HP-417A-Manual 电路图.pdf

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1、HP Archive This vintage Hewlett Packard document was preserved and distributed by www. h parch Please visit us on the web ! Thanks to on-line curator: Kenneth Kuhn for supplying and scanning this vintage document. RadioFans.CN 收音机爱 好者资料库 MODEL 417A VHFDETECTOR Serial 884 and Above HEWLETT-PACKARD CO

2、MPANY 275 Page Mill Road Palo Alto, California, U.S.A. RadioFans.CN 收音机爱 好者资料库 INSTRUCTION AND O P E R A T I N G MANUAL F O R MODEL 417A VHFDETECTOR Serial 884 and Above Copyright 1954 by Hewlett-Packard Company The information contained in this booklet is intended for the operation and main- tenanc

3、e of Hewlett-Packard equipment and is not to be used otherwise or reproduced without the written consent of the Hewlett- Fackard Company, HEWLETT-PACKARD COMPANY 395 PAGE MILL ROAD, PAL0 ALTO, CALIFORNIA, U.S.A. #4 17A00 1 RadioFans.CN 收音机爱 好者资料库 G e n e r a l D e s c r i p t i o n The Model 417A VH

4、F Detector is a super-regenerative receiver covering It has a singlefrequency control C a l i - all frequencies between 10 and 500 mc in 5 bands and with a sensitivity of 5 mi- crovolts over the entire frequency range. barated directly in megacycles. Although it was designed as a detector for the He

5、wlett-Packard Model 803A Bridge, it may also be used for approximate frequency measurements. P a r t s S u b s t i t u t i o n s Difficulties in procuring some of the parts used in this instrument may . cause the electrical or physical values to deviate from those shown in this in- These substitutio

6、ns have been made so as not to impair the Whenever replacement of any of these parts struction manual. performance of this instrument. is necessary, either the substitute value or the original value may be used. TABLE OF CONTENTS MODEL 417A VHF DETECTOR Page No. Specifications . . . . . . . . . . .

7、. . . . . . . . . . . 1 Op e r at in g Instruct ions Controls and Terminals . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . Circuit Description . . . . . . . . . . . . . . . . . . . . Maintenance Cabinet Removal . . . . . . . . . . . . . . . . . . Tube Replacement.

8、. . . . . . . . . . . . . . . Detector Tube Replacement. . . . . . . . . . . . . . Disassembly . . . . . . . . . . . . . . . . . . . . Assembly. . . . . . . . . . . . . . . . . . . . . Table of Replaceable Parts . . . . . . . . . . . . . . . . . 2 2 3 5 MODEL 417A VHF DETECTOR S p e c i f i c a t i

9、o n s Frequency Range - 10 to 500 Mc. Ranges - 10 - 20 MC 20 - 40 Mc 40 - 90 MC 90 - 205 Mc 205 - 500 MC i I 1 Sensitivity - Approximately 5 microvolts from 10 to 500 Mc Power Supply Rating - I Voltage - 115 volts Frequency - 50/60 cycles/sec. Wattage - 30 watts Overall Dimensions -0 9-1/4 wide x 12

10、*1/4 high x 9-1/8 deep Weight - . . 18-1/2 pounds O p e r a t i n g I n s t r u c t i o n s Inspection - This instrument has been thoroughly tested and inspected before being shipped and is ready for use when received. After the instrument is unpacked, the instrument should be carefully inspected fo

11、r damage received in transit. follow the procedure outlined in the l*Claim for Damage in Shipment page at the back of this instruction book. If any shipping damage is found, I I I -1- Controls and Terminals - QUENCH - This variabl tor circuit. re is t r c ntrols the s nsitivity of th det c- VOLUME -

12、 This variable resistor controls the amount of audio voltage admitted to the amplifier and therefore the loudness of the sound produced by thl speaker or the phones. TUNING - This knob drives the frequency dial and tuning capacitor by means of a friction drive on the edge of the tuning dial. calibra

13、ted in megacycles, for each range is engraved on the dial. use is indicated by the position of the RANGE knob. A direct reading scale, The scale in 10 - 20 Etc. - This knob rotates the coil turret so that coils covering the desired range may be inserted in the detector tuning system. PHONES - Whenev

14、er it is desirable to operate the instrument with heat The loudspeaker is automatically disconnect phones instead of the built-in speaker, the phones are plugged into the jack in the lower left corner of the panel. whenever the phones are plugged in. INPUT - The type BNC jack, located in the lower l

