[ARC5] SCR-A*-183/-283 Command Set Summary For All 21 Known Models
John Hutchins
jphutch60bj at gmail.com
Wed Nov 12 21:44:08 EST 2014
Mike
You need to add this to Wikapedia good information
https://en.wikipedia.org/wiki/Signal_Corps_Radio
Guys this is real good stuff.
Thanks
Hutch
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On 11/12/2014 12:03 PM, Mike Morrow wrote:
> --------------------------------------------------------------------------------
> SCR-A*-183/-283 COMMAND SET SUMMARY
> FOR ALL 21 KNOWN MODELS
> (KK5F – 2014-11-11)
> --------------------------------------------------------------------------------
> ---LEGEND---
> *** SYSTEM *** SYSTEM VOLTS
> RECEIVER TRANSMITTER JUNCTION BOX DYNAMOTOR MADE BY DATE
> CONTROL BOX CONTROL BOX ANTENNA RELAY ORDER NO.
> COILS kHz COILS kHz
> NOTES
>
> --------------------------------------------------------------------------------
>
> ***SCR-AA-183*** 14 VDC
> BC-AA-179 BC-AA-180 TM-AA-153 BD-AA-69 ARC 06-25-1932
> BC-AA-181 BC-AA-182 NONE SC-132311
> C-97 224- 448 C-* 6200-7700
> C-102 4150-7850 *No coil number
> Receiver - Modes: Tuned Radio Frequency – Receives TONE (A2), VOICE (A3)
> Receiver Stages: RF AMP1, RF AMP2, RF AMP3, RF AMP4 (VT-49 –> 39/44)x4
> DETECTOR/AVC (VT-37 –> 37)
> AF AMP (VT-38 –> 38)
> Loop Connection: None
> AUTO/MANUAL Volume: AVC is applied to first two RF amplifier stages.
> MVC is applied to first three RF amplifier stages.
> In AUTO, BC-AA-231 output control changes receiver audio
> output and transmitter side-tone levels in headphone.
> Screen Volt Divider: In dynamotor unit
> AF Output Impedance: HIGH or LOW selected by internal wiring
> AF Low Pass Filter: In AF transformer primary
> Transmitter Modes: CW (A1), TONE (A2), VOICE (A3)
> Transmitter Stages: MASTER OSCILLATOR (VT-25 –> 10Y)
> POWER AMPLIFIER (VT-25 –> 10Y)
> PA PLATE MODULATOR (VT-25 –> 10Y)
> TONE OSCILLATOR (VT-52 –> 45SPL)
>
> --------------------------------------------------------------------------------
>
> ***SCR-AB-183*** 14 VDC
> BC-AD-219 BC-AD-200 TM-AD-167 BD-AD-81 Graybar 04-19-1934
> BC-AD-201 BC-AD-202 BC-AD-198 Electric SC-132362
> C-123 200- 370 C-140 6200-7700 for WECo
> 4200-7700
> NOTES on circuit details are the same as shown for SCR-AA-183 except:
> Loop Connection: Three-Pin Plug
> AF Output Impedance: HIGH
>
> --------------------------------------------------------------------------------
>
> ***SCR-AC-183*** 14 VDC
> BC-AB-199 BC-AB-200 TM-AB-167 BD-AB-69 ARC 03-15-1934
> BC-AB-201 BC-AB-202 BC-AB-198 SC-132350
> C-127 224- 448 C-140 6200-7700
> C-128 400- 800 C-141 3050-3800
> C-129 800-1600
> C-130 1600-3000
> C-131 2500-4700
> C-132 4150-7850
> NOTES on circuit details are the same as shown for SCR-AA-183 except:
> Loop Connection: Two Push-Terminal Posts
>
> --------------------------------------------------------------------------------
>
> ***SCR-AD-183*** 14 VDC
> BC-AD-199 BC-AD-200 TM-AD-167 BD-AD-69 Graybar 03-15-1934
> BC-AD-201 BC-AD-202 BC-AD-198 Electric SC-132351
> C-127 224- 448 C-140 6200-7700 for WECo
> C-128 400- 800 C-141 3050-3800
> C-129 800-1600
> C-130 1600-3000
> C-131 2500-4700
> C-132 4150-7850
> NOTES on circuit details are the same as shown for SCR-AA-183 except:
> Loop Connection: Three-Pin Plug
>
> --------------------------------------------------------------------------------
>
> ***SCR-AE-183*** 14 VDC
> BC-AE-229 BC-AE-230 TM-AE-172 BD-AE-83 ARC 06-05-1935
> BC-AE-231 BC-AE-232 BC-AE-198 SC-132368
> C-166 224- 448 C-180 6200-7700
> C-167 400- 800 C-181 3050-3800
> C-168 800-1600
> C-169 1600-3000
> C-170 2500-4700
> C-171 4150-7850
> Receiver - Modes: Tuned Radio Frequency – Receives TONE (A2), VOICE (A3)
> Receiver Stages: RF AMP1, RF AMP2, RF AMP3, RF AMP4 (VT-49 –> 39/44)x4
> DETECTOR/AVC (VT-37 –> 37)
> AF AMP (VT-38 –> 38)
> AUTO/MANUAL Volume: AVC is applied to first two RF amplifier stages.
