the Doubler and the signal source may be requir
6. e CA 90260 GEORGIA 450 Interstate N Parkway Atlanta GA 30348 ILLINOIS 5201 Tollview Dr Rolling Meadows IL 60008 NEW JERSEY W 120 Century Rd Paramus NJ 07652 AUSTRALIA Hewlett Packard Australia Ltd 31 41 Joseph Street Blackburn Victoria 3130 CANADA Hewlett Packard Canada Ltd 6877 Goreway Drive Mississauga Ontario Canada LAV 1M8 ITALY Hewlett Packard Italiana S p A Via G Di Vittorio 9 20063 Cernusco Sul Naviglio MI FRANCE Hewlett Packard France Quartier de Courtaboeuf Boite Postale No 6 F 91401 Orsay Cedex GERMAN FEDERAL REPUBLIC Hewlett Packard GmbH Vertriebszentrale Frankfurt Berneratrasse 117 Postfach 560 140 1 6000 Frankfurt 56 NETHERLANDS Hewlett Packard Benelux N V Van Heuven Doedhartlaan 121 667 NL Amstelveen 1134 UNITED KINGDOM Hewlett Packard Ltd King Street Lane GB Winnersh Wokingham Bers RG11 AFRICA ASIA CENTRAL AND SOUTH AMERICA Hewiett Packard Intercontinental 3200 Hillview Avenue Palo Alto CA 94304
7. ec dBm Model 11721A trical components have failed the Doubler can be disassembled After the defective part has been replaced the Doubler can then be reassembled Disassembly The Doubler can be disassembled at either end Steps 1 through 4 are performed on the end that is being disassembled 1 Loosen one of the RF connector bodies JIMP6 or J4MP1 with a 9 16 open end wrench Remove the connector by turning it counterclock wise 2 Removethe two screws from that same end 3 Remove the cover plate 5 or MP6 by turning it counterclockwise 4 Slide the gasket MP9 or MP10 and end plate MP7 or 8 off the body bulkhead JIMP3 or JAMP6 5 Remove the remaining two screws 6 Slide the housing MP11 off the circuit board Repair A pencil type soldering iron rated at 20 watts or less should be used when replacing components on the circuit board Assembly To assemble the Doubler reverse the disassembly procedures outlined above Ifthe connectors have been removed from the circuit board be sure to orient them as indicated in the Illustrated Parts Breakdown Figure 2 The male Type N connector at theinput side of the Doubler consists of three parts that are not separ ately replaceable J 1 7 and 8 When replac ing the connector itis necessary to order all three parts Once assembled the three parts cannot be disassembled To assemble slide ring JIMP7 into the groove on connector J
8. ed to obtain a signal with a harmonic level lower than 50 dB Figure 1 shows typical conversion loss versus input signallevel For best performance the Dou bler should be driven with an input signal level greater than 12 dBm Post doubler attenuation can be used between the Doubler and its load to improve the source match and to enable the operator to vary the signal level from the Doubler Page3 45 fin 640 MHz 40 35 fin 1000 MHz a 2 30 4 e e lt 25 gt fin 1279 MH2 ce 20 15 10 15 10 5 0 5 10 15 INPUT SIGNAL LEVEL dBm Figure 1 Conversion Loss versus Input Signal Level PERFORMANCE TESTS The specifications in Table 1 can be verified using the signal generator and specturm analyzer listed in Table 2 Substitute test equipment can be used if Table 2 Recommended Test Equipment Critical Specifications Suggested Instrument Model su HP 8555A 8552B 141T Frequency Range 50 MHz to 5 2 GHz Band Flatness 1 25 dB Amplitude Display Linearity 1 5 dB Spectrum Analyzer HP 8640B Opt 002 Frequency Range 50 to 1280 MHz Signal Generator with Low Pass Filter for second harmonic Amplitude Level or HP 8662 with HP 360A B 13 dBm 2nd Harmonic lt 50 dBe The HP 8662A is HP IB compatible Page4 its specifications meet or exceed those listed in the table To check the Doubler s performance s
9. etthesignal generator to any frequency f 2 between 50 and 1280 MHz at 13 dBm signal level Set the spec trum analyzer s reference level to 13 dBm and the frequency controls to scan from the generator s output signal to its third harmonic 34 2 Con nect the output of the generator to the input of the analyzer and record the displayed level of gener ator s output 2 12 9 Putalow pass filter atthe output ofthe generator Then connect the Doubler between the low pass filter and the analyzer Record the displayed level of the Doubler s output f f dBm To compute conversion loss subtract the level of signalffrom thelevel of 2 The difference should be less than 15 dB Conversion Loss 15 dB To check spurious signals referenced to the Dou bler s output frequency compare the levels of 1 2 and 3f 2 on the display of the spectrum analyzer to the level f both 2 and 3 2 should be greater than 15 dB below f 2 15 dB 3 2 15 dB ADJUSTMENTS The Doubler requires no mechanical or electrical adjustments REPLACEABLE PARTS To order any of the parts listed in Table 3 quote the Hewlett Packard part number description and check digit Indicate the quantity required and address the order to the nearest Hewlett Packard office SERVICE If the Doubler s connectors have been damaged or have become worn orifthe Doubler does not meet its specifications because one or more of its el
