HP-11848A_svc_11848_90004_3rd_ed 电路图.pdf

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1、Errata Title =GF %-; r .; B,.t ; # . , . ,j - *$. . . a 2 O 1,- C P .,. connect the anode to ground. Connect the cathode to the line connecting R207 and pin 15 of U208. 3138Aand Above On the A3 Schematic: Change the board number to 11848-60203. rev.01AUG92 A3a 96.1 Model 11848A Service Reserved for

2、future changes. reu.01AUG92 Model 11848A Service All serial prefixes On the A3 schematic: R36 - Change the value of R36 to 261K ohms. R41.R42, R51.R52 - Under 1 kHz LOW-PASS FILTER change R41 26.1K to R51 2.61K and change R42 4.22K to R52 422K. R41.R42, R56, R57 - Under 10 kHz LOW-PASS FILTER change

3、 R41 26.1K to R56 2.61K and change R42 4.22K to R57 422K. C34, R61 - Under AC/DC ADAPTIVE COUPLER locate U15 pin 13 and add R61 251K in series with the +5V supply. Add C34 15 uF between U15 pin 13andR61. R76, R82 - Under 10 Hz HIGH-PASS FILTER connect R76 to R79. Under 100 Hz HIGH-PASS FILTER connec

4、t R82 to R85. 3138Aand Above On the A3 Schematic: Change the board number to 11848-60203. rev.01AUG92 Service Model 11848A Reserved for future changes. A3b 98.2 rev.0lAUG92 Service Model 11848A CHANGES 2717A and Above On the A3 Schematic: A3R110, R113 - Change the value of RllO to 2.5k. Change the v

5、alue of R113 to 2.61k. 3138Aand Above On the A3 Schematic: Change the board number to 11848-60203. rev.0lAUG92 A3c 100.1 Model 11848A Service Reserved for future changes A3c 100.2 reu.0lAUG92 Model 11848 A Service CHANGES All serial prefixes On the A4 schematic: C14 - In OVERLOAD DETECTOR, change th

6、e value of C14 to 18pF. 2830A and above On the schematic: L15 - In the upper right hand corner of the A4b schematic change the value ofL15tol00UH. R35 - In the upper right hand corner of the A4b schematic change the value ofR35to2.15Kohm. Errata On the A4 Schematic: C230 - Under PROGRAMMABLE AMPLIFI

7、ERS, near TP201, change the value of C230 to 6800pF. R201 - Under PROGRAMMABLE AMPLIFIERS, near TP201, change the valueofR201to287Q. rev.01AUG92 A4b 104.1 Service Model 11848 A Reserved for future changes. A4b 104.2 rev.01AUG92 HP 11848A PHASE NOISE INTERFACE (Including Option 301) Service Manual SE

8、RIAL NUMBERS This manual applies directly to instruments with serial numbers prefixed: 2621A and all MAJOR changes that apply to your instrument rev.lOJAN91 For additional important information about serial numbers, refer to INSTRUMENTS COVERED BY THIS MANUAL in Section 1. Third Edition This materia

9、l may be reproduced by or for the U.S. Government pursuant to the Copyright License under the clause at DFARS 52.227-7013 (APR 1988) Copyright HEWLETT-PACKARD COMPANY 1987 EAST 24001 MISSION AVENUE, TAF C-34, SPOKANE, WASHINGTON, U.S.A. 99220 Service Manual HP Part 11848-90004 Microfiche Service Man

10、ual HP Part 11848-90011 Printed in U.S.A. : MAY 1990 fnm HEWLETT EM PACKARD Model 11848A Option 301 General Information ACCESSORIES SUPPLIED The accessories supplied are pieces of equipment that are shipped with every Interface. The accessories are shown in Figure 1. Line Power Cable. The line power

11、 cable may be supplied in several plug configurations, depending on the destination of the original shipment. Refer to Power Cables in the Installation section of this Service manual. Fuses. Fuses with a 0.75A rating for 115 Vac (HP part number 2110-0063) and a 0.5A rating for 230 Vac (HP part numbe