> MVC is applied to first three RF amplifier stages.
> In AUTO, BC-AE-231 output control changes receiver audio
> output and transmitter side-tone levels in headphone.
> Loop Connection: Three-Pin Plug
> Screen Volt Divider: In receiver unit
> AF Output Impedance: HIGH
> AF Low Pass Filter: In AF transformer secondary
> Transmitter Modes: CW (A1), TONE (A2), VOICE (A3)
> Transmitter Stages: MASTER OSCILLATOR (VT-25 –> 10Y)
> POWER AMPLIFIER (VT-25 –> 10Y)
> PA PLATE MODULATOR AND TONE OSC (VT-52 –> 45SPL)x2
> Crystal Control: C-184 4000-5000, 4495 kHz crystal
>
> --------------------------------------------------------------------------------
>
> ***SCR-AF-183*** 14 VDC
> BC-AF-229 BC-AF-230 TM-AF-172 BD-AF-83 WECo 07-27-1935
> BC-AF-231 BC-AF-232 BC-AF-198 10999-NY-36
> C-183 201- 398 C-196 2500-3200
> 2500-4700 C-197 3200-4000
> C-185 201- 398 C-198 4000-5000
> 4150-7700 C-199 5000-6200
> C-191 2500-4700 C-200 6200-7700
> C-192 4150-7850 C-201 3050-3800
> NOTES on circuit details are the same as shown for SCR-AA-183 except:
> Loop Connection: Three-Pin Plug
> Crystal Control: C-182 4000-5000, 4495 kHz crystal
>
> --------------------------------------------------------------------------------
>
> ***SCR-AG-183*** 14 VDC
> BC-AG-229 BC-AG-230 TM-AE-172 BD-AG-83 ARC 11-25-1935
> BC-AE-231 BC-AE-232 BC-AE-198 11482-NY-36
> C-153-A 201- 398 C-216 2500-3200
> 2500-4700 C-217 3200-4000
> C-155-A 201- 398 C-218 4000-5000
> 4150-7700 C-219 5000-6200
> C-171 2500-4700 C-220 6200-7700
> C-172 4150-7850
> NOTES on circuit details are the same as shown for SCR-AE-183.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AH-183*** 14 VDC
> BC-AH-229 BC-AH-230 TM-AH-172 BD-AG-83 ARC 11-25-1935
> BC-AH-231 BC-AE-232 BC-AE-198 11482-NY-36
> C-153-A 201- 398 C-216 2500-3200
> 2500-4700 C-217 3200-4000
> C-155-A 201- 398 C-218 4000-5000
> 4150-7700 C-219 5000-6200
> C-171 2500-4700 C-220 6200-7700
> C-172 4150-7850
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AH-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AJ-183*** 14 VDC
> BC-AH-229 BC-AH-230 TM-AH-172 BD-AG-83 ARC 08-14-1937
> BC-AH-231 BC-AE-232 BC-AE-198 11748-NY-38
> C-153-A 201- 398 C-216 2500-3200
> 2500-4700 C-217 3200-4000
> C-155-A 201- 398 C-218 4000-5000
> 4150-7700 C-219 5000-6200
> C-171 2500-4700 C-220 6200-7700
> C-172 4150-7850
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AH-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AK-183*** 14 VDC
> BC-AH-229 BC-AH-230 TM-AH-172 BD-AK-83 ARC 01-10-1939
> BC-AH-231 BC-AE-232 BC-AE-198 17875-NY-39
> C-155-A 201- 398 C-216 2500-3200
> 4150-7700 C-217 3200-4000
> C-171 2500-4700 C-218 4000-5000
> C-219 5000-6200
> C-220 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AH-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AL-183*** 14 VDC
> BC-AL-229 BC-AL-230 TM-AH-172 BD-AL-83 Graybar 06-20-1939
