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HP (Hewlett-Packard) HP 11793A manual

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Table of contents for the manual

  • Page 1

    OPERATING AND SERVICE MANUAL HP 11793A M I C R 0 WAVE CONVERTER September 1990 1 1793-9001 1 111111111111111111111111111111111111111111111111111111111111ll111 HEWLETT PACKARD[...]

  • Page 2

    CERTl FlCATlON Hewlett-Packard Company certifies that this product met its published specifications ut 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 ca[...]

  • Page 3

    Agilent Technologies. Inc 24001 E Mission Liberty take, WA 99019 www agilent corn e. , .'::is:. . Ag i I en t Techno Io g i es : - : . Innovating the HP Way .*a*.. June 8,2000 Dear Customer, As of November 1, 1999, four of Hewlett-Packard's businesses, test and measurement, semiconductor products, health care solutions, and chemical analy[...]

  • Page 4

    HP 11793A MICROWAVE CONVERTER SERIAL NUMBERS Operating and Service Manual Part No. 11793-90011 Microfiche Operating and Service Manual Part No. 11793-90012 Printed. MAY 1985 This manual applies directly to instruments with serial numbers prefixed 2520A. With changes described in Paragraph 31, this manal also applies to instruments with serial numbe[...]

  • Page 5

    1 Regulatory Information (Updated March 1999) 1[...]

  • Page 6

    Regulatory Information (Updated March 1999) Safety Considerations GENERAL This product and related documentation must be reviewed for familiarization with safety markings and instructions before operation. This product has been designed and tested in accordance with IEC Publication 1010, "Safety Requirements for Electronic Measuring Apparatus,[...]

  • Page 7

    Regulatory Information (Updated March 1999) Safety Considerations for this Instrument WARNING This product is a Safety Class I instrument (provided with a protective earthing ground incorporated in the power cord). The mains plug shall only be inserted in a socket outlet provided with a protective earth contact. Any interruption of the protective c[...]

  • Page 8

    Regulatory information (Updated March 1999) To prevent electrical shock, disconnect instrument from mains (line) before cleaning. Use a dry cloth or one slightly dampened with water to clean the external case parts. Do not attempt to clean internally. Ventilation Requirements: When installing the product in a cabinet, the convection into and out of[...]

  • Page 9

    Model Safety Considerations SAFETY CONSIDERATIONS GENERAL This product and related documentation must be reviewed before operation for familiarization with safety markings and instructions. This product is a Safety Class I instrument (pro- vided with a protective earth terminal). BEFORE APPLYING POWER Verify that the product is set to match the ava[...]

  • Page 10

    Microwave Converter Model 11793A MODEL 11793A IF INPUT CABLE (HP Part Number 11 793-60006) FREQUENCY CONTROL CABLE (HP Part Number 8120-1838) -- LO INPUT CABLE (HP Part Number 11793-60009) LINE POWER CABLE Figure 1. HP Model II793A Microwave Converter with Accessory Cables 0[...]

  • Page 11

    Model 1 1793A Microwave Converter LO Amplitude Range +8 dBm to +13 dBm $7 dBm to +13 dBm 0 dBm to +5 dBm 1. GENERAL INFORMATION Frequency (GHz) Conditions 2 to 18 18 to 26.5 18 to 26.5 Without Option 001, 011 or 021 Without Option 001, 011 or 021 With Option 001, 011 or 021 This Operating and Service Manual contains information about initial inspec[...]

  • Page 12

    Microwave Converter Model 11793A 3. Safety Considerations This product is a Safety Class I instrument; that is, one provided with a prctective earth terminal. The Microwave Converter and all related documentation must be reviewed before operation for complete familiarization with safety markings and instructions. Refer to the Safety Considerations [...]

  • Page 13

    Model 11793A Microwave Converter 1 I Not installed Standard Option 010 Option 020 installed Option 001 Option 011 Option 021 6. Options and Accessories Electrical Options The options are summarized in Table 3. The following list describes each option: Option 001. Option 010. Adds an 18 to 26.5 GHz LO amplifier to the standard instrument. Moves the [...]

