Westinghouse Type KR Installation & Operating Instructions Manual

Carrier relaying transmitter -receiver

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Flexitest Case Mounted -with provision for rear -mounter Voice Adapter
KR Reserve Signal Detector .............. . .. .
Coaxial Lead . . . . . . . . . . . . . . . . . . . . . . . . . . 756D346 G02
Output Lead . . . . . . . . . . . . . . . . . . . . . . . . . . 756D346 G03
T A B L E O F C O N T E N T S
Introduction
......................................... Page 2
Specif ications ....................................... Page 2
Description
General ............................................... Page 3
Mechanical .......................................... Page 3
Electrical .....................
Receiver ....................................... Page 4
Transmitter Control Circuits .............. Page 5
Reserve Signal Detector .................. , Page 5
Co mmunications .............................. Page 5
Relaying Control Circuits ................. Page 5
I nstallation
General ............................................... Page 6
Connections
External ........................................ Page 6
Internal ........................................ Page 7
All possible contingencies which may arise during installation, operation, or maintenance, and all
details
and variations of this equipment do not purport to be covered by these instructions. If further
information
is desired by purchaser regarding his particular installation, operation or maintenance of
his equipment, the local Westinghouse Electric Corporation representative should be contacted.
S U P E RSEDE S LL. 41-941 . 1 J, dated March 1 974
ODen otes cha nge from superse ded i ssue .
I N STAL LATI O N
INSTRUCTIONS
TYPE KR CARRIER RELAYING
TRANSMITTER -RECEIVER
Accessories.
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We�inghouse
O P E RAT I O N
Style
47 0 D167 G02
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Adjustments
Transmitter ............................... Page 7
Receiver .................................. Page 7
Reserve Signal Detector .............. Page 8
25(}-Volt Resistor Unit ................ Page 8
Frequency Change ..................... Page 8
Maintenance ....................................... Page 9
Application ......................................... Page 13
Electrical Par t s List ........................... Page 14
L I S T O F T A B L E S
Table
0
1 D-C Pin Jack Measurements with
Reference to neg. d.c.
0
2 Transistor DC Measureme11ts with
Reference to neg. d.c . .............. Page 11
0
3 D-C Bleeder Measurements with
Reference to neg. d.c . .............. Page 12
4 Typical RF Signal Measurements
5 Typica I RF Signal Measurements
for Receiver ............................ Page 12
for Transmitter ........................ Page 13
EFFECTIVE SEPTEMBER
I . L . 41-94 1 . 1 K
M A I NTEN A N C E
.. ........... Page 10
1976

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Summary of Contents for Westinghouse Type KR

  • Page 1: Table Of Contents

    If further information is desired by purchaser regarding his particular installation, operation or maintenance of his equipment, the local Westinghouse Electric Corporation representative should be contacted. EFFECTIVE SEPTEMBER 1976 S U P E RSEDE S LL.
  • Page 4: Transmitter Control Circuits

    eluding an oscillator, driver, power amplifier, and an ally the same as the transmitter oscillator. The output fil ter. In th e o scil lator, the crystal is op erated frequency 20-kHz above the incoming signal as a resonant circui t b etween the col l e ctor o f one frequ ency.
  • Page 5: Reserve Signal Detector

    The transmitter output is reduced approximately condition. 6-db when the Type KR voice adapter attachment i s The H Z-HZM relays operating from the voltage u sed. Rela ying takes preference , a n d ful l output i s...
  • Page 6: Reserve Signal Detector

    . ·� In the case of the KR set for relayin g 3-terminal . Carrier Stop for HZM Relaying lines , the transmitter frequencies (to avoid this pos­ Pos . DC • • • • • sibility of false trip) should be separated by 100 H z . Relay Coil •...
  • Page 7 T YPE KR C A R RIER SET Transmitter a. Sensitivity A djustment for Noise 1 . Disconnect the coaxial cable and replace with a 50, 60 , or 70 ohm non-inductive resistor depending If the maximum o n-frequency noi se level is known on the characteristic impedance of the cable used .
  • Page 8: 25G-Volt Resistor Unit