12、r 2110-0012) are supplied. One fuse is factory installed according to the voltage available in the country of original destination. Refer to Power Requirements in the Installation of this Service manual. HP 3048A Option 301 Software and Manual Set. The HP 3048A software and associated manuals are sh

13、ipped with the Interface. HP 3048A Software (HP part number 03048-10015). HP 11848A Service Manual (HP part number 11848-90004). HP 3048A Option 301 Installation Guide (HP part number 03048-90043). HP 3048A Option 301 Operating Manual (HP part number 03048-90042). HP 3048A Option 301 System Calibrat

14、ion Manual (HP part number 03048-90041). HP 3048A Option 301 Reference Manual (HP part number 03048-90040). 50Q Termination. This 50O load is used to terminate the Interfaces Spectrum Analyzer output if no RF spectrum analyzer is available (HP part number 1250-0207). Adapters, Type-N to BNC. Three a

15、dapters are provided for system operation (HP part number 1250-0780). Cable Assemblies: BNC. Two 30 cm (12 in.) cables are provided for system operation (HP part number 8120-1838). Noise Floor Test Fixture. This test fixture is used to run performance tests (HP part number 11848-61032). Cable Assemb

16、ly: BNC to SMB. This cable assembly can be used during troubleshooting (HP part number 08954-60105). rev.WJANQl General Information Model 11848A Option 301 RECOMMENDED TEST EQUIPMENT Table 1 lists the test equipment and accessories recommended for use in testing, adjusting, and servicing the Interfa

17、ce. If any of the recommended equipment is unavailable, instruments with equivalent minimum specifications may be substituted. Tests for the Interface are performed during the HP 3048A Performance Tests which are available in the HP 3048A Option 301 System Calibration Manual in Performance Tests. Ta

18、ble 1. Recommended Test Equipment Instrument Type Dynamic Signal Analyzer Counter (550 MHz) Function Generator Oscilloscope Power Meter and Sensor Model Number HP 3561A HP 5383A, HP 5386A HP 3312A, HP 3325A HP 1740 A HP435BorHP436Awith HP8481AorHP8482A Use* A.C.P.T* P P.T T T * A = Adjustments, C =

19、Functional Checks, P = Performance Tests, T = Troubleshooting The HP 3561A is included with the HP 3048A system. OPTIONS AVAILABLE Options are variations on the standard instrument which can be ordered during the purchase. Electrical Options Option 201: Add High Frequency Phase Detector. This option

20、 adds a 1.2 to 18 GHz phase detector to the Interface. This phase detector extends the range of carrier frequencies that can be demodulated within the Interface without external down conversion by the System. All of the HP 3048A specifications from 1.6 to 18 GHz carrier frequency are valid with this

21、 option. Mechanical Options Option 907: Front-Handle Kit. Front handles are provided when Option 907 is ordered. After shipment, you can order a Front-Handle Kit as HP part number 5061-9689. Option 908: Rack-Flange Kit. Rack flanges are provided for the HP 11848A Phase Noise Interface when Option 90

22、8 is ordered. After shipment, you can order a Rack-Flange Kit as HP part number 5061-9677. Option 909: Rack-Flange and Front-Handle Combination Kit. This is not a Front-Handle Kit and a Rack-Flange Kit packaged together; it is a unique part that combines both functions. Combination kits are provided

23、 for the HP 11848A Phase Noise Interface when Option 909 is ordered. After shipment, you can order a Rack-Flange and Front-Handle Combination Kit as HP part number 5061-9683. 22.6 Model 11848 A Replaceable Parts Reference Designation A3J1-11 A 3 J 1 2A A3J13 A 3 J H A3J15 A3J16 A3J201 A3J202 A3J203

