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TABLE OF CONTENTS

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Page

I. GENERAL DESCRI PTION

Technical Summary

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I ntroduction.

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Basic Principles

•

. . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .

Advantages of Single-Sideband, Suppressed Carrier Communication

. . . . . . . .

System A.pplication.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Physical Description.

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Electrical Layout.

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2.
3.

4.
5.

I I. CI RCUI T ARRANGEMENT

General

Suppressed Carrier Transmission ......................... ......

Transmission with Carrier

•

Reception ........................ .......................

Power and Control Circuits

•

I I I. I NSTALLATION

9
9

12
12
14

Location and Mounting.

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Antenna ....

•

. . . . . . . . . . . . . . . . .

Ground Connection

•

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Power Source

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Remote Telephone Connections.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tubes.

•

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Crystals.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transmitter Channel Alignment

•

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Receiver Channel Alignment.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10.

Teleprinter Connections

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11.

Operational Checks.

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IV. OPERATION

Controls and I ndicators.

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Simplex Radio Telephone Operation.

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Simplex Network Operation

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Telegraph and Teleprinter Operation.

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Duplex Telephone Operation.

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Operation Compatible with AM System

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Shutting Down

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· • .

•

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2.
3.
4.

V. MAI NTENANCE

General

V acuum Tubes

•

Trouble Shooting ..........................................

Checking and Alignment. .

Replacement and Tuning of Mechanical Filters .............................

PARTS LI ST

27
27
27

Содержание SSB-1

Страница 1: ...t z LA I E a I I Cl LA I I z z C cc t LA I cc c en U z I LA I 0 IE en CD IE z Cl C U c ...

Страница 2: ...d R286 have been relocated and their values changed on some sets with Serial Numbers 5601 and above Refer to sketch below and Transmitter Receiver Schematic Fig 29B 2nd BAL 110D 1400KC V206 12AT7 TP202 TO TO C312 C237 R223 R285 15K l 2W Composition R286 15K l 2W Composition FL201 R235 C24l l C313 l C242 T R22 r TO R227 1st BAL HOD 250KC V207 12AT7 ...

Страница 3: ...17 557 INSTRUCTION BOOK SINGLE SIDEBAND RADIO COMMUNICATION EQUIPMENT TYPE SSB 1 Frequency Range 3 000 to 15 000 Kc 115 230 Volts 50 60 Cycles Manufactured by RADIO CORPORATION of AMERICA COMMERCIAL ELECTRONIC PRODUCTS RADIOMARINE PRODUCTS 75 VARICK STREET NEW YORK 13 N Y ...

Страница 4: ... ...

Страница 5: ...ng 15 2 Antenna 15 3 Ground Connection 15 4 Power Source 15 5 Remote Telephone Connections 15 6 Tubes 17 7 Crystals 17 8 Transmitter Channel Alignment 17 9 Receiver Channel Alignment 20 10 Teleprinter Connections 21 11 Operational Checks 21 IV OPERATION 1 Controls and I ndicators 23 2 Simplex Radio Telephone Operation 23 3 Simplex Network Operation 25 4 Telegraph and Teleprinter Operation 25 5 Dup...

Страница 6: ...e Desk Set 42 20 Transmitter Receiver Top View 43 21A Transmitter Receiver Bottom View Location of Capacitors 44 21B Transmitter Receiver Bottom View Location of Components other than Capacitors 45 21C Transmitter Receiver Components used with M echanical Filters Equipments Serial Nos 5601 and above 46 22 Color Codes 47 23 Antenna Length versus Frequency 48 24 Slug Position of IPA Plate Tank Coils...

Страница 7: ... M E C H A N I C A L SERVICING OF THIS EQUIPMENT SHOULD BE ATTEMPTED ONLY BY QUALIFIED TECHNICAL PERSONNEL AUTHORIZED FOR SUCH WORK OP ERATION OF THIS EQUIPMENT IN VOLVES THE USE OF VOLTAGES WHICH MAY BE DANGEROUS TO LIFE 3 ...

Страница 8: ...nute manual break in operation 60 Words Per Minute teleprinter operation TRANSMITTER POWER OUTPUT 60 watts FREQUENCY STABILITY 0 0005 CLARIFIER RANGE 75 cps 4 TRANSMITTED SIDEBAND Lower UNWANTED SIDEBAND 50 db SUPPRESSION CARRIER SUPPRESSION 50 db HARMONIC SUPPRESSION 56 db AUDIO INPUT a Single Button Carbon Microphone From Local Handset or From Up To 3 Remote Positions b 6 DBM in 600 Ohm Line for...

