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Last modified 2024-07-09

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President Benjamin

A picture of President Benjamin

SPECIFICATIONS

GENERAL
Type:Citizen band / "Freeband" / Export transceiver
Frequency range: Europe and USA
26.965-27.405 MHz
Export
25.515-27.855 MHz
Channels / tuning steps:Europe and USA: 40
Export: 120
Mode:USA: AM / SSB
Europe and export: AM / FM / SSB
Frequency control:PLL (uPD2824C)
Frequency stability:0.005% @ -30 to +50°C (-22 to +122°F)
Clarifier or Delta tune:±1.5 KHz
Power supply:Mains: 110 / 220 VAC
Current drain / power consumption:RX: Less than 200 mA @ 220 VAC
TX: Less than 400 mA @ 220 VAC
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):365*95*226 mm (14.38*3.75*8.88")
Weight:1.45 Kg (3.2 lb)
Other features:ANL/NB. Channel 9 switch.




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: 1 uV (10 dB S/N)
FM: 1 uV (20 dB S/N)
SSB: 0.25 uV (10 dB S/N)
Selectivity:
Image rejection:More than 60 dB
AF output power / speaker:3 W at 10% distortion / 16 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: AM: 4 W
FM: 4 W
SSB: 12 W (PEP)
Modulation system:
Max FM deviation (Factory set):±2.7 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:500 ohm / 4-pin (Male locking ring jack)
Microphone input level: ~1 mV for 50% modulation (AM)
~1 mV for 6 W (PEP SSB)
~1 mV for ±1 KHz deviation (FM)




MISCELLANEOUS
Manufactured:199x-199x (Discontinued)
Main PCB:PB-122 by Uniden
Sub PCBs: PA-123AA 1/2 - Front panel board
PA-123AA 2/2 - Channel selector board
PA-241AA - PSU board
PB-189AA . FM board
Additional info:
Related documents: Service manual (3.9 MB)
PLL: uPD2824C
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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