    which would necessitate increasing the sensitivity will remain fairly constant over an indefinite period the receiver. unless a failure occurs. However, if transistors are changed, there may be cons iderable difference in Reserve Signal Detector these readings without the overall performance being affected.
  • Page 10 TYPE KR CARRI ER SET TABLE 1 D - C PIN JA CK MEA SUREMEN T S WI T H REFEREN CE T O N EG. DC 0 CONDITION A CONDITION B CONDITION C Tx-Biocked T x-Biocked T x-Unblock ed...
  • Page 11 TYPE K R CAR RI E R SET -- TABLE TYPICAL TR ANSISTOR DC M E ASU R EMENTS WI TH R E F E R ENC E TO NEG. DC 0 Condition C Condition A Condition B T x-Unblocked Tx-Biocked Tx-Biocked Rx-No Signal...
  • Page 12 TABL E 3 D - C B L E E D E R ME ASU R EMENTS WITH R E FE R ENC E TO N EG. DC 1 29 VDC 51 VDC Mea surement and R-2'7 Junction R-6 1 and R-6 2 (J-8) l lOV l lOV l lOV...
  • Page 13 TYP E K R CAR R I E R S E T TAB L E 5 TY P ICAL R F SI GNAL MEASU R EMENTS FOR TRANSMI T T E R CHECK P OIN T VOL TS T5- 1 to Gnd. 5 .
  • Page 14 E L E C T R IC A L P A R T S L 1 S T CIRCUIT MANUFACTURER' S F UNCTION DE SCRIPTION SYMBOL DE S IGNATION CAP ACITORS Jlf, C- 1 Rcvr. Bleeder ±20%, 200 VDC, Paper 3 30C567 tc-2 Rcvr.
  • Page 15 T Y P E K R CAR R I E R S E T CIRCUIT MANUFACTU RE R' S FUNCTION DE SC RIPTION SYMBOL DESIGNATION CAPACI TORS ( Concluded) C-I8 PA Bleeder 0. 5 flf, ± 20o/c, Paper 330C567 H06 C-I9 Output Filter Tuning 500 flflf, Variable, Air...
  • Page 16 E L E C T R I C A L P A R T S L I S T CI RCUI T MANUFACTU R ER'S FUNCTION DESC R I P T ION SYMBOL DESI GNATION FUSE HOL DERS FH- 1 F or Type 3AGC Fuses 584C 27 1 H0 2 FH-2...
  • Page 17 TYPE KR CARRIER SET E L E C T R I C A L P A R T S L I S T CI RCUI T MANUFAC TU RE R' S FUNCTION DESC RIPTION DESIGNATION SYMBOL CON NECTORS ( Concluded)
  • Page 19 TYP E KR C ARRIER SET E L E C T R I C A L P A R T S L I S T MANUFACTURER'S CI RCUIT FUNCTION DESCRIPTION DESIGNATION SYMBOL RESISTORS (Continued) Same as R-2 R- 10 Q- 2 Base R- 1 1 Q- 2 Base 100 K, ±5%, 1 / 2 W...
  • Page 20 E L EC T R I C A L PA R T S L I S T CIRCUIT MANUFACTURER'S FUNCTION DESCRIPTION SYMBOL DESIGNATION RESISTORS (Continued) R-31 Q-8 Base Sam e as R-11 Q-8 Base R-32 Same as R-2 R-33 Q-8 Emitter Same as R-13 R-34 Q-8 Collector...
  • Page 21 TYPE KR CARRIER SET E L E C TR I C A L P A R T S L I S T MANUFACTURER'S CIRCUIT FUNCTION DESCRIPTION DESIGNATION SYMBOL RESISTORS (Concluded) ± R-50 Xmtr. PA Same as R-19 HO 1 10 Ohms,...
  • Page 22 E L E C T R I C A L P A R T S L l S T C I RC U I T MAN UFACTURER' S F UN CT I ON DESC R I P TION DES I GNAT I ON SYMBOL TRANSFORMERS Impedance Ratio 10 K;...
  • Page 23 I . L . 4 1 ·941 . 1 K TYPE KR CARRI ER SET EL E C T R I C AL P A R T S L I S T C I RCUIT MANUFACTURE R ' S FUNCT I ON...
  • Page 24 -< � "'tJ )> 2 � , � � :;· CUTOtJT DRILLING PLAN & FOR SOli-FLUSH lo40UNTIIIG (MOT TO S C ALE:) �­ � � "5} � � LOWANCE FOR ..� l _j_ OF COVER -!!. . � � --- 1 7�...
  • Page 25 TYP E K R CAR RI E R SET --�-- �-- - - - - -1- �; CARR IER � P /3 T ES T -· --.1--- R X - I WI T C H CA RR 1£ R. ··--11 - ( O M Q7 R C VR.
  • Page 26 .8�/ -- - H - CA R RIER. A L ARiv1 ----­ T,E S C U TOFF 1-- - - - - -- il l - -- co ca r" �) REQ UI R E f\·1EAI TS rO� K- DA R !?£...
  • Page 28 r - - - - r � ; ""D Ci + r � Q IS � " c:::J "' - - -' c]li J"' ()> � @ @ @ � @ "' � )>- G/ IZ @ @ ::: @ F L- Z o l c:::J ®...
  • Page 29 ADJUST 9 M A AT N O T E S : REMOVE FOR KR CARRIER PLUS SUPV. C ONTROL WITHOUT R E LAYI N G . 4 6 6 . POLAR I T 'f SHOWN CLOSES CONTA CT BETW E E N T E R M I N A L S 629A552 AS VIE WE D FROM REAR OF PANEL...
  • Page 30 TYPE KR CARRIER SET CONNECT I ONS FOR �8-250 V OLT SER V I C E AND S U PE R V I SOR Y CONTROL A PPL I CAT I ON ( CHANGES FRO� J UMPERS SHOWN ON I NTERNAL SCHEMAT I C , P I G . 2 )
  • Page 31 TYPE KR CARRIER SET T R A N S M I TTE R OUTPUT F I LT E R F L -3 CO N N E CT I O N S CO I L PA R A L L E L !:::.
  • Page 32 TYPE KR CARRI E R S E T � <t - 1 5 -1 0 FREQUENCY (KHZ) 3 77996) Fig. 10. Tran smitter Output Filter Selectivity (Dwg.
  • Page 34 TYPE KR C ARRIER SET 1::) � i::: � � ..� � � � � " � � (KH.:) FREQUENC Y F i g. R e cei ver Selectivity ( Curve #377993)
  • Page 36 TYPE K R CA RRIER SET -- -- -- -- -- -- -- -- -- -- -- -- -- -- - so � 5 KH2. + 10 (lJO MV) 0 {8 V) 4 KU � � � � � � �...
