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Last modified 2022-01-21

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President Jack

A picture of President Jack


Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM / FM / SSB
Frequency control:PLL (MB8719)
Frequency stability:0.001%
Clarifier or Delta tune:? KHz
Power supply:10.8-15.6 VDC (3-pin connector)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):185*55*223 mm (7.28*2.16*8.78")
Weight:2.5 Kg (5.51 lb)
Other features:PA. ANL/NB. Tone hi-cut.

Receiver system: Single conversion superheterodyne (AM/SSB)
IF: 10.695 MHz
Double conversion superheterodyne (FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 0.5 uV (10 dB S/N)
FM: 1 uV (20 dB S/N)
SSB: 0.25 uV (10 dB S/N)
Selectivity: AM/SSB: 4.2 KHz (-6 dB), 7 KHz (-60 dB)
FM: 7 KHz (-6 dB), 15 KHz (-60 dB)
Image rejection:
AF output power / speaker:2.5 W at 10% distortion / 16 ohm
External speaker connector:3.5 mm

RF output power: AM: 4 W
FM: 4 W
SSB: 4 (12) W (PEP)
Modulation system:
Max FM deviation (Factory set):2.25 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:Early: ? ohm / 4-pin (Metal locking ring connector)
Later: ? ohm / 6-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:Taiwan, 19xx-19xx (Discontinued)
Main PCB:PC-893 by Uniden
Sub PCBs:
Additional info:
Related documents: PLL: MB8719
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
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A rear picture of President Jack