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Last modified 2023-10-09

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Hy-Gain III (2683A)

A picture of Hy-Gain III (2683A)

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM
Frequency control:PLL (PLL02A)
Frequency stability:? ppm
Clarifier or Delta tune:No
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):180*60*220 mm (7.09*2.36*8.66")
Weight:1.84 Kg (4.06 lb), without mike and mobile bracket
Other features:PA. ANL/NB. SWR-meter.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:4 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 5-pin DIN (180°)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1977-197x (Discontinued)
Main PCB: PTBM036AOX by Cybernet Electronics Corporation
Single sided with through-hole components
Sub PCBs:EPO-0649 - Transistor board
Additional info: This is basically a III (2683) updated with a 40 channel
selector. This was done to take advantage of the newly
expanded CB band in the US at the time.
Related documents: Model A and X 40 channel addendum (41 MB)
PLL: PLL02A
Sams Photofact #:
Modifications and fixes:
Reviews:
Options / Accessories:
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