  • Page 40 W E S T I N G H O U S E E L E C T R I C C O R P O R A T I O N C O R A L S P R I N G S , F L. R E LAY - I N ST R U M E NT D I V I S I O N Printed in U.S.A.
  • Page 42 Sensiti vi ty Var iati o n s with Westinghouse protective relay s, thi s appar atus m ay D-C Voltage ......
  • Page 43 Weight ( With Flexitest Case) ..............Appr o ximately 1 6-lbs. Refer application to Westinghouse when or sili con semi -conductor materials.
  • Page 44 T Y P E K R CARRI E R SET eluding an oscill ator, driver, power amplifier, and an order to match oth er s witchboar d equipment. The out­ output filter. In th e oscillator, th e cry stal is op erate d line dimensions and al so th e dril ling plan for fl ush and projection mounting are shown by Fig.
  • Page 46 and communication, should these functions be in use It is possible under certain conditions that the signals from two transmitters, attempting to b i ock a at the s am e time. Should carrier be recei;yed from the remote station, the hold coil and alarm coil will third receiver, would be of such amplitude, phase and energize through tran si st or Q-7 in the receiver.
  • Page 47 TYPE KR CAR Rl ER SET the power amplifier will be p ermanently damag ed. A Internal dummy load should be connected to the transmitter Neces sary internal connections are generally output if the coax is disconnected and the transmitter made at the factory , to customer order, before app ara­...
  • Page 48 mately 250 millivolts (to produce 10 rna relay current) adjustment of R- 1 . restore the transmitter to ful l with input control R-1 in maximum clockwise posi­ output. tio!l. About 10-db additi onal gain or 80 millivolt sensitivity can be obtained by clipping out resistor It must be k ept in mind that the two preceding R-7 4 , which is connected to the b ase of Q-4 and the adjustment procedures are to b e u sed as a guide and...
  • Page 49 quencies below 1 10 kc, these c;:tpacitors are 270 Pull board down so as to disengage the terminal s , mmf. each. For frequencies of 1 10 kc and above, the and l i ft out. capacitors are 140 mmf. each. C A U T 7.
  • Page 50 TAB L E 1 D-C P I N JACK M E ASUR EMENT S WIT H REF ERENCE T O B - CON DI T ION C CON DIT ION A COND I T ION B T x-Unblock ed T x- B iocked T x- B i ocked Description J ack...
  • Page 51 TABL E 2 T YPI CAL T RAN SIST O R DC M EASU R EM ENT S WIT H R E F E R EN C E T O 8- Con dition A Condition B Con dition C Tx- Biock ed Tx-Un blocked Tx-B iock ed Rx-No Si gnal...
  • Page 52 TABL E 3 D-C BL E ED E R MEASU R EMEN TS WI TH R E F E R EN C E TO B- 1 29 VDC 5 1 VDC Measu rement and R�2'1 l lO V Junction R-6 1 and R-6 2 (J-8) l lO V l lOV 3 2V...
  • Page 53 T YP E KR CAR R I E R S ET TAB L E 5 TYPICAL R F SI GNAL M EASU R EM ENTS FOR T R ANSMI T T E R C H E C K P OI N T VOL TS T S- 1 t o Gnd.
  • Page 54 obtained in db from the receiver curve. 40 millivolts seri e s with the RRH coil in place of the alarm relay. sensitivity represents the input signal required for When supervisory control i s used alone, a 2000-ohm proper operation. 5-watt resistor is to be connected in seri e s with the control relay coil.
  • Page 55 TY P E KR CAR R I E R S ET E L E C T R I CA L P A R T S L l S T CI RCU I T M F R . MA N U F ACT U R E R' S FUNCTION DESC R I PT ION D ESIGNAT ION...
  • Page 56 E L E C T R I C A L P A R T S L I S T CI RCUI T M F R . MAN U F ACTU R E R ' S F U N CT I O N D ESC R I P T ION CODE D E SI GNAT I O N...
  • Page 57 TY P E K R CAR R I E R SET E L E C T R I C A L P A R T S L I S T M F R . M ANU F ACTU R E R ' S CI RCU I T D ESC R I P TION FUNCTION...
  • Page 58 E L E C T R I C A L P A R T S L l S T M F R . MAN U F AC TU R E R ' S CI RCU I T D ESC R I P T ION FUNCTION CO D E D E SIGNAT I O N...
  • Page 59 TYP E KR CAR Rl ER SET ---- -- -- -- -- -- -- -- -.:.: :'·L=-=· �4:. .:1·..:.9.:.: ..41: :. .:..1 E L E C T R I C A L P A R T S L l S T M F R .
  • Page 60 E L E C T R I C A L P A R T S L l S T CI RCU I T MF R . MANU FACTU R E R ' S FUNCT ION DESC R I P T ION SYMBOL C O D E D ESIGNAT ION...
  • Page 61 TYPE K R CAR R I ER SET E L E C T R I C A L P A R T S L l S T C I R C U I T MANU FACTU R E R ' S M FR .
  • Page 63: Type Kr Carri Er Set

