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Last modified 2023-01-20

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Rockwell Collins 851S-1

A picture of Rockwell Collins 851S-1

SPECIFICATIONS

GENERAL
Type:HF receiver
Frequency range: 0.25-30 MHz (12-250 KHz option)
Tuning steps:100 Hz
Frequency stability:0.5 ppm @ 0 to 50C (32 to 122F)
Mode:AM / SSB / CW (FM and ISB options)
Channels / memory management:
Power supply:Mains: 100 / 115 / 215 / 230 VAC 10%
Current drain / power consumption:Less than 100 W
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):483*178*483 mm (19*7*19")
Weight:17.2 Kg (38 lb)
Other features:




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne
1st IF: 109.35 MHz
2nd IF: 9.45 MHz
3rd IF: 450 KHz
Sensitivity: AM (10 dB S+N/N)
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SSB (10 dB S+N/N)
0.25-1.6 MHz: 2 uV
1.6-30 MHz: 0.7 uV
Selectivity: AM:
16 KHz (No reference)
SSB:
2.7 KHz (No reference)
Image rejection:
AF output power / speaker:2 W at ?% distortion / 8 ohm
External speaker connector:




MISCELLANEOUS
Manufactured:USA, 1978-198x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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VLF unit, 12-250 KHz
ISB unit
FM unit
AFC unit
10 Hz tuning
Noise blanker