15、eft corner of the cor trol p a n e m e input terminal for the primary of the detector tuning system, .4 AMP - The fuseholder, located in the lower right corner of the con- Replacement fuses for trol panel, contains a .4 ampere cartridge fuse. unscrewing the fuseholder cap and inserting a new fuse. t

16、his instrument must be as specified in the Replaceable Parts List. The fuse may be replaced by ON - This toggle switch, which is located in the lower right corner of the contrrpanel, controls the power supplied to the instrument from the power line. When the switch is in the ON position, the dial la

17、mp will be lighted. Power Cable - The power cable consists of three conductors. these conductors carry power to the instrument while the third conductor (greer wire) is connected to the instrument chassis. The third wire projects from the cable near the plug end of the cable and may be connected to

18、a ground when it is desirable to have a grounded chassis. Two of Operation - The procedure for operating the Model 417A is as follows: 1. Connect the power cable to a 115 volt power line and turn the power switch to ON. The instrument will be ready to operate in less than a minute. 2. Connect the DE

19、TECTOR jack of the Hewlett-Packard Model 803A VHF Bridge to the INPUT jack of the Model 417A. -2 - 3. Set the range knob (10-20, etc.) to the desired frequency range and the frequency dial (TUNING) to approximately the desired frequency. 4. is heard. UME control should be turned completely clockwise

20、. Turn the QUENCH control knob in a clockwise direction until noise The point of maximum sensitivity is just beyond this point. The VOL- 5 . Peak the TUNING control and adjust the QUENCH and VOLUME con- trols for the desired sensitivity and loudness. Any spurious signal of test frequency which is pi

21、cked up by the receiver in any manner other than through the probe on the slotted line in the Model 803A VHF Bridge will tend to make the balance indeterminate and the results inaccu- rate. the cable to the input of the detector should be shielded. The Model 417A is well shielded to prevent stray pi

22、ck-up and therefore When seeking the null point on the VHF Bridge, it is preferable to reduce the sensitivity of the detector by means of the QUENCH control rather than by the VOLUME control. If the detector is too sensitive, the null point may be dif- ficult to locate. . C i r c u i t -D e s c r i

23、p t i on The Model 41 7A VHF Detector consi,sts of super-egenerative detector, a multivibrator, an amplifier, and a power supply. This super-regenerative circuit uses a pencil triode tube (Vl) as the de- tector. tor tube (V2A, V2B) and fed into the grid of tube V1. Tube V3B actsaa a recti- fier to p

24、rovide a source of negative direct current voltage for biasing the detec- tor tube. sensitivity of the detector is determined by the setting of the Quench control (R15). The interruptor frequency of about 30 Kc is generated by the multivibra- The amount of bias voltage on the grid of tube V1 and the

25、refore the The amplifier and power supply are conventional. M a i n t e n a n c e Cabinet Removal - Remove the eight screws around the edge of the control panel and pull the cover away from the panel. Tube R-eplac emeat - - All tubes except the detector tube (VI) may be replaced with tubes having RM

26、A standard characteristics. Detector Tube Replacement - - The procedure for replacing the detector tube is as follows: -3- . . Disassembly - 1. Pry o f f the 2 diameter plug button (Fig, 2A) an top of the detector 2. Unscrew the three acrews (Fig. 1, #1) from the ascillatdr tube sockd . aesembly. Re

27、move the tube socket (Fig. 1). and lift out tube socket and 5874 tube. Assembly - 1, Insert 5876 tube in plate contact (Fig. 2B) filament lead end o f tube 2 . Slip oscillator tube socket over 5876 tube with the spring and insula- Replace the three screws (Fig. 1, #l) which fasten the oscillator tub

28、r U P * tor side down. 3. socket to the chassis. Fasten filament lead ground lug under one acrtw. 4. Slide bakelite tube socket over filament leads and replace plug button This completeti the assembly, 0 - 0 : w IrNr T A B L E OF R E P L A C E A B L E P A R T S Circuit Ref. c1 c2 c3 c4 c5 C6 abc 57

29、58 59 c10 c11 c12 513 514 215 216 ;17 ;18 Description Capacitor: variable, air, 30 -.30 w f Capacitor: Part of Detector Assembly Capacitor: fixed, ceramic, .01 pf, 600 vdcw Capacitor: fixed, ceramic, .01 pf, 600 vdcw Capacitor: fixed, mica, 47 ppf, kl070, 500 vdcw Capacitor: fixed, electrolytic, 10,