    Resi stor, Limiting 2000 ohms , 2 " tube. 1 26 7296 S- 1 Switch Sleet Test SPST Normally Open 3 27C854 H0 1 LIST OF M ANUFACTURERS 1. Westinghouse Electric Corporation 2. National Co. , Inc . , Malden, Mass.
  • Page 64 � -< 2 � "' � 1 8 t "' 1 9 4 � · � :;· CUTOUT & DRILLIIIG PUM • FOI SEMI-FLUSH NOUIIT I II G (MOT TO SCALE} � � :;· 2� go• � ALLOWANCE FOR SWING OF COVER 1 6 4 I --$- --$-...
  • Page 66 I.L. 4 1-941. 1 T E S T CA ��IE/1!. CJ.JT O�F STA R T �)(-/ ��tel! S T O P � te__ - f#ItflrtJI!. /Us� �%�/ C. A tJ L L - COA XIAL 7<J l iN/! TUJJ E I( C A ��t£1( ASSY' R£QUt�EMEAJTS F()�...
  • Page 67 I . L . 4 1-941. 1 T YP E KR CAR RI E R CA IUUC.IZ. A L A RM c 1) 701'!= AI.. AI?M ---"' R C V R. R E L F\Y C O I L O CO M M CA R.IfiE/Z.
  • Page 68 -< "' q 'S � " cv � o "' " F l o )> q ,z J J 3 Q / 0 � '""· ® ® ® "' (]D @®�� TP � TP 7 T P I!J So/ o ®...
  • Page 70 T YP E KR CAR RI E R SET CONNECT I ONS FOR �8-250 V OLT S ER V I C E AND S U PE R V I SORY C O NTRO L A PPL I CAT I ON ( CHANGES FROM J UM PE R S S HOWN ON I NT E R NAL SC HEMAT I C , F I G .
  • Page 71 TRANSMITTER OUTPUT FILTER FL-3 CONNECTIONS L I N E COIL PARALLEL FREQUENCY RANGE COIL CONNECTIONS CAPACITOR CONNECTIONS ! �=�j ! i:§l 6-8- 9- 10-11 6-8- 1 0-11 l - 5 6-8- 9-11 3 - 3 1 . 8 KC- 3 6 . 0 KC 4 - 35 .
  • Page 72 T Y P E KR C AR R I E R SET -< � � (KC) Fig. 10. Transmitter Outp ut Filter Selectivity (Dwg. 377996)
  • Page 73 TY P E K R CAR R I E R S ET MAX.. C C W PoSITION PE � M I S 5 1 5l E VA R I A T I ON ' CONTI'tOL WATT C> <OO OHMS) S C H EMATI C WE S T I NG- H O V S E TY PE $ L EET...
  • Page 74 INCI?E.ASING OU TPU T .S ING SENS I TIVI T Y INC/lEA tt 1 � ��� �\ � \ 4 0 M V A T 12 9 VDC RECEIV ER SENSITI VI T Y = /. 0 W A T /2 9 VD C OLITPUT T RANSMI T TER CoO OHM.S )
  • Page 75 -< "' � TRANSMITTER OUTPUT ¢ RECEIVER SENSITIVITY > V ARIA TIONS WITH F RCQUCNCY � � <?" � � + tO -0" -"' ..s/� /(/ / ?""- I N CREASING :5EN51TIVI TY I NCREASING OUTPUT T RA NSM I TT ER ;: ·...
  • Page 76 TY P E K R CAR RI E R S E T � � � � � � � � � � � I �2 (Kc) FREQUENC Y Fig.· 14. Rec e i ver Sel ectivity (Dwg. 377993)
  • Page 77 FlL TEil TEST ClllCU J T SEC . I sEc•z ( KC ) FL-2 E ach s ection r equi r e m ent with typical s e l e ctivity curve 26 DB max . I n s erti o n lo s s Incl udi n g m at c hing r e sistor.
  • Page 78 + 10 (80 NV) (B V) .' 0 (B Y) 40 (tJOMV} ZERO DB = � VOl TS IS PPS �IN/MUM CHANNEL SPACIN"i + 1 0 FOR KE YED CARRIER Fig. 1 6. Minimum Channel Spacing (Dwg. 377998)
  • Page 79: Main Harness