> BC-AL-231 BC-AL-232 BC-AL-198 Electric 19070-NY-39
> C-266 2500-4700 C-271 2500-3200
> C-270 201- 398 C-272 3200-4000
> 4150-7700 C-273 4000-5000
> C-274 5000-6200
> C-275 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AL-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AL-283*** 28 VDC
> BC-AL-429 BC-AL-430 TM-AO-202 BD-AL-93 Graybar 06-20-1939
> BC-AL-231 BC-AL-232 BC-AL-408 Electric 19070-NY-39
> C-266 2500-4700 C-271 2500-3200
> C-270 201- 398 C-272 3200-4000
> 4150-7700 C-273 4000-5000
> C-274 5000-6200
> C-275 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AL-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AN-183*** 14 VDC
> BC-AN-229 BC-AN-230 TM-AH-172 BD-AN-83 WECo 10-16-1940
> BC-AN-231 BC-AN-232 BC-AN-198 1246-NY-41
> C-266 2500-4700 C-271 2500-3200
> C-270 201- 398 C-272 3200-4000
> 4150-7700 C-273 4000-5000
> C-274 5000-6200
> C-275 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AN-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> --------------------------------------------------------------------------------
>
> ***SCR-AN-283*** 28 VDC
> BC-AN-429 BC-AN-430 TM-AO-202 BD-AN-93 WECo 10-16-1940
> BC-AN-231 BC-AN-232 BC-AN-408 1246-NY-41
> C-266 2500-4700 C-271 2500-3200
> C-270 201- 398 C-272 3200-4000
> 4150-7700 C-273 4000-5000
> C-274 5000-6200
> C-275 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AN-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AO-183*** 14 VDC
> BC-AO-229 BC-AO-230 TM-AH-172 BD-AO-83 WECo 06-18-1941
> BC-AO-231 BC-AO-232 BC-AO-198 6120-NY-41
> C-346 2500-4700 C-351 2500-3200
> C-350 201- 398 C-352 3200-4000
> 4150-7700 C-353 4000-5000
> C-354 5000-6200
> C-355 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AO-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> Transmitter vacuum tube VT-25-A replaces VT-25.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AO-283*** 28 VDC
> BC-AO-429 BC-AO-430 TM-AO-202 BD-AO-93 WECo 06-18-1941
> BC-AO-231 BC-AO-232 BC-AO-408 6120-NY-41
> C-346 2500-4700 C-351 2500-3200
> C-350 201- 398 C-352 3200-4000
> 4150-7700 C-353 4000-5000
> C-354 5000-6200
> C-355 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> AUTO/MANUAL Volume: In AUTO, BC-AO-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> Transmitter vacuum tube VT-25-A replaces VT-25.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AP-183*** 14 VDC
> BC-AP-229 BC-AP-230 TM-AH-172 BD-AP-83 WECo ??-??-1942
> BC-AP-231 BC-AP-232 BC-AP-198 292-Phila-42
> C-396 2500-4700 C-401 2500-3200
> C-400 201- 398 C-402 3200-4000
> 4150-7700 C-403 4000-5000
> C-404 5000-6200
> C-405 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> Loop Connection: None
> AUTO/MANUAL Volume: In AUTO, BC-AP-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> AF Output Impedance: HIGH or LOW selected by internal wiring. (The AF output
> low pass filter is not used when LOW is connected.)