Страница 9: ... Balanced Modulator V 206 RCA 12AT7 2nd Balanced Modulator V 207 RCA 12AT7 1st Balanced Modulator V 208 RCA 6CL6 4 4mc 16 4mc Crystal Oscillator V 209 RCA 6BE6 1150Kc Crystal Oscillator V 210 RCA 6BE6 250 Kc Crystal Oscillator V 211 RCA 6BA6 RF Amplifier V 212 RCA 6BE6 1st Mixer V 213 RCA 6BE6 2nd Mixer V 214 RCA 6BA6 1st IF Amplifier V 215 RCA 6BA6 2nd IF Amplifier V 216 RCA 12AT7 Demodulator 1st...

Страница 10: ...ent AM system which uses a frequency band of about 6Kc Figure 2 illustrates the frequency spread of each system b The SSB 1 transmits intelligence at a much higher level than that transmitted by an AM system of equivalent power Figure 2 illustrates the relative power levels of the radiated intelligence of both systems c The SSB 1 is much smaller than com parable AM equipment since less power is re...

Страница 11: ...T RAN SM I TTER AEO E V Eft E POWER SUPPLY CHASSIS JB 76 Figure 3 Cabinet Top Raised and Chassis Withdrawn 7 ...

Страница 12: ...ry is contained on the two chassis The lower power supply chassis includes all power supply circuits control circuits the speech clipper and all audio circuits except the receiver first audio amplifier The upper transmitter receiver chassis contains all the r f ci J cuits plus the receiver first audio amplifier stage The equipment operates from either a 115 volt or a 230 volt 50 to 60 cycle single...

Страница 13: ... keying relay KlO1 in the cathode circuit of V106A keys the oscillator When 9 K101 is energized by pressing the telegraph key another contact of the relay energizes the transmit receive relay K201 which connects the antenna to the transmitter Relay K201 is held energized transmit position by a resistance capacitance delay circuit bridging the key off time as long as normal keying is continued This...

Страница 14: ... RECEIVE TRANSMIT RELAY KEYING RELAY K 101 r AF AMPLIFIERS V IOB V 107 B V 216 B 14 1 z l 2 J 6AQ i 12AT7 12AT7 IKC V 207 12AT7 250KC FL 201 V 206 CARRIER OUT r r IN 12 AT7 250KC 1 150KC V 205 12AT7 15650 KC 15650KC V 204 V 201 2 6CL 6 6146 2 TO RELAY KEYING g CRYSTAL CRYSTAL CRYSTAL RECEIVE TR ANSMIT t osc t V 210 6BE6 250 KC M IXER I OEMOO I V 216 A I I V2 2AT7 251KC IF AMPL osc V 209 6BE6 V 214...

Страница 15: ...ate the 17 051 kc _ The single sideband signal 14 249 kc is then fed through the intermediate power amplifier and power amplifier stages at output frequency The IPA stage V204 11 uses a 6CL6 pentode in a conventional Class A power amplifier circuit having a pretuned inductance capacitance network in the plate circuit as selected by sections of the CHAN NEL switch S201 The signal is then applied to...

Страница 16: ...ut of V212 thus contains the sum and difference frequency components 29 899 kc and 1401 kc respectively RF interstage transformer T203 peaked at 1400 kc passes the 1401 kc but rejects the 29 899 kc signal d The resultant signal 1401 kc is fed into the second mixer V213 another 6BE6 converter where it is mixed with the 1150kc output of crystal oscillator V209 to produce sum and difference frequenci...

Страница 17: ...8 I I I f PLATES c 3 V 10 5 7 F 105 0 25A I PLATES I V 1078 V 104 C R IO q V 108 i eRELAV K 201 I I I V 211 V 212 V 213 V 214 v 215 RECEIVER I I PLATE S GRIDS V 203 V 216 5 102 F 102 0 5A T 104 I V 201 V 202 V 203 V 204 V 205 V 206 V 207 k I I KEY SPEECH _j POWE R _ CLIPPER I KEYING OS 103 T 10 5 RELAY PLATES FILAMENTS I t I ITV KiO I A I g I R 14 0 R 139 I PLATES V 401 I 2 Jl 2 I V 402 1 r1 LO l ...

Страница 18: ...sed to 14 operate the antenna transfer relay K201 d Turning TRANSMITTER switch S103 on energizes transformers T101 and T102 and lights the TRANSMITTER lamp DS101 T101 supplies filament power for all the transmit ter tubes T102 supplies plate voltage for the HV rectifiers V101 and V102 type 5R4GY connected in a full wave center tap circuit with plates in parallel to supply 600 volts de through a si...