    T Y P E KR CAR R I E R S E T Coaxial Lead . . 7 56D346 G0 2 Output Lead . . 7 56D346 G03 BUICK . . . Main Harness 756D346 G04 Fig. 1 7. Test Har ness - (Complete Set)
  • Page 80 W E S T I N G H O U S E E L E C T R I C C O R P O R A T I O N R E LAY- I N ST R U M E N T D I V I S I O N N EWA R K , N .
  • Page 81: Test Harness (Complete Set)

    M A I N T E N A N C E I N S T R U C T I O N S TYPE KR CARRIER RELAYING TRANSMITTER-RECEIVER EQU I P M E NT STYLE N U MB E R S...
  • Page 82: Figure References

    Relaying Control Circuits Westinghouse protective relays, this apparatus m ay ( GCX/GCY) ......2- 3 29C70 4 also be coordinated with other typ es of directional ­...
  • Page 83: General

    TYPE KR CARRI E R S ET Permissible Battery Voltage Ripple ............7- Y z% Ambient Temperature Range .
  • Page 84: Transmitter

    order to m atch other switchboard equipment. The out­ For 258-volt op eration, separate auxili ary resis­ line dim ensions and also the drilling plan for flush tors are r equired. E l ectrical and projection mounting are shown by Fig. 1 . The m aj ority of the p arts are m ounted on a printed circuit board.
  • Page 85: Transmitter Control Circuits