30、 10, 10 pf, 450 vdcw Capacitor: fixed, ceramic , 1000 yp.f, 500 vdcw Capacitor: fixed, ceramic, .01 pf, 600 vdcw Capacitor: fixed, ceramic, 1880 pcLf, 500 vdcw Capacitor: fixed, ceramic, I000 wf, 500 vdcw Capacitor: fixed, ceramic, 1000 ppf, 500 vdcw C ap aci t or : fixed , c e r ami c , . 01 p.f, 6

31、00 vdcw Capacitor: fixed, mica, 560 Wf, +lo?&, 500 vdcw Capacitor? fixed, paper, e 05 pf, 600 vdcw Capacitor: fixed, ceramic, 01 pf min., 500 vdcw Capacitor! fixed, electrolytic, 10 wf, 450 vdcw Capacitor: fixed, paper, .5 pf, 200 vdcw Capacitor: fixed, electrolytic, 50 pf, 50 vdcw -hp - StQck No. 1

32、2 -25 15 -43 15-43 14-67 18-31 15-21 15-43 15-21 15-2 1 15-21 15-43 14-63 16-15 15-43 18-10 16-37 18 -50 Mfr. * & Mfrs. Designation Hammarlund VU-30 K Type BPD-10 K Type BPD-10 V Type OXM X FPT -389 K Type CP-123 K Type BPD-10 K Type (2-123 K Type CP-123 K TypeCP-123 . K Type BPD-10 V Type OXM A Typ

33、e P688 A HI-Q Div. X WB -72 cc 68P-25 X TC -39 *See llLirt of Manufacturers Code Letters For Replaceable Parts Table. -5 - T A B L E O F R E P L A C E A B L E P A R T S Circuit Ref. C19 c20 c2 1 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 Description Capacitor: fixed, mica, 390 wf, +loyo, 500

34、 vdcw Capacitor: fixed, electrolytic, 10 pf, 450 vdcw Capacitor: fixed, electrolytic, 50 pf, 50 vdcw Re si s tor : fixed, wir ewound, 10,000 ohms, klOYo, 10 W Resistor: fixed, composition, 5600 ohms, +lo%, 1/2 W Resistor: fixed, composition, 100,000 ohms, f1070, 1/2 W Resistor: fixed, composition, 1

35、2,000 ohms, il070, 1 W Resistor: fixed, composition, 22,000 ohms, +lo%, 1 W Re si s tor : fixed, c omp osi ti on, 15,000 ohms, +lS?!o, 1 W Resistor: fixed, composition, 560,000 ohms, +lo%, 1/2 W Resistor: fixed, composition, 1 8 megohms, +lo%, 1/2 W Re si s tor: fixed, composition, 27,000 ohms, +.IO

36、%, 1/2 W Re s i s tor : var i ab 1 e e omp os i ti on, 250,000 ohms, semi log Resistor: fixed, composition, 10 megohms, +loyo, P/2 W Resistor: fixed, c omposi ti on, 2,2 megohms, +loyo, 1/2 w Resistor: fixed, composition, 1 megohm, +loyo, 1/2 W Resistor: fixed, composition, 2200 ohms, +1070, 2 W Res

37、istor : variable, composition, 25,000 ohms, linear taper -hp - Stock No. 14-65 18-10 18-50 26-10 23-5600 23-100K 24-12K 24-22K 24-15K 23 -56OK 23-1.8M 23-27K 210-38 23-10M 23-2,2M 23-1M 25-2200 210-54 Mfr. * & Mfrs. De s i gna ti on V Type OXM X WB 72 X TC - 39 S Type 1-3/4E B EB 5621 B EB 1041 B GB

38、 1231 B GB 2231 B GB 1531 B EB 5641 B EB 1851 B EB 2731 HP B EB 1061 B EB 2251 B EB 1051 B HB 2221 B JU 2531 I -6 - I *See List of Manufacturers Code Letters For Replaceable Parts Table. I t Circuit Ref. 116 117 118 t19 12 0 12 1 12 2 12 3 124 71 Cl, E2 23 1 A 1 - L5 J6, L7, 8 I 1 :1 2 T A B L E O F