Страница 19: ... 78 0 58 5 46 8 39 0 33 4 29 3 26 0 23 4 21 3 19 5 18 0 16 7 15 6 15 As an example for 14 250 kc carrier the length of antenna would be approximately 16 4 feet If difficulty is experienced in load ing the antenna on the highest frequency channel the antenna should be shortened slightly 1 or 2 feet at a time until proper loading is obtained 3 G R 0 U N D C 0 N NE C T I 0 N The SSB 1 should be groun...

Страница 20: ... l r l 9 0 co co ooooo J 0 0 0 0 21l 1 2 f2 3 8 CLEARANCE REQUIRED FOR WITHDRAWAL OF ANY UNIT N II II 18 1 l f I I I 3 c J I I II l t54 II 18 4 WEJGHT J49LBS Figure 1 Outline Dimensions 16 ...

Страница 21: ...02 and Y201 in the frequency range of 8100 kc to 16 400 kc NOTE For convenience in operation crystals should be placed in order of fre quency ascension from the rear to the front of 17 the chassis i e the lowest in channel 1 posi tion the next higher in channel 2 etcetera Install channel crystals as follows a Withdraw the crystal oven from its socket E201 for channel 4 for 15 650 kc as an example ...

Страница 22: ...46 0 CRYSTAL 0 L 214 0 0 CHANNELS VEN L215 0 3 4 C215 R CVR RF GR L216 L217 ID COILS FRON T PANEL IB 378 Figure 8 Location of Channel Alignment Components on Transmitter Receiver Chassis CHANNEL FREQ OSC TRIMMERS NOTE e 8 2 8 3 8 4 I CRYSTALS I THROUGH4 NORM ALLY SHOULD BE PL ACED IN THE ORDER OF FREQUENCY ASCENSION 7 Y203 Y202 7 Y201 5 5 2 CHANNEL CRYSTALS ARE 1400 KC HIGHER THAN OPER ATING FREQU...

Страница 23: ... Me 10 7 13 0 Me 13 0 15 0 Me Cold End of Coil 8 1 2 9 1 2 10 1 2 11 1 2 12 1 2 13 1 2 Thus at 14 250 kc carrier the number of turns would be 13 1 2 e Rotate ANTENNA COUPLING CAP 1 C 201 for maximum capacitance fully coun terclockwise f Set tap 1 of ANTENNA TUNING COIL L 201 on the turn closest to the ANT TERM post g Repeat steps through _ above for channels 2 3 and 4 h Remove the antenna connecti...

Страница 24: ...depress the key Increase TRANSMITTER GAIN until PEAK MODULATION INDICATOR lights Full load conditions exist when the indicator lights coincident with a milliameter indication of 150 rna s If the PLATE MODULATION INDICA TOR lights coincidentally with a plate current 20 indication below 150 rna an undercoupled condition exists Adjust ANTENNA COUP LING CAP 1 C 201 clockwise in small in crements After...

Страница 25: ...he RECEIVER GAIN control fully clockwise d Adjust the REC RF GRID COIL 1 L 217 for maximum noise response of the SSB 1 speaker e Adjust the REC 1st MIXER GRID COIL 1 L 221 for maximum noise response of the speaker _ Align the receiver for channels 2 3 and 4 by using the respective circuit tuning elements for each channel and following the procedures of steps through above 10 T E L E P R I N T E R ...

Страница 26: ...CONTROi S I OUOSPEA R LOUDSP AK R HANOS T TRANSFER SWITCH CA RfER SWITQt TEi EGRAPH ICEY tACI CI AHRI SEI CfOil RECEW R 9AI CONTROl Cl ARIFIE tt OPERATING INSTRUCTIONS POWER CONTROl SWITCH i OCAL TEL EPHONE HANPSET Figure 10 front Panel Controls 22 ...

Страница 27: ...rol for low level background noise 11 Press the push to talk switch on the handset and call the distant station While speaking into the microphone adjust the TRANSMITTER GAIN control to obtain intermittent flashing of the PEAK MODU LATION INDICATOR lamp To obtain the most effective modulation the adjustment should be such that the PEAK MODULATION INDICATOR lamp flashes once or twice on every word ...

Страница 28: ...n monitoring a channel or for desired volume when receiving Compensates for slight frequency differences be tween two SSB 1 s Nqrmally set for clear voice reproduction POWER SUPPLY UNIT Toggle switch 2 positions Rotary switch 4 positions Neon lamps white Toggle switch 2 positions Toggle switch 2 positions Neon lamp white Toggle switch 2 positions Neon lamp Amber Toggle switch 2 positions Neon lamp...