    The transmitter output is reduced approxim at ely filter FL- 2. Typical characteristics of thi s filter are 6-db when the Type KR voice adapter att achm ent is shown by Fig. 12. us ed. Relaying t akes p reference , and full output is The IF amplifier consists of transistors Q-4 , Q-5 obtained since full voltage is supplied to terminal 1 5 .
  • Page 86: General

    trans mission line is flowing out of the line section When c arrier stop operation occurs , th e bein g protected. Conversely, when fault power is CARRIER STOP contact opens. This applies flowing into this line s ecti o n , the control is such as positive voltage (see Fig.
  • Page 87: Internal

    TYP E K R CARRI E R SET If the transmitter output load is removed Tuner or m atching transformer. C A U T I O N while the transmitter is energized, the transistors in Internal the power amplifier will b e p ermanently damaged. A Neces sary internal connections...
  • Page 88: Co N Nec Tio Ns

    mately 250 millivolts ( to produce 10 rna relay current) to the b ase of Q-5. After completing the adjustment with input control R- 1 in maximum clockwise posi­ of R- 1 , restore the transmitter to full output. tion. About 10-db additional gain or 80 millivolt sensitivity can be obtained by clipping out resistor...
  • Page 89 TYP E K R CAR R I E R SET quencies below 1 10 kc, these C!J.pacitors are 270 Pull board down so as to disengag e the terminal s , m mf. each. For frequencies of 1 10 kc and above , the and lift out.
  • Page 90: Reference To B

    TAB L E 1 D-C PIN J ACK M EASU R EMENTS WiTH R E F E R EN C E TO 8- COND I T I O N 8 CON D I T ION A CON DI T I O N C T x- B i o cked Tx- B iocked Tx-Unbl ock ed...
  • Page 91 TYP E K R C AR R I E R S E T TABLE 2 TY P I CAL T RAN SI STO R DC M EASU R EM EN T S WITH R E F E R EN C E TO 8 - Con d i tion C Con di t i on A Condi tion B...
  • Page 92: Reference To B

    TABL E D-C BL E EDER M EASU R EM EN TS WI TH R E F E R EN C E TO B - 1 29 VDC 5 1 VDC Measu rement and- R�27 l lOV l lOV l lOV Junction R-6 1 and R-6 2 (J-8) 3 2V 3 2V...
  • Page 93: Receiver Sel Ectivity

    I.L. 4 1-94 1A TAB L E 5 TYPICAL R F SIGNAL M EASU R EM ENTS FOR T RAN SMI TTER CHECK P O I N T VOL T S T5- 1 to Gnd. 5. 5 T5 -3 to Gnd. 1 .
  • Page 94: Transmitter Output A N D Receiver Sensitivity Variatio N S With Frequency

    obtained in db from the receiver curve. 40 millivolts seri e s with the RRH coil in place of the alarm relay. sensitivity represents the input signal required for When supervisory control i s used alone, a 2000-ohm proper operation. 5-watt resistor is to be connected in seri e s with the control relay coil.
  • Page 95: General

