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Last modified 2022-01-17

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Lafayette HB-640 (99-33565W)

A picture of Lafayette HB-640 (99-33565W)

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 (3-pin connector)
Current drain / power consumption:RX: Max 200 mA
TX: Max 1.2 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):162*57*222 mm (6.38*2.25*8.75")
Weight:1.46 Kg (3.22 lb)
Other features:PA. Tone switch. Local/distance switch. "Range boost".




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:0.7 uV (10 dB S/N)
Selectivity:10 KHz (-45 dB)
Image rejection:40 dB
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:4 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:700 ohm / 5-pin DIN (180°)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1976-197x (Discontinued)
Main PCB:PTBM051AOX by Cybernet Electronics Corporation
Sub PCBs:
Additional info:New price 1977 in the US: $69.99
Related documents:
Sams Photofact #:CB-163 (January 1978)
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of Lafayette HB-640 (99-33565W)