Страница 29: ...R GAIN control to obtain intermittent flashing of the PEAK MODULATION INDICATOR lamp Break in operation is a feature of the SSB 1 i e pressing the telegraph key automatically switches the unit from receive to transmit A delay circuit holds the unit in the transmit condition during fast keying A slight pause will allow the break in relay to switch to the receive condition 25 SS B 1 TRANSMITTER RECE...

Страница 30: ... the local calling devices when a calling signal is received Operation of the SSB 1 equipments is simi lar to the procedure in paragraph 2 above 6 OP E R ATION C O M PATI BLE WI TH A M SYST E M An SSB 1 equipment can be operated in any standard AM system by setting CA R RIER switch B to the IN position 7 SHUT T I N G D 0 W N When shutting down for short periods of time turn the TRA NSMITTER and R ...

Страница 31: ...0ma D C Milliammeter Calibrated Audio Oscillator Dummy Antenna Any 75 watt non 27 inductive resistor with a resistance between 10 and 80 ohms in series with a transmitting type mica capacitor of at least 300 uuf b TEST PROCE DURE Performance of these tests presupposes that the technician is familiar with the operating procedures given in Section IV Follow the step by step procedure checking that p...

Страница 32: ... a c CD c a 00 CD n 0 1 CD 1 CD a ...

Страница 33: ...6CL6 V212 V203 0 V209 0 I V213 0 6BE6 0 V216 6BE6 0 6BA6 V201 V202 6BE6 0 0 12AT7 V211 D D V215 6146 6146 0 0 D V214 6BA6 0 6BA6 6BA6 TRANSMITTER RECEIVER CHASSIS VI 0 2 VI04 0 0 VI03 5R4GY OA3 VR75 0 V105 0 5R4GY 003 VRI50 Vl07 VI 06 5 EECH CLIPPER 0 0 O V402V401 12AT7 12AT7 6AL5 0 6AU8 POWER SUPPLY CHASSIS 12492 52 Figure JS Tube Loc tion Diagram 29 ...

Страница 34: ...ARIFIER control C 268 is the trimmer across the 1150 kc output Zero beat with the standard should occur near the center of the SPEECH CLARIFIER range 30 c RECEIVER 1 Turn POWER and RECEIVER switches on Set RECEIVER GAIN control fully clockwise 2 Insert a VTVM at TP 101 on the power supply chassis Use the AC scale Inject a 251 kc unmodulated signal at TP 205 and tune the primary bottom of T 204 and...

Страница 35: ... b e r of required turns relative to the desired frequency is given in Section ill par 8 and also shown in graphical form in figure 24 31 7 Place tap 1 of P A TUNING COIL L 202 at the number of turns from the cold end end closer to ANTENNA TUNING COIL required to tune to the desired output frequency of channel 1 The required number of turns relative to the desired frequency is given in Section ill...

Страница 36: ...tion for full load con ditions on all channels 32 NOTE If an audio oscillator is not avail able the tone oscillator in the SSB 1 may be used Follow channel alignment proce dure as described in Section III paragraph 8 26 PA NEUTRALIZ ATION The set ting of the PA neutralizing capacitor C 215 will very seldom require adjustment Need for re neutralization will be apparent if ex cessive plate dissipati...

Страница 37: ...9 V 210 _i 211 V 212 3 V 214 v 21_5 ____ v 216 o c V 401 V 402 0 0 0 88 26 5 80 192 0 0 0 44 49 162 137 120 0 1 35 _ 0 0 o 1 5 1 0 0 71 187 3 CONDITIONS 600 600 212 73 0 0 30 5 6 6 3 ac 6 3 ac 0 0 0 0 0 6 3 0 0 1 4 0 68 r _ 0 8 1 6 1 65 0 7 j 0 2 8 0 0 0 1 65 6 3 ac 190 190 0 172 3 4 2 85 c 3 2 140 0 0 0 0 0 0 0 22 0 720 ac 720 ac 300 ac 190 6 3 acTP 6 3 ac 6 3 ac 0 0 0 6 3 ac 0 6 3 ac 6 3 ac 6 3a...

Страница 38: ...LTAGE 195 140 0 2 5 90 0 195 140 0 2 5 90 0 195 140 0 2 5 90 0 KEY UP RESISTANCE 170K Inf 0 l OK 6 0K 100 170K Inf 0 l OK 6 0K 100 170K Inf 0 l OK 6 0K 100 B READINGS TAKEN WITH 20 000 0HM VOLT O HMMETER SIMPSON 260 TB 102 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I 17 18 I KEY UP VOLTAGE 85 85 6 3ac 6 3ac 6 3ac 44 5 142 194 194 0 630 0 0 0 0 0 KEY DOWN VOLTAGE 0 80 6 3ac 6 3ac 6 3ac 44 5 142 194 0 1...