> Transmitter vacuum tube VT-25-A replaces VT-25.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AQ-283*** 28 VDC
> BC-AQ-429 BC-AQ-430 TM-AO-202 BD-AQ-93 WECo ??-??-1942
> BC-AQ-231 BC-AQ-232 BC-AQ-408 294-Phila-42
> C-396 2500-4700 C-401 2500-3200
> C-400 201- 398 C-402 3200-4000
> 4150-7700 C-403 4000-5000
> C-404 5000-6200
> C-405 6200-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> Loop Connection: None
> AUTO/MANUAL Volume: In AUTO, BC-AQ-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> AF Output Impedance: HIGH or LOW selected by internal wiring. (The AF output
> low pass filter is not used when LOW is connected.)
> Transmitter vacuum tube VT-25-A replaces VT-25.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AR-183*** 14 VDC
> BC-AR-229 BC-AR-230 TM-AH-172 BD-AR-83 WECo ??-??-1942
> BC-AR-231 BC-AR-232 BC-AR-198 68-WF-42
> C-376 2500-4700 C-381 2500-3200
> C-377 4150-7700 C-382 3200-4000
> C-379 201- 398 C-383 4000-5000
> 2500-4700 C-384 5000-6200
> C-380 201- 398 C-385 6200-7700
> 4150-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> Loop Connection: None
> AUTO/MANUAL Volume: In AUTO, BC-AR-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> AF Output Impedance: HIGH or LOW selected by internal wiring. (The AF output
> low pass filter is not used when LOW is connected.)
> Transmitter vacuum tube VT-25-A replaces VT-25.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AR-283*** 28 VDC
> BC-AR-429 BC-AR-430 TM-AO-202 BD-AR-93 WECo ??-??-1942
> BC-AR-231 BC-AR-232 BC-AR-408 68-WF-42
> C-376 2500-4700 C-381 2500-3200
> C-377 4150-7700 C-382 3200-4000
> C-379 201- 398 C-383 4000-5000
> 2500-4700 C-384 5000-6200
> C-380 201- 398 C-385 6200-7700
> 4150-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> Loop Connection: None
> AUTO/MANUAL Volume: In AUTO, BC-AR-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> AF Output Impedance: HIGH or LOW selected by internal wiring. (The AF output
> low pass filter is not used when LOW is connected.)
> Transmitter vacuum tube VT-25-A replaces VT-25.
>
> --------------------------------------------------------------------------------
>
> ***SCR-AS-183*** 14 VDC
> BC-AS-229 BC-AS-230 TM-AH-172 BD-AS-83 Philco ??-??-1942
> BC-AS-231 BC-AT-232 BC-AS-198 2534-WF-42
> C-436 2500-4700 C-431 2500-3200
> C-437 4150-7700 C-432 3200-4000
> C-439 201- 398 C-433 4000-5000
> 2500-4700 C-434 5000-6200
> C-440 201- 398 C-435 6200-7700
> 4150-7700
> NOTES on circuit details are the same as shown for SCR-AE-183 except:
> Loop Connection: None
> AUTO/MANUAL Volume: In AUTO, BC-AS-231 output control changes receiver audio
> output level, but does not change transmitter side-tone
> level in headphones.
> AF Output Impedance: HIGH or LOW selected by internal wiring. (The AF output
> low pass filter is not used when LOW is connected.)
> Transmitter vacuum tube VT-25-A replaces VT-25.
>
> --------------------------------------------------------------------------------
> ARC = Aircraft Radio Corporation
> WECo = Western Electric Company
>
>
> REMARKS FOR THIS TABULATION
>
> This work does not describe the use of any listed receiver in liaison receiver
> service, such as used in SCR-A*-182, SCR-A*-185, SCR-A*-187, or SCR-A*-192
> systems. Only the coils specified in the command set instruction book are
> shown. The expanded set of coils that was typically assigned for liaison
> receiver service are not listed.
>
> Some systems were supplied on multiple dates and order numbers. Those listed
> here are the earliest that I have found.
>
> For proper presentation, this message must not be viewed in a HTML or Richtext
> mail viewer. Find this posting at
>
> http://mailman.qth.net/pipermail/arc5/2014-November/date.html
>
> to see a correct presentation. A pdf copy can be provided on request.
>
> Comments, additions, and corrections are welcome. Submit to Mike Morrow,
> kk5f at arrl.net. Copyright for publication, but not distribution with
> attribution, is reserved.
>
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