    TYP E K R CARRI E R S E T E L E C T R I C A L P A R T S L l S T M F R. MAN U F ACT U R E R ' S CI RCU I T FUN CTION DESC R I P T IO N...
  • Page 96 E L E C T R I C A L P A R T S L I S T C I RCUI T M F R. MANU F ACTU R E R ' S FUNCTION D ESC R I P TION CODE SYMBOL DESI G NATION...
  • Page 97 TYP E K R CARRI E R S E T E L E C T R I C A L P A R T S L I S T M F R . MANU F ACTU R E R ' S CI RCU I T FUNCTION D ESC R I P TION...
  • Page 98 E L E C T R I C A L P A R T S L l S T M F R . MAN U F AC TU R E R ' S C I RCU I T FUNCT ION D ESC R I P T ION CO D E D E SI GNATION...
  • Page 99 E L E C T R I C A L P A R T S L l S T M F R . MAN U F ACT U R ER'S CI RCU I T D ESC R I P T I ON FUNCTION D ESIGNATION CODE...
  • Page 100 E L E C T R I C A L P A R T S L l S T CI RCU I T M F R . MANU FACT U R E R ' S FUNCTION DESC R I P T ION SYMBOL CO D E D ESIGNAT ION...
  • Page 101 T Y P E K R CARRI E R SET E L E C T R I C A L P A R T S L l S T M F R . C I RCU I T MANU FACTU R E R' S FUNCTION D E SC R I P T ION COD E...
  • Page 102 E L E C T R I C A L P A R T S L I S T C I RC U I T M F R. MAN U FACT U R E R ' S F UN CTI ON DESC R I P T ION COD E D E S I GNATION...
  • Page 103 5 1-D- 1 9 7 6 H 1 7 Resistor, Level 100 K, 2 W, Pot. (S#1 475074) Control 3 27C854 H0 1 S- 1 SPST Normally Open Switch Sleet Test LIST OF M ANUFACTURERS 1. Westinghouse Electric Corporation 2 . National Co. , Inc. , Malden, Mass.
  • Page 105 - s -x4- 5 �- - - C-'ISE - T -4P .t3e-3Z 3 H oL C $ EX/Sf:··MO 2 /h/LS O!A . c .. (IN CASE) s.:) � - - - - - - - - - £J/A 2. EA E N D T"...
  • Page 106 I. L. 41-94 1A A -X3-I 8>-J?6/ (BorrOM Vtc"') BF - R " I - £-'R/Lt P LAN R ear Mounting Voice Adapter (Dwg. 756Q204 - Sub. 1 2 )
  • Page 107 -< "'tJ ,.:: :::0 � :::0 :::0 -!>- �- :::J � - T - :::J ..a · � .,._ '�-�� <5 .,._ ..I :.. ,. !'" 1 ;'·'.11 : ;· - � I I ·! 1 : : ";"' L coAd PoN'£NT x-4 &...
  • Page 108: Co Nnectio N

    � � q 2 " w � Dl o � G\ ::> " C O N N ECTI O N F O R cn li SUPE R V I S O RY C O N T R O L m ._ 5- :--<: O N N E CT TO S A M E )- (I) BAT T E R Y...
  • Page 110: Transmitter Ou Tput Fil Ter

    TRANSMITTER OUTPUT FILTER FL-3 CONNECTIONS COIL PARALLEL L I N E ! §:� l FREQUENCY RANGE COIL CONNECTIONS CAPACITOR CONNECTIONS ! i :§l 6-8-9- 1 0- 1 1 6-8- 1 0- 1 1 3 1 . 8 KC- 3 6 . 0 KC 1 - 5 6-8-9- 1 1 1 - 5...
  • Page 111 TYP E K R CARR I E R S E T � 25" F ig. 8. Transmitter Output F ilter Select ivity (Dwg. 377996)
  • Page 114 � � � � � � � ').. � � � ( Kc) FREQUENC Y 7 7 . Fig. Rece i ver Selectivity (Dwg. 377993)
  • Page 115 TYP E K R CARRI E R SET I F FJL TEI:z TEST ClllCUJT 5EC . I ( KC ) Each s ection F L - 2 requirement with typical sel ectivity curve Insertion loss 26 DB max . Including matching resistor . RF FILTER TE5T CIQCUIT ( KC) FREQUENCY...
  • Page 117 I.L. 4 'J.f41A £ � I ALif NM R. C V R. R E L fl\"1 C O I L O (O M M � r G Ro u �o� o o u rP tr r - - J n S W I TC H r�A N S t S T�R.
  • Page 118 TYP E K R CARRI E R SET...
  • Page 120 J::o,. J::o,. -< ""0 )> TRANSMITTER OUTPUT ¢ RECEIVER SENSITIVITY V ARIA TIONS WITH F R£QU£NC Y �· -t .., + Go ;; .., � � -s e- """ 0... '//"- ..s,?- ,t,..-. I N CREASI NG SENSITI VI TY I NCREASING OUTPUT ;:·...
  • Page 122 TYP E K R CARRI E R S ET COA X -=-� l_-"- - - - - _t -� � .J Fig, 20, Vo ice Adapter Extens ion - Mount ing A s sembly (Owg. 757 0650 - Sub, 3) •...
  • Page 124 W E S T I N G H O U S E E L E C T R I C C O R P O R A T I O N Printed in U . S. A . N E WA R K , N . J .

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