Страница 39: ...continuous duty over long periods of time without maintenance it may become neces sary to replace one because of failure due to overloading burn out or physical damage Direct replacement of one filter by another of the same type will require no special pro cedure except that irr equiprnents Serial Numbers 5601 and above the new filter will require tuning in accordance with paragraph c below In cas...

Страница 40: ...apacitors is shown in Figure 31C 36 TO TUNE TRANSMITTER SIDEBAND FILTER FL201 1 Set filter tuning capacitors C312 and C 313 approximately in mid position 2 Connect the output from an Audio Oscillator to terminal 4 on one of the Remote Desk Set terminations on TB103 Connect the corresponding terminal 5 to terminal 3 ground 3 Set controls on the SSB 1 as follows TELEGRAPH PHONE to PHONE LOCAL REMOTE...

Страница 41: ...rated Increase RECEIVER GAIN and or Signal Generator output until an audio beat is heard in the speaker Vary Signal Generator frequency slightly if no beat 37 is hear at first 6 Adjust output of SignalGenerator and Audio Oscillator to give approximately the same level in the speaker 7 Vary Signal Generator frequency to zero beat withAudio Oscillator in speaker 8 Remove Audio Oscillator and proceed...

Страница 42: ...z 0 1 3 t r l r n ...

Страница 43: ... f t f f f f f f f f c f c f f 4 f f f c e f c f c c f f f f c e e t t YIQ 1 TIOI Tl02 Figure 16 Power Supply Top View 39 VIOS V401 PlOt LIOI Tl05 LI02 Vl06 l F10 5 18 385 Fl04 FI03 FI02 FIOl Vl0 7 _j ...

Страница 44: ...R i5 Rl23 Cl22 T R114 c Figure 17 Power Supply Bottom View 40 116 rs as6 I J I I I I ...

Страница 45: ... f f c t f c f f f t f f c c c t c f c f f f Figure 18 Speech Clipper Internal View 41 ...

Страница 46: ...5 5 01 FRONT SOTTOM COVER OPEN 18 1 8 Figure 19 Remote Desk Set 42 I I I I I I J ...

Страница 47: ... V209 L213 C276 E20l V2 6 T205 V215 R215 C251 ANT POST L wd C215 GND POST L201 T 20 6 V213 V214 L 221 L L 217 _ T203 l 216 L215 V211 L214 I _ I _ fr P L 219 204 J201 L218 V212 C204 L202 C205 C203 C2 06 R201 K201 C211 C207 C202 C212 C208 C 2 01 L203 V201 lB 389 figure 20 Transmitter Receiver Top View 43 ...

Страница 48: ...247 C245 C244 I C242 C256 C236 C223 C238 C235 C237 I C257 C253 J C230 C255 C229 t C228 C254 C288 C2791 Ul r 1 C23l C232 t CR20f CR202 C22 1 C2 59 C261 C 285 C213 C209 C217 C210 C216 C283 C260 C220 C258 C223 C218 C21 9 C2 2 2 IB 390A Figure 21A Transmitter Receiver Bottom View Location of Capacitors 44 ...

Страница 49: ... 8 R 219 R267 R272 R273 R252 R256 R264 R266 R265 R253 R255 R261 R254 R 2 51 R262 R263 R260 R257 R258 R2 59 R222 R2 7 R220 R221 R202 L204 R206 R205 S201 B S201 A S201 C S201 D L209 L212 R208 R203 R207 R204 Figure 218 Transmitter Receiver Bottom View Location of Components other than Capacitors 45 R223 R236 R237 S201 G R235 R234 S20 F S201 E L211 R210 R211 R 212 R213 R214 L210 R209 R238 R239 R2 40 R...

Страница 50: ...E MFU 250 1 FILTERS C313 A20l C242 R285 C312 A201 R286 C238 C313 A201 A201 ma C24a C3i5 A201 C238 C294 _ C312 A20l TYPE F 250 Z 4 FILTERS Figure 21C Transmitter Receiver Components Used with Mechanical Filters Equipments Serial Nos 5601 and above 46 ...