39、 R E P L A C E A B L E P A R T S De s crip tion Resistor: fixed, composition, 10,000 ohms, +lo%, 1/2 W Resistor: fixed, composition, Electrical value adjusted at factory 56,000 ohms, +lo%, 2 W Resistor: fixed, composition, 22,000 ohms, +lo%, 1 W Resistor: fixed, composition, 220,000 ohms, +lo%, 1/2

40、W Resistor: fixed, composition, 560 ohms, +1070, 1/2 W Resistor: fixed, composition, 3900 ohms, +lo%, 1 W Re si s tor : fix e d , c omp os i ti on, 120 ohms, +l070, 1/2 W Resistor: fixed, composition, 2200 ohms, +l070, 2 W Resistor: fixed, composition, 4700 ohms, +lo%, 1 W Fuse: .4 Amp. (opens in 5

41、sec. min. to 60 sec. Max. at 20070 o$erload) Fuseholder: Filter C: Filter D: Telephone Jack: Lamp: Knob: 1 -1/811 diam. Knob: 1-5/8 diam. Knob: 2Ir diam. Coil Assembly: RF Choke: Switch: Toggle, SPST Transformer: Power Transformer: Output -hp - Stock No. 23-10K 25-56K 24-22K 23-220K 23-560 24-3900 2

42、3-120 25-2200 24-4700 211-56 312-8 417A-27C 417A-27D 38-25 211-47 37 -9 37 - 12 608A -74 417A-60 48-1 310-11 910-22 912-21 Mfr. * k Mfrs. Designation B EB 1031 B HB 5631 B GB 2231 B EB 2241 B EB 5611 B EB 3921 B EB 1211 B HB 2221 B GB 4721 T, 313.400 T, 342001 HP HP X, #706 0, #47 HP HP HP E % P K D

43、, 20994-HW HP Thor dar s on See List of Manufacturers Code Letters For Replaceable Parts Table. -7 - Circiait Ref. v 1 v2 v3 v4 v 5 T A B L E OF REPLACEABLE P A R T S Description . - - Speaker: Dial Window: Power Cable: Tube: 5876 Tube: 6SN7 Tube: 6SN7 Tube: 6SJ7 Tube: 5Y3GT Tube Socket: for 5876 tu

44、be Plug Button: Oscillator Tube Socket: Cross Armi 912-19 417A-99 812 -56 2 12 -5876 21236SN7 2 12 -6SN7 2 12 -6sJ7 2 12 -5Y 3G 120-26 51-20 608A- 1001 M-26B Mfr. * dt Mfrs. Designation Oxford Elec. Cc 2 AM-S HP HP Y zz zz ZZ ZZ H, 54A11953 United Carr Fastener Co. 48175 HP HP *See List of Manufactu

45、rers Code Letters For Replaceable Parts Table. e8 - LIST OF MANUFACTURERS CODE LETTERS FOR REPLACEABLE PARTS TABLE Code Letter Manufacturer A B C D E F G H HP I J K L M N 0 P R S T V X z AA cc DD EE FF HH I1 KK LL MM 22 Aerovox Corp. Allen -B r adley C 0. Amperite Co. Arrow, Hart and Hegeman Bussman

46、 Manufacturing Co. Carborundum Co. C entralab Cinch Manufacturing Co. Hewle t t -Pac kard Clarostat Manufacturing Co. Cornel1 Dubilier Electric Co. Hi-Q Division of Aerovox Corp. Erie Resistor Corp. Federal Telephone and Radio Corp. General Electric Co. General Electric Supply Corp. Gir ard -Hop kin

47、s International Resistance C 0. Lectrohm, Inc. Littelfuse, Inc. Micamold Radio Corp. P.R. Mallory Co., Inc. Sangamo Electric Co. Sarkes Tarzian Sprague Electric Co. Stackpole Carbon Go. Sylvania Electric Products, Inc. Western Electric Co. Amphenol Dial Light Co. of America Switchcraft, Inc. Gremar

48、Mfg. Co. Carad Corp. Any tube having RETMA standard characteristics 90BY013 CLAIM FOR IN SHIPMENT The instrument should be tested as soon as it is received. If it fails to operate properly, or is damaged in any way, a claim should be filed with the carrier. A full report of the damage should be obtained by the claim agent, and this report should be forwarded to us. We will then advise you of the dis- position to be made of the equipment and arrange for re