  • Page 14

    Microwave Converter Model 11793A Option 907 Front Handle Kit Option 908 Option 909 Rack Flange Kit Rack Flange and Front Handle Combination Kit Figure 2. Rack Mounting Options Accessories Supplied The accessories supplied with the Microwave Converter are shown in Figure 1. a. b. C. d. e. The line power cable may be supplied in several plug configur[...]

  • Page 15

    Model 11793A Microwave Converter Instrument Type Measuring Instrument Sensor Module 7. Recommended Test Equipment Minimum Specification Suggested Model Contains specific circuitry to control the HP 11793A. Must have a frequency range of 26.5 GHz and be compatible with the measuring instrument. HP 8901 B or HP 8902A' HP 11792A' Table 4 lis[...]

  • Page 16

    Microwave Converter Model 1 1793A 10. Power Requirements The Microwave Converter requires a power source of 115, 230 Vac (+lo%,-20%), 48 to 66 Hz. Power consumption is 20 VA maximum. 11. Line Voltage Selection Before the instrument is plugged in, it must De set to the voltage of the power source, or damage to the instrument may result. A line volta[...]

  • Page 17

    Model 1 179 3A I 8120-1351 8120-1703 Microwave Converter 0 4 Table 2-2. AC Power Cables Available 8120-1378 8120-1398 8120-1754 8120-1378 8120-1521 8120-1676 8120-2104 8120-0698 8120-1957 8120-2956 8120-4211 8120-1860 z!q Number 5 5 7 1 6 2 3 6 2 3 7 6 Cable Color For Use In Country Cable Length (inches) 90 90 Plug Description I 250V Straight'[...]

  • Page 18

    Microwave Converter Model 11793A 14. Operating Environment The operating environment should be within the following limitations: Temperature .......................... 0°C to +55"C Humidity .............................. ~95% relative at 40°C Altitude ............................... 44570 meters (1 5 000 feet) 15. Bench Operation The instrum[...]

  • Page 19

    Model 11 793A Microwave Converter c. Use enough shock-absorbing material; a 7.5 to 10.0 cm (3 to 4 in.) layer around all sides of the instrument to provide a firm cushion and to prevent movement in the container. Protect the front panel with cardboard. d. Seal the shipping container securely. e. Mark the shipping container FRAGILE to ensure careful[...]

  • Page 20

    Microwave Converter Model 11793A FREPUENCY OUTPUT OFFSET TTL 0 I ::::: D00000 0000 0 0 0000 00 0 0000 0 0 0 000000 00000 Q HP 6902A MEASURING RECEIVER SI II FREOUENCY I OFFSET MODE RF INPUT INPUT I OR 1 Figure 3. Microwave Convertor Interconnections and Typical Test Setup 21. Panel Features Front-panel features consist of the LO input, RF input, an[...]

  • Page 21

    Model 11793A Microwave Converter IF OUTPUT: The IF output, Type-N connector, couples the IF output signal into measuring in- strument RF input. LO INPUT: The LO input, 3.5 mm connector, couples an external oscillator signal source to the instrument. RF INPUT: The RF input, 3.5mm connector couples the microwave input signal into the instrument. The [...]

  • Page 22

    Microwave Converter Model 1 1793A 24. Performance Tests Description Performance testing consists of a general functional check to verify the instrument down-converts and switches RF paths properly. Since the Microwave Converter is designed to operate with specific HP instrumentation, no substitution is recommended. Equipment Measuring Instrument ..[...]

  • Page 23

    Model 11793A Frequency (MHz) 2 000 1 0 000 17 200 18 000 18 000 Microwave Converter level (dBm) Frequency (MHz) -1 5 2 000 -1 5 10 000 -1 5 17 200 -1 5 18 000 -15 18 000 Table 6. Performance Test Instrument Settings 25 900 25 900 LO Source -1 5 25 900 -15 25 900 Frequency (MHz) I Level (dBm) 2 063 10 063 17 263 18 063 18 063 +8 +8 +8 0' +8&apo[...]

