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Last modified 2021-07-29

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Hy-Gain V AFS (2705AFS)

A picture of Hy-Gain V AFS (2705AFS)


Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz (Sweden)
Channels/tuning steps: 25 (1-24 + 11A)
According to swedish law at the time, SSB was only allowed on ch 24, and
therefore, switching this radio to LSB or USB automatically changed the
channel to 24.
Mode:AM / FM / SSB
Frequency control:PLL (PLL02A)
Frequency stability:Max ? ppm
Power supply:11.5-14.8 VDC (3-pin connector)
Current drain/power consumption:RX: 500-600 mA
TX: 1.8-2.5 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):180*55*240 mm (7.1*2.2*9.4")
Weight:2 Kg (4.4 lb)
Other features:PA. NB/ANL, Selcall option.

Receiver system: Single conversion superheterodyne (SSB)
IF: 10.695 MHz
Double conversion superheterodyne (AM/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)
SSB: 0.2 uV (10 dB S+N/N)
Selectivity:AM/FM: 24 KHz (-80 dB)
SSB: 12 KHz (-60 dB)
Image rejection:
AF output power/speaker:2 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power:AM/FM: 3.5 W
SSB: 12 W (PEP)
Modulation system:
Max FM deviation:? KHz
Spurious emissions:Less than -? dB
Microphone impedance/connector:? ohm / 5-pin DIN (180)
Microphone input sensitivity:? mV

Manufactured:Japan, 198x-198x (Discontinued)
Main PCB:PTBM121D4X by Cybernet Electronics Corporation
Sub PCBs: PTLD010AOX - LED display board
PTSW094AOX - Channel selector board
Additional info: New price 1981 in Sweden: SEK 2295:-
New price 1983 in Sweden: SEK 1970:-
Related documents: User manual (3.7 MB, in swedish)
Schematic diagram (1.7 MB) 2705AFS specific
Sams Photofact #:None
Modifications and fixes:
Reviews:Radio & Television: #6/7 1981
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A rear picture of Hy-Gain V AFS (2705AFS)