10. iMP6 Then slip nut J1MP8 over the ring and connector pair of longnose pliers may be necessary to compress the ring after itis onthe connector to allow the nut to fit over it Model 11721A Page 5 Figure 2 Illustrated Parts Breakdown Page6 Reference Designation A MERI ALCRS ALERG ALES Ate ALES ALEN ALGO Atwa JiMP2 JiMPS Jipa JiMPb JIP J3 Ja J MPi J MPq Jamey J MP amp HPI Mp2 MPS wea MPS 7 MPS 9 MP40 MPIJI 12 HP Part Number 11721560001 190680098 917040029 917000029 917040029 917000089 9170 0029 910043922 11721420004 11721420008 08555 20094 0871 2027 08555 20093 050 0308 125000917 125920916 125009018 25900918 1250 1707 125021707 1250 0914 1250946915 5040 0306 08535520093 0876192027 08555 20094 8200 0169 2200 0169 11721220003 t1721 20003 11721200001 11721 00001 11721 00002 11721200002 00346220031 712068720 o OM FH oo Table 3 Replaceable Parts Description 1 FREGUENCY DOUBLER ASSEMBLY 1 DIODE MATCHED 1V INCLUDES CR2 CR3 amp PART OF CRI PART OF CRI PART OF CRI 6 CORE BSHIELDING BEAD CORE SHTELOING BEAD COREMSHIELDING BEAD CORE GHIELOINO BEAD CORE SHIELOING BEAD 1 COILeFIXEO 1201300 HZ 1 CABLEeCOAX
11. mware designated by HP for use with an instrument will executeits programming instructions when properly installed on that instrument HP does not warrant that the operation of the instrument or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED HP SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HP SHALL BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY ASSISTANCE Product maintenance agreements and other customer assistance agreements are available for Hewlett Packard products HEWLETT PACKARD SERVICE OFFICES To obtain servicing information contact the nearest Hewlett Packard Sales and Service Office in HP Catalog or contact the nearest regional office listed below UNITED STATES NO CALIFORNIA San Francisco Area 333 Logue Ave Mt View CA 94043 SO CALIFORNIA Los Angeles Area 5400 West Rosecrans Blvd Lawndal
12. ncy of the manual Specifications The Doubler s specifications are listed in Table 1 These specifications are the performance stand ards or limits against which the Doubler may be tested Table 1 Specifications Input Frequency Range 50 1300 MHz Qutput Frequency Range 100 2600 MHz Conversion Loss 15 dB at 13 dBm input Spurious Referenced to Desired Output Frequency f 13 dBm input with harmonics lt 50 dBe 50 to 1280 MHz i 15 3f 2 input SWR 1 5 typical Input Output Impedance 50 ohms nominal 15 dB Operating Temperature Range 0 to 55 C Connectors Input Type N male Output Type N female Dimensions 161 mm long x 30 mm wide x 20 5 mm high 6 3 8 x 1 3 16 x 18 16 inches Weight 355 grams 11 8 oz L Description The Doubler utilizes a balanced full wave rectifier to double 50 to 1300 MHz input signals The full wave rectifier generates a high amplitude second harmonic of the input while suppressing the fun damental signal at the output Model 11721A Conversion loss and spurious signals in the Doubler s output are dependent upon the charac teristics of the input signal To fully realize the Doubler s specifications the signal generator used with the Doubler must have specifications as good as or better than the following a a harmonic level of x 50 dBc b a drive level of 13 dBm 1 dB The Doubler s output level is not a linear function of its in
13. put level Changes in RF amplitude that constitute amplitude modulation at the Doubler input are not exactly reproduced at the output As a result amplitude modulation is generally de graded except at very low depths less than 20 may result in less than 3 AM distortion Fre quency modulation while not distorted will be changed by the Doubler in that the peak deviation of the output signal will be double that of the input signal Refer to HP application Note 283 2 for a more complete description of Doubler performance when used with the HP Model 8662A INSTALLATION Initial Inspection Inspect the shipping container for damage If the shipping containeror cushioning materialis dam aged it should be kept until the contents of the shipment have been checked for completeness and the Doubler has been checked mechanically and electrically The contents of the shipment should be as shown on the front cover of this manual Procedures for checking electrical performance are given under PERFORMANCE TESTS If the contents are incomplete if there is mechanical damage or defect or if the Doubler does not pass the electrical performance test notify the nearest Hewlett Packard office If the shipping container is damaged or the cushioning material shows signs of stress notify the carrier as well as the Hewlett Packard office Keep the shipping mate rials for the carrier s inspection Storage and Shipment Environment The Doubler shoul
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