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Last modified 2022-01-17

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Lafayette AFS-640

A picture of Lafayette AFS-640


Type:Citizen band / "Freeband" / Export transceiver
Frequency range: 26.515-28.305 MHz in four bands:
A:   26.515-26.955 MHz
B:   26.965-27.405 MHz
C:   27.415-27.855 MHz
D:   27.865-28.305 MHz
Channels / tuning steps:160
Mode:AM / FM / SSB
Frequency control:PLL (PLL02A)
Frequency stability:? ppm
Clarifier or Delta tune:? Hz
Power supply:13.8 VDC
Current drain / power consumption:RX: Max 700 mA
TX: Max 2.5 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):210*65*255 mm (8.27*2.56*10.04")
Weight:2.75 Kg (6.06 lb)
Other features:PA. ANL/NB. Roger beep. Tone hi-cut. SWR-meter

Receiver system: Single conversion superheterodyne (SSB)
IF: 10.695 MHz
Double conversion superheterodyne (AM)
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: 0.5 uV (10 dB S/N)
Selectivity:10 KHz (-60 dB)
Image rejection:50 dB
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:

RF output power: AM: 7.5 W
FM: 10 W
SSB: 12 W
Modulation system:
FM deviation (Factory set):? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV

Manufactured:Japan, 198x-198x (Discontinued)
Main PCB:PTBM125A4X by Cybernet Electronics Corporation
Sub PCBs:
Additional info:See also Westland 707
Related documents:
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
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