Страница 51: ... ALL AXIAL LE AD MICA VOLTAGE RATINGS IN HUN CAPACITORS HAVE A VOLTAGE DREDS OF VOL TS ONE CO LOR RATING OF 300 11 500 VOLTS BAND EMPLOYED FOR R ATINGS THE MAXI MUM CAPACITY UNDER 1000 VOLTS OBTA IN ABLE IS 100000 1111f THE COLOR CODE GIVES THE COLOR CO E GIVES THE CAPACITY IN l lf THE CAPACITY IN 1111f RMA 6 DOT SYSTEM BAND SYSTEM WHITE 1g DIGIT7_ 2 9 DIGIT 2 DIGIT MULTIPLIER 1g DIGIT TOLERANCE 1...

Страница 52: ... ANTENNA SEE PAR 2 SECTIONm 8 9 tO r 15 r r 20 FREQUENCY in MEGACYCLES 18391 Figure 23 Antenna Length versus Frequency SLUG POSITI ON OF IPA r PLATE TANK COILS 1 SEE PAR 8 _ SEC 3 r SER NOS 5501 TO 55250 SER NOS 5601 AND ABOVE CHANNEL I82 CHANNEL384 l 1 I 1 I r I i I I I I I 3 4 5 6 7 8 9 tO 15 20 FREQUENCY in MEGACYCLES 18392 Figure 24 Slug Position of IPA Plate Tank Coils 48 I t t I I t t cl ...

Страница 53: ... 62 I IIIIII llr J 3 4 1 v IV 5 6 i I 7 e 9 to FREQUENCY in MEGACYCLES TAP POSITION OF I P A TANK COIL L 202 SEE PAR Bd SEC m I CHANNEL 3 a 4 15 20 18393 Figure 25 Tap Positions of Plate Tank Coil L 202 I CHAN NEL I a 2 I r t I 1 3 4 5 6 7 8 9 FREQUENCY in MEGACYCLES RECEIVER R F GRID C OIL 1 SEE PAR 9 SEC 3 1 SER NOS 5501 TO 55250 1 SER NOS 5601 AND ABOVE I I CHANNEL 3 a 4 tO 15 20 18 394 Figure ...

Страница 54: ...L _L_ 0 2 L _L_ lll RECEIVER MIXER GRID COIL r SEE PAR 9 _ SEC 3 l r SER NOS 5501 TO 55250 r SER NOS 5601 AND ABOVE f 1 1 CHANNEL I 8 2 CHANNEL 3 8 4 1 I I _ r I L_ r 3 4 5 6 7 8 9 10 15 20 FREQUENCY in MEGACYCLES IB 395 figure 27 Slug Position of Receiver Mixer Grid Coils 50 ...

Страница 55: ...oupling Bias decoupling For Serial Noso 5501 to 55250 NOT USED For Serial Nos 5601 to 56200 Bracket Radiomarine DwgA 1214592 For Serial No 56201 and above cket Radiomarine Dwg A 1214593 Capacitor Electrolytic 125 uf 10 40 450 v w cardboard insulating tube Sprague Type DFP Capacitor Electrolytic 125 uf 10 4u 450 v Sprague Type DFP Same as ClOl Capacitor Electrolytic 100 uf 10 40 150 v Sprague Type ...

Страница 56: ...hannel 2 loading Same as C201 capacitor _ C203 I 2 Channel 3 loading Capacitor Var Mica 340 1070 uuf 500v El Menco I capacitor Type 307M C204 I Channel 4 loading Same as C203 capacitor I C205 I 4 Channel 4 tuning Capacitor Var Air 12 250 uuf 1500 v Bud Type I capacitor CE2007 C206 I Channel 3 tuning Same as C205 capacitor C207 I Channel 2 tuning I Same as C205 capacitor C208 I Channel 1 tuning I S...

Страница 57: ...71K IPA screen bypass Same as C105 capacitor IPA screen bypass Same as C105 capacitor IPA cathode bypass Same as C105 capacitor V205 balanced modulato Capacitor Var Air 6 7 140 uuf 600 v Hammerlund 078 012 channel 4 tuning Type APC 140 capacitor V205 balanced modulator Same as C224 channel 3 tuning capacitor V205 balanced modulator Same as C224 channel 2 tuning capacitor V205 balanced modulator Sa...

Страница 58: ...ter input tuning Same as C2SO C242 1 FL201 filter input tuning For Serial Nos 5501 to 55250 Capacitor Mica 82 uuf tlO 500 v JAN CM20B820K 066 141 2 Eor Serial Nos 5601 to 56200 Capacitor Mica 62 uuf 5 50G v JAN CM20B620J 066 246 For Serial No 56201 and above Same as C2S8 C24S FL201 filter input tuning Same as C2S4 and balancing capacitor C244 V207 plate bypass Same as Cl05 C245 V207 cathode bypass...

