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Last modified 2021-08-07

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President Jackson (Mk1)

A picture of President Jackson (Mk1)

SPECIFICATIONS

GENERAL
Type:Citizen band / "Freeband" / Export transceiver
Frequency range:26.065-28.315 MHz
Channels/tuning steps:226 (Including +10 KHz channels)
Mode:AM / FM / SSB
Frequency control:PLL (MC145106)
Frequency stability:?%
Power supply:13.8 VDC (11.7-15.9 VDC)
Current drain/power consumption:RX: 0.5-1 A
TX: Max 3 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):200*60*260 mm (7.9*2.4*10.24")
Weight:2.2 Kg (5 lb)
Other features:PA. +10 KHz switch. ANL/NB. Roger beep.




RECEIVER SECTION
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/N)
FM: 0.5 uV (20 dB S+N/N)
SSB: 0.15 uV (10 dB S+N/N)
Selectivity: AM/SSB: 4.2 KHz (-6 dB), 7.5 KHz (-60 dB)
FM: 7 KHz (-6 dB), 15 KHz (-60 dB)
Image rejection:60 dB
AF output power/speaker:3 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:AM/FM: 10 W
SSB: 21 W
Modulation system:
FM deviation:1.5 KHz
Spurious emissions:Less than -50 dB
Microphone impedance/connector:600 ohm / 4-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Taiwan, 198x-198x (Discontinued)
Main PCB:PB-042AB by Uniden
Sub PCBs:
Additional info:The Mk1 version was also available in black.
Related documents: User manual (960 KB)
Service manual (1.6 MB)
PLL: MC145106
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options/Accessories:
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