  • Page 24

    Microwave Converter Model 1 1793A 28. Parts List Updating (Manual Changes Supplement) Production changes to the instrument made after the publication date of this manual are denoted by a change in the serial-number prefix. Changes to the parts list are recorded by serial prefix on a Manual Changes supplement. Also, errors in the manual are noted in[...]

  • Page 25

    Model 11793A Table 7. Replaceable Parts Replaceable Parts Reference Designation I A1 R1 RlCl R1C2 RlC3 RlC4 RlC5 A1C6 R1C7 R1C8 AlCRl RlCR2 RlCR3 RlCR4 R1CR5 RlCR6 A1CR7 RlCR8 RlCRO RlDSl RlJl R1Q1 R1Q2 R1Q3 RlQ4 RlQ5 RlRl R1R2 R1R3 R1R4 R1R5 RlR6 R1R7 R1R8 R1R9 RlRlO PlRll RlR12 R1R13 R1R14 RlR15 RlR16 FllR17 RlR18 RlUl RlU2 RlU3 RlVRl RlVR2 RlVR3[...]

  • Page 26

    Replaceable Parts Model 11793A Table 7. Replaceable Parts Reference Designation FIT 1 F1 FL1 J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 ZS2OA AND ABOVE MPI MPZ 24071 ONLY HP I MP 2 HP Part Number 11793-60003 2110-0063 2110-0566 2110-0565 2110-0569 2190-0068 9135-0229 1400-0025 0515-0381 0535-0006 2190-0586 3050-0893 08673-60040 2190-0016 2950-0043 11793-60008 [...]

  • Page 27

    Model 11793A Replaceable Parts Reference Designation 2401AOWLY MP3 MP4 MP 5 2520.4 AWD ABOVE MP6 MPl MPB 21071 OWLY MP6 MP1 MP8 MP9 MPlO 25201 AWD ABOVE WPll 24014 ONLY MPll MP12 NP13 NP14 MP15 MP16 MP17 MP19 NP20 MP21 MP22 MP2 3 NP24 MP25 s1 52 T1 HP Part Number 5020-8802 5001-043a 0515-0680 0590-1203 5040-7202 5 06 1- 943 5 5061-9452 11793-20001 [...]

  • Page 28

    Replaceable Parts Model 1 1793A Reference Designation u1 U2 u3 w1 w2 w3 w4 w5 W6 w7 W8 w9 w10 w11 w12 W13 W14 W15 W16 W17 W18 w19 w20 w21 w22 HP Part Number 0955-0218 0520-0130 0955-0237 0520-0133 2190-0045 2950-0132 0955-0217 0515-0680 2190-0584 3050-0891 11793-20002 11793-20003 11793-20004 11793-20101 11793-20103 11793-20102 11793-60013 11793-600[...]

  • Page 29

    Model 1 1793A Microwave Converter Mf r Manufacturer Name Code Table 8. Code List of Manufacturers Address ANY 6ATISFACTORY SUPPLIER TEXAS INSTR INC SEHICOND CBPNT DIU BOTOROLA SEBICONDUCTOR PRODUCTS Zip Code I PANDUIT CORP CORNING GLASS UKS COHPONENT DIU CORNING GLASS WORKS (BRADFORD) SPECIALTY CONNECTOR CO INC NbTIONnL SEBICONDUCTOR CORP HEULETT-P[...]

  • Page 30

    Microwave Converter Model 11793A M P8 MP7 MPlO 1 1 ,/ /MP9 MP12 NOTE: MP21 AND MP22 ARE HOLE PLUGS. Figure 6. Cabinet Parts 20[...]

  • Page 31

    Model 11793A Microwave Converter W1 (Standard) W19 (Option 010) u3 J1 W17 (Option 020) MP25 (Under MP18) MP18 MP25 W3 AT1 W2 MP25 J2 J3 Ill/// MP14 MPl5 (Gasket) w7 w12 A1 W13 MP20 T1 F1 52 w10 J10 W8 u2 MP13 MP16 f11 Figure 7. Illustrated Parts Breakdown for Standard and Option 010 21[...]