Страница 59: ...pacitor 06 030 CR202 bypass capacitor Same as C105 V209 plate bypass cap Same as C105 acitor V213 oscillator input Same as C260 capacitor V209 plate tuning capac Capacitor Mica 750 uuf j 5 300 v Jan 066 910 itor CM20B751J V209 screen bypass cap Same as C105 acitor V209 coupling capacitor Same as C105 1150 kc crystal feed Same as Cll8 back capacitor 1150 kc crystal tuning Capacitor Var Air 6 50 uuf...

Страница 60: ... C105 V212 plate bypass Same as C105 T203 input tuning Same as C232 T203 output tuning Same as C232 V213 cathode bypass Same as C105 V213 screen bypass Same as C105 FL202 coupling Same as C105 V213 plate bypass Same as C105 Receiver gain control Same as C105 bypass FL202 input tuning For Serial Nos 5501 to 55250 and 56201 and above Same as C238 For Serial Nos 5601 to 56200 Same as C242 FL202 outpu...

Страница 61: ...ove Capacitor Variable Ceramic 20 125 uuf 078 175 Centralab 823 AN FL201 filter tuning Same as C312 FL202 filter tuning Same as C312 FL202 filter tuning Same as C312 V208 crystal oscillator Crystal Diode Germanium Type 1N34A 115 021 output level equalizer V208 crystal oscillator Same as CR201 output level equalizer Transmitter on Dial Light neon red including mounting nut Omni 262 293 indicator Gl...

Страница 62: ...For V208 For V209 For V210 For V211 For V212 For V213 For V214 For V215 For V216 1 Main line protection 1 Oven protection 1 Receiver protection 1 Transmitter protection 1 Low voltag e protection Tube shield Elco Type 200 For Serial No 5601 and above Tube shield JAN TS102U02 For Serial Nos 5501 to 55250 Tube shield Elco Type 227 modified per Radio marine Dwg A 1214334 For Serial No 5601 and above T...

Страница 63: ...pass 250 kc upper side band 3 c bandwidth at 6 db Type MFU 250 1 Same as FL201 Handset with 4 foot 4 conductor rubber covered retrax cable 10 inches retracted approximate Roanwell Corporation Type 10219 SocLet octal cadmium plated brass contact Elco Type 335 Same as J101 Jack teiephone type open circuit Switchcraft Type 11 Same as J103 Jach meter twin tip shorting type Johnson Type 105 432 Relay c...

Страница 64: ...Inductance 1 5 7 5 uh Radiomarine Dwg B 1239611 lA Channel 3 input tuning Sa me as L214 for V211 Channel 2 input tuning EQr Serial NQs 55Q1 tQ 55250 for V211 Inductance 7 5 3 7 5 uh Radiomarine Dwg B 1239561 2A For Serial No 5601 and above Inductance 7 5 37 5 uh Radiomarine Dwg B 1239611 2A Channel 1 input tuning Same as L216 for V211 Channel 4 V211 Same as L207 plate tuning Channel 3 V211 Same as...

Страница 65: ...8 in slotted 3 64 in by 1 16 in shaft 3 8 in locking bushing Mallory Type LC50MP with no 232 nut no 227 lockwasher and A700469 2 locknut Speech clipper Resistor composition 1 000 ohms tlOo o 1 w I decoupling JAN RC32BF102K Receiver blocking Resistor composition 33 000 ohms dO 2 w I bias resistor JAN RC42BF333K Keying resistor Resistor composition 10 000 ohms oc10o o 1 2 w I JAN RC20BF103K V106 pla...

Страница 66: ...resistor Same as R121 V107 cathode resistor Resistor composition 2 700 ohms 10 1 2 W JAN RC20BF272K V107 plate resistor Same as R105 V107 plate decoupling Resistor composition 22 000 ohms 10 1 W JAN RC32BF223K AF amplifier feedback Same as RllO V108 grid resistor Same as Rl13 V108 cathode resistor Resistor composition 220 ohms 10 1 2 W JAN RC20BF221K Handset isolation Resistor composition 100 ohms...

Страница 67: ... grid resistor V206 balance modulator balance adjustment V206 balance modulator plate decoupling V206 balance modulator cathode resistor 2 Transmitter blocUng bias Transmit ter blocking bias 4 V206 balance modulator grid resistor 6 Same as R139 Same as R104 Resistor composition 47 000 ohms 10 1 w JAN RC32BF473K Resistor wirewound 4 3 ohms 10 1 2 w IRC Type BW 1 2 Same as R202 Same as R125 Same as ...

