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Last modified 2022-01-21

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President Johnson ASC

A picture of President Johnson ASC


Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM / FM
Frequency control:PLL
Frequency stability:Max ? ppm
Clarifier or Delta tune:No
Power supply:13.2 VDC
Current drain / power consumption:RX: 500-800 mA
TX: Max 1.7 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):174*52*211 mm (6.85*2.05*8.31")
Weight:1.1 Kg (? lb)
Other features:ASC. Tone switch.

Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity: AM: 0.4 uV (20 dB SINAD)
FM: 0.4 uV (20 dB SINAD)
Selectivity:10 KHz (-70 dB)
Image rejection:60 dB
AF output power / speaker:5 W at ?% distortion / ? ohm
External speaker connector:

RF output power: AM: 4 W
FM: 4 W
Modulation system:
Max FM deviation (Factory set):? KHz
Spurious emissions:Better than -54 dB
Microphone impedance / connector:? ohm / ?-pin (Metal locking ring connector)
Microphone input level:0.8 mV (No reference)

Manufactured:19xx-19xx (Discontinued)
Main PCB:
Sub PCBs:
Additional info:
Related documents:User manual (1.7 MB)
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
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