  • Page 32

    Microwave Converter Model 11 793A J1 (1 J4 (I J6 (I Dption 001 3ption 011 3ption 021 s1 MP14 MP15 (Gasket) A1 MP20- W13’ T1 F1’ only) W4 (Option 001 only) W6 u1 MP18 u3 W3 W2 J2 only) W14 (Option 011 only) I I / / / (Under / 52 / W8 / ,w11 eJ11 , w7 u2 MP13 f11 MP16 Figure 8. Illustrated Parts Breakdown for Options 001, and 0 I I 22[...]

  • Page 33

    Model 11793A Microwave Converter 30. Ordering Information To order a part listed in the replaceable parts table, include the Hewlett-Packard part number (with the check digit) and the quantity required. Address your order to the nearest Hewlett-Packard office. The check digit will ensure accurate and timely processing of your order. To order a part[...]

  • Page 34

    Microwave Converter Model 1 1793A Level at INPUT RF LO FREQ U1A U1B U3A U3B Path Amp OFFSET Pin 1 Pin 6 Pin 3 Pin 6 Direct out <2.0v H L H H Down-Convert In 2.0 to 3.w H H L L Down-Convert Out >3.av L H H L Service Sheets 1 and 2 (Input Signal Down-Converter) U3C Q2 Q3 Q4 Q5 Pin 8 L Off Off On On H On On Off Off L Off On Off On A single input[...]

  • Page 35

    Model 11793A 34. Troubleshooting Microwave Converter Primary AC power is present within instrument when line voltage power cord is connected to the instrument. Maintenance described herein is performed with power supplied to the instrument and with protective covers removed. Such maintenance should be performed only by service-trained personnel who[...]

  • Page 36

    Microwave Converter Model 1 1793A RF Devices (Service Sheets 1 and 2) Because of the diversity of test equipment and techniques available for troubleshooting the high-frequency devices, no specific procedures are given. Check the performance parameters of the RF devices against the following table, Table 10. Also check connectors and cables. Table [...]

  • Page 37

    Model 11793A Microwave Converter Equipment Refer to Table 4, Recommended Test Equipment. 35. Repair Cleanliness Do not handle the A1 Switch Control Assembly ,,oard more than necessary. If dirt or moisture from the hands comes in contact with the circuit side of the A1 board, the circuits may become inoperative. Do not use solder flux remover on the[...]

  • Page 38

    Microwave Converter Model 11793A 4. Insert the paper under one of the contacts, and while pressing gently on the contact, slide the paper through. Do not allow the alcohol to run inside the switch assembly. Do not allow the paper to shred. Do this several times and repeat for the other switch contact. 5. Saturate the edge of another sheet of paper [...]

  • Page 39

    Model 11793A Microwave Converter 6. Turn the instrument around so that the front of the instrument faces to the operator's left. Desolder the 6, 5, 4, and 0 (blue, green, yellow, and black) wires from the A1 assembly. 7. To remove T1 power transformer and its mounting bracket, unscrew the four screws located on MP20 (mounting bracket). Separat[...]

  • Page 40

    Microwave Converter Model 11793A 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 30 Place the RF Module upside down with the semi-rigid coax cables pointing to the left. Position the main deck over the module with the four holes in the deck aligning with the four screw holes in the module base. (The A1 assembly mounting stand-offs on MP13 (main deck) should[...]

  • Page 41

    Model 11793A Microwave Converter 13. Replace the side panels by centering each panel in the track formed by the side strut edges. Slide the panel from the rear forward until the captive screw on the rear edge of the panel is in contact with the rear frame. The screw should be in position to be tightened into the frame. The panel will move forward i[...]

  • Page 42

    Microwave Converter Model 11793A 12. 13. 14. Remove S2 from MP14 module base by removing the two corner screws. Unsolder the three control wires (1, 2, 5) from S2. Remove the Spira Shield (RF "EMI" gasket situated in the module base lip) only if damaged, or replacement of MP14 module base. 40. RF Module Disassembly Procedure for Option 00[...]

