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Last modified 2023-10-09

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Hy-Gain III (2683)

A picture of Hy-Gain III (2683)

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels / tuning steps:23
Mode:AM
Frequency control:PLL (PLL02A)
Frequency stability:Max ? ppm
Clarifier or Delta tune:No
Power supply:11.5-14.5 VDC (Fixed power cord)
Current drain / power consumption:RX: 300 mA (Squelched)
TX: Less than 1.2 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:0.7 uV (10 dB S+N/N)
Selectivity:
Image rejection:
AF output power / speaker:3 W at ?% distortion / ? ohm
External speaker connector:TS jack (3.5 mm), 8 ohm




TRANSMITTER SECTION
RF output power:~3.5 W (5 W input)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan (Assembled in Puerto Rico), 197x-197x (Discontinued)
Main PCB: PTBM036AOX by Cybernet Electronics Corporation
Single sided with through-hole components
Sub PCBs: EPO-0649 - Lamp control board
PTSR002BOX - SWR board
Additional info:
Related documents:PLL: PLL02A
Sams Photofact #:CB-138 (September 1977)
Modifications and fixes:
Reviews:
Options / Accessories:
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