24、A3J204 A3L1 A3L2-200 A3L201 A3L202 A3L203 A3L204 A3L205 A3L206 A3L207 A3L208 A3L209 A3L210 A3L211 A3L212 A3L213 A3L214 A3L215 A3L216 A3L217 A3L218 A3L219 A3L220 A 3 M P 1 a A3MP2 A3MP3 A3Q1 A302 A3Q3 A3Q4 A3Q5-200 A3Q201 A3R1 A3R2 A3R3 A3R4 A3R5 A3R6 A3R7 A3R8 A3R9 A3R10 A3R11-14 A3R15 A3R16 A3R17 A

25、3R18 HP Part Number 1260-1255 1250-1255 1250-1255 1205-0095 1251-4670 1251-7264 1251-3825 1251-8472 9100-1661 9100-3560 9100-3560 9100-3560 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0137 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210

26、9140-0137 1251-1998 1390-0457 1390-0458 1855-0410 1855-0410 1855-0410 1855-0276 0757-0280 0698-3157 0698-3157 0698-3157 0698-3157 0698-3157 0698-3460 0698-3454 0757-0444 0698-3157 0698-3157 0698-3450 c D 1 1 1 0 2 6 7 0 4 6 6 6 1 9 0 0 0 0 6 3 3 3 3 3 3 1 3 1 3 3 9 Qty 14 14 14 1 1 2 25 5 8 3 1 12 2

27、0 8 3 4 4 Table 5. Replaceable Parts Description CONNECTOR-RF SMB M PC 50 OHM NOT ASSIGNED CONNECTOR-RF SMB M PC 50 OHM CONNECTOR-RF SMB M PC 50 OHM HEAT SINK SGL TO-5/TO-39-CS NOT ASSIGNED CONNECTOR 3-PIN M POST TYPE CONN-POST TYPE .100-PIN-SPCG 34-CONT NOT ASSIGNED CONNECTOR 5-PIN M POST TYPE CONN

28、-POST TYPE .100-PIN-SPCG 26-CONT INDUCTOR RF-CH-MLD 2.2MH 5% NOT ASSIGNED INDUCTOR RF-CH-MLD 5.6UH 5% INDUCTOR RF-CH-MLD 5.6UH 5% INDUCTOR RF-CH-MLD 5.6UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5 INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% IND

29、UCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 1MH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH 5% INDUCTOR RF-CH-MLD 100UH

30、5% INDUCTOR RF-CH-MLD 1 MH 5% CONNECTOR-SGL CONT SKT .025-IN-BSC-S2 FASTENER-SNAP-IN PLGR 0.076 IN - .165 IN FASTENER-SNAP-IN GROM 0.076 IN - .165 IN NOT ASSIGNED TRANSISTOR J-FET N-CHAN D-MODE TO-18 SI TRANSISTOR J-FET N-CHAN D-MODE TO-18 SI TRANSISTOR J-FET N-CHAN D-MODE TO-18 SI NOT ASSIGNED TRAN

31、SISTOR J-FET 2N4416A N-CHAN D-MODE RESISTOR 1K 1% .125W FTC = 0 + -100 NOT ASSIGNED NOT ASSIGNED RESISTOR 19.6K 1% ,125WFTC = 0 + -100 RESISTOR 19.6K 1% .125W FTC0+-100 RESISTOR 19.6K 1% .125W F T C 0 + -100 RESISTOR 19.6K 1% .125W F TC = 0 + -100 RESISTOR 19.6K 1% .126W F TC =0 +-100 RESISTOR 422K

32、1 % . 125W F TC = 0 + -100 RESISTOR 215K 1% .125W FTC = 0 + -100 NOT ASSIGNED RESISTOR 12.1K 1% .125W FTC = 0 + -100 RESISTOR 19.6K 1% .125W F TC = 0 +-100 RESISTOR 19.6K 1% .125W FTC.0 + -100 RESISTOR 42.2K 1% .125W FTC = 0 + -100 Mfr. Code 28480 28480 28480 30161 28480 28480 28480 28480 28480 2848