  • Page 43

    Model 11793A Microwave Converter 13. Disconnect W2 from S2, port #3, being careful not to bend, crimp, or kink the cable. 14. 15. Disconnect W3 from S2, port #2, being careful not to bend, Lrimp, or kink the cable. Disconnect AT1 from S2, port #l. 16. Remove switches S1 and S2 from MP14 module base by removing the two screws that secure each switch[...]

  • Page 44

    Microwave Converter Model 1 1 79 3A 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. Attach the mixer assembly to the module base, but do not tighten the screws. Tighten the connection to AT 1, then tighten the Mixer assembly screws. Connect W 1 (in Standard instruments), W 19 (in Option 01 0 instruments), or W 17 (in Option 020 instruments) to the[...]

  • Page 45

    Model 11793A Microwave Converter NOTE Mixer construction varies with manufacturer, and thus, is assembled within the RF Module differently. For example, a Norsa2 mixer has a stiffener bar placed between the mixer mounting bracket and the base mounting castings. An RHG mixer has a stiffener bar placed above the mixer mounting bracket. 10. 11. 12. 13[...]

  • Page 46

    MICROWAVE SIGNAL DOWN-CONVERSION L El INPUT I CONTROL ASSEMBLY I --1 -- -- r-- I I 1 I I I "_. 'I I I - - I I I UNREGULATED t12v t26V FULL WAVE RECTIFIER POWER TRANSFCRHER t12v REGULATOR 0 - t5v I I t5v REGULATOR -- -- BD 1 Figure 10. MICROWAVE CONVERTER Simplified Block Diagram 37/30[...]

  • Page 47

    (NOTE 11 i26V TO SWITCHES SIGNAL OIRECT PATH SIGNAL OOHN CONVERT PATH t12V TO AMPLIFIERS J9 !!!?'_? JiO w10 10 >- 5 '(7t 7 >i , A1 SWITCH CONTROL NC '( 9t NC NC 1 NOTES 1. ALL CIRCUITRY EXCEPT W12 IS ENCASE0 IN A R.F.I. SHIELDED MOOULE. 2. J9 AN0 JlO ARE PART OF Y12 AN0 Hi0 RESPECTIVELY. AN0 CANNOT BE OROEREO SEPARATELY. 3. J? [...]

  • Page 48

    (NOTE 11 INPUT SIGNAL DOWN CONVERTER t26 VOC TO SUITCHES I SIGNAL DIRECT PATH I SIGNAL DOWN CONVERT PATH 8 5>1 I c23 S2 RF INPUT SWITCH 0 1 CI (I LO AMP OUT PATH LO AMPLIFIER IN PATH GND 1- T NOTES 1. ALL CIRCUITRY EXCEPT W12 IS ENCASE0 IN A R.F.I. SHIELOING MODULE. 2 -9 bhO ,110 ARt PAHT CF "12 b1D 111 2ESPFC'IVt.l. Ah0 CbhhOT BE OROE[...]

  • Page 49

    C A T H 0 0 E 1 -- -- -- -- -- NOTES A1 SWITCH CONTROL ASSEMBLY (11793-60001) -- -- I-- 01 01 TOP BOTTOM VIEW VIEW IANOOEI VR3 VR3 TOP BOTTOM VIEY VIEW (j 3 (CASE1 VR4 TOP VIEW TO RF swci iES 2,3 ss3 ~~~ Figure 14. AI SWITCH CONTROL ASSEMBLY, Schematic Diagram 43/44[...]

  • Page 50

    REGIONAL SALES AND SERVICE OFFICES NORTH/CENTRAL AFRICA Hewlett-Packard S.A. 7, Rue du Bois-du-Lan CH-1217 MEYRIN 2, Switzerland Tel: (022) 83 12 12 Telex: 27835 hpse Cable: HEWPACKSA Geneve ASIA Hewlett-Packard Asia Ltd. 6th Floor, Sun Hung Kai Centre 30 Harbour Rd. G.P.O. Box 795 HONG KONG Tel: 5-832 3211 After Jan. 1, 1984 47th Floor, China Reso[...]