Страница 68: ...or Same as RllO plate decoupling resisto V207 balance modulator Same as R125 cathode resistor V207 balance modulator Same as R139 grid resistor V207 balance modulator Same as R139 grid resistor V207 balance modulator Same as R116 grid isolation resistor V207 balance modulator Same as R116 grid isolation resistor Transmitter gain Resistor composition variable dual 100 000 ohms control 1 2 W linear ...

Страница 69: ... cathode resistor V212 screen resistor V212 plate decoupling Same as R238 Resistor composition 15 000 ohms 10 2 w JAN RC42BF153K Resistor composition 180 ohms 10 1 2 w JAN RC20BF181K Same as R105 Resistor composition 10 000 ohms 10 2 w JAN RC42BF103K Same as R201 Same as R116 Same as R201 Same as Rl16 Same as R243 Resistor composition 10 000 ohms 10 1 w JAN RC32BF103K Same as R201 Resistor composi...

Страница 70: ... Resistor wirewound variable 5 000 ohms 2 w taper II 7 8 in round shaft 3 8 in bushing left and or right hand locating lugs Mallory Type R5MP with no 232 nut and no 227 lockwasher Receiver gain voltage Same as R238 divider Receiver gain voltage Same as R238 divider V215 grid resistor Same as R112 V215 cathode resistor Same as R137 V215 screen resistor Same as R105 T205 input swamping Same as R269 ...

Страница 71: ...ition Radiomarine Dwg A 1214336 Switch Rotary 1 section 4 position Radiomarlne Dwg A 1214337 sub 1 Switch Rotary 2 section 4 position Radiomarine Dwg A 1214338 Switch Rotary spdt 3 8 in bushing 7 8 in shaft Oak Type no 23 Transformer Power step down primary 107 117 v ac 60 cycles secondaries 5v CT at 6 amp 6 3v CT at 6 amp impregnated Stancor Type P4022 Transformer Power step up primary 117v 60 cy...

Страница 72: ...ceiver output I Tip Jack red Johnson Type 105 602 1 V205 input I Same as TP101 V206 input I Same as TP101 V207 input I Same as TP101 V212 input I Same as TP101 V213 input I Same as TP101 3 600v full wave 1 Electron Tube full wave r ectifier 5R4GY rectifier 600v full wave rectifier 200v full wave rectifier 1 75v bias regulator 1 150v regulator 6 Tone oscillator mike Cathode follower AF amplifier 1 ...

Страница 73: ...201 oven Same as J 101 Mounting for E202 oven Same as JlOl Mounting for E203 oven Same as JlOl Mounting for F101 Fuseholder 5 unit Littelfuse Type 357005 I Mounting for Vl01 Same as JlOl Mounting for V102 Same as JlOl Mounting for V103 Same as JlOl Mounting forV104 Same as JlOl Mounting for V105 Same as J 101 Mounting for Vl06 For Serial Nos 5501 to 55250 Socket 9 prong nova 0 125 in dia mounting ...

Страница 74: ... crystal Y203 Channel 2 crystal Y204 Channel 1 crystal Y205 1 Local oscillator Y206 1 Local oscillator PARTS LIST Cont d Name and Description T RAN SM ITTER RECEIVER UNIT Same as JlOl Same as J101 Same as XV108 Same as XV106 Same as XV106 Same as XV106 Same as XV106 Same as XV106 Same as XV108 Same as XV108 Same as XV108 Same as XV108 Same as XV108 Same as XV108 Same as XV108 Same as XV106 Crystal...

Страница 75: ...me as C105 Capacitor Ceramic 001 uf guaranteed minimum value 500 v Disc Type Same as C105 Same as C125 For Serial Nos 5501 to 55250 Tube shield Elco Type 190 For Serial No 5601 and above Same as E101 For Serial Nos 5501 to 55250 Tube shield Elco Type 127 For Serial No 5601 and above Tube shield JAN TS102U01 Plug in socket turret with octal plug one seven pin miniature socket and one nine pin noval...

Страница 76: ...ion REMOTE DESK SET Telephone mounting w dpst switch bottom plate and mounting feet Connecticut Telephone and E lectric Co Type PL 15110 modified per Radiomarine Dwg C 1241360 Dial Light neon red including mounting nut Omni glow Type 1010Al Handset with 4 feet of 4 conductor rubber covered cable Roanwell Corp Type 10218 Terminal Board 8 terminals Jones Type 8 140 72 Stock Number 216 250 262 293 16...

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