33、0 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 28480 04713 24546 24546 24546 24546 24546 24546 28480 24546 24546 24546 24546 24546 Mfr. Part Num 1250-1255 1250-1255 1250-1255 1205-0095 1251-4670 1251-7

34、264 1251-3825 1251-8472 9100-1661 9100-3560 9100-3560 9100-3560 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0137 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0210 9140-0137 1251-1998 1390-0457 1390-0458 1855-0410 1855-0410 1B55-0410 2N4416

35、A CT4-1/8-T0-1001-F CT4-1/8-T0-1962-F CT4-1/8-T0-1962-F CT4-1/8-T0-1962-F CT4-1/8-T0-1962-F CT4-1/8-T0-1962-F 0698-3460 CT4-1/8-T0-2153-F CT4-1/8-TO-1212-F CT4-1/8-T0-1962-F CT4-1/8-T0-1962-F CT4-1/B-T0I222-F fRtrftM- to Table 7 for update inform fit inn. .A Errata part change rev.09OCT90 33 Replace

36、able Parts Table 5. Replaceable Parts Model 11848A Reference Designation A3R19 A3R20 A3R21 A3R22 A3R23 A3R24 A3R25 A3R26 A3R27 A3R28 A3R29 A3R30 A3R31 A3R32 A3R33 A3R34 A3R35 A3R36 A3R37 A3R38 A3R39 A3R40 A3R41 A3R42 A3R43 A3R44 A3R45 A3R46 A3R47 A3R48 A3R49 A3R50 A3R51 A3R52 A3R53 A3R54 A3R55 A3R56

37、 A3R57 A3R58 A3R59 A3R60 A3R61 A3R62 A3R63 A3R64 A3R65 A3R66 A3R67 A3R68 HP Part Number 0757-0438 0698-0084 0698-8827 0757-0280 0698-3223 0757-0420 0698t421 0698-4421 0698-4421 0757-0422 0757-0422 0757-0417 0757-0400 0698-0084 0698-0084 0698-3460 0698-3460 0698-3455 0698-3450 0757-0438 0757-0438 069

38、8-3450 0698-3159 0698-3154 0757-0438 0757-0438 0698-3154 0698-0085 0698-3447 0757-0438 0757-0438 0698-3154 0698-0085 0698-3447 0757-0438 0757-0438 0698-3154 0698-0085 0698-3447 0757-0438 0757-0438 06981421 0698-3454 0698-0084 0698-8827 0698-3460 0698-3154 0767-O438 0757-0438 2100-0558 c D 3 9 4 3 4

39、3 6 6 6 5 5 8 9 9 9 1 1 4 9 3 3 9 5 0 3 3 0 0 4 3 3 0 0 4 3 3 0 0 4 3 3 6 3 9 4 1 0 3 3 9 Orv u i y 29 8 12 3 4 11 2 1 1 1 1 10 3 5 6 Description RESISTOR 5.11K 1% .125W FTC-0 + -100 RESISTOR 2.15K 1% .125W F T C 0 + -100 RESISTOR 1M 1% .125W FTC=0 + -100 RESISTOR 1K 1%.125W FTC=0 + -100 RESISTOR 1.

40、24K 1 tf . 125W F TC - 0 + -100 RESISTOR 750 1% .12SW F TC-0 + -100 RESISTOR 249 1% .125W F TC = 0 + -100 RESISTOR 249 1 % . 125W F TC = 0 + -100 RESISTOR 249 1% .125W F T C 0 + -100 RESISTOR 909 1 % . 125W F TC = 0 + -100 RESISTOR 909 1 % . 125W F TC - 0 + -100 RESISTOR 562 1 % . 125W F TC - 0 + -1

41、00 RESISTOR 90.9 1% .125W F TC = 0 + -100 RESISTOR 2.15K 1 .125W FTC = 0 + -100 RESISTOR 2.15K 1% .125W F TC = 0 + -100 RESISTOR 422K 1 % . 125W F TC - 0 + -100 RESISTOR 422K 1 % . 125W F TC - 0 + -100 RESISTOR 261K 1% .125W FTC = 0 + -100 RESISTOR 42.2K 1% .125W F TC = 0 + -100 RESISTOR 5.11K 1% .1

42、25W FTC=0 + -100 RESISTOR 5.11K 1% .125W F T C O + -100 RESISTOR 42.2K 1 % . 125W F TC = 0 + -100 RESISTOR 26.1K 1% .125W FTC-0 + -100 RESISTOR 4.22K 1 % . 125W F TC = 0 + -100 RESISTOR 5.1 IK 1% .125W FTC-0 + -100 RESISTOR 5.11K 1% .125W F T C 0 + -100 RESISTOR 4.22K 1% .125W FTC = 0 + -100 RESISTO

43、R 2.61K 1% .125W FTC = 0 + -100 RESISTOR 422 1% .125W F TC = 0 + -100 RESISTOR 5.11K1W .125WFTCO + -100 RESISTOR 5.11K 1% .125W FTC = 0+-100 RESISTOR 4.22K 1% .125W F T C 0 + -10O RESISTOR 2.61K 1% .125W FTC = 0 + -100 RESISTOR 422 1% .125W F TC = 0 + -100 RESISTOR 5.11K 1% .125W F T C 0 + -100 RESI

44、STOR 5.UK 1% .125W FTC-0 + -100 RESISTOR 4.22K 1 % . 125W F TC = 0 + -100 RESISTOR 2.61K 1% .125W FTC = 0 + -100 RESISTOR 422 1% .125W FTC = 0 + -100 RESISTOR 5.11K 1% .125W F T C 0 + -10O RESISTOR 5.11K Wo .125W FTC = 0 + -100 RESISTOR 249 1% .125W F TC = 0 +-100 RESISTOR 215K 1 % . 125W F TC = 0 +

45、 -100 RESISTOR 2.15K 1% .125W FTC = 0+-100 RESISTOR 1M 1% .125W FTC = 0 + -100 RESISTOR 422K 1 % . 125W F TC - 0 + -100 RESISTOR 4.22K Wo .125W F T C 0 + -100 RESISTOR 5.1 IK 1% .125W FTC = 0 + -100 RESISTOR 5.11K 1% .125W FTC.0 + -100 RESISTOR-TRMR 20K 10% C TOP-ADJ 1-TRN Mir. Code 24546 24546 2848

46、0 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 28480 28480 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 24546 28480 28480 24546 24546 24546 28480 Mfr. Part Num CT

47、4-1/8-T0-5111-F CT4-1/8-T0-2151-F 0698-8827 CT4-1/8-T0-1001-F CT4-1/8-T0-1241-F CT4-1/8-T0-751-F CT4-1/8-T0-249R-F CT4-1/8-T0-249R-F CT4-1/8-T0-249R-F CT4-1/8-T0-809R-F CT4-1/8-T0-909R-F CT4-1/8-T0-562R-F CT4-1/8-T0-90R9-F CT4-1/8-T0-2151-F CT4-1/8-T0-2151-F 0698-3460 0698-3460 CT4-1/8-T0-2613-F CT4

48、-1/8-T0-4222-F CT4-1/8-T0-5111-F CT4-1/8-T0-5111-F CT4-1/8-T0l222-F CT4-1/8-T0-2612-F CT4-1/8-T04221-F CT4-1/8-T0-5111-F CT4-1/8-T0-5111-F CT4-1/8-TCM221-F CT4-1/8-T0-2611-F CT4-1/8-T0-422R-F CT4-1/8-T0-5111-F CT4-1/8-T0-5111-F CT4-1/8-TO-4221-F CT4-1/8-T0-2611-F CT4-1/8-T0-422R-F CT4-1/8-T0-5111-F CT4-1/8-T0-5111F CT4-1/8-TCM221-F CT4-1/8-T