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Last modified 2022-02-14

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Sommerkamp TS-740 SSB

A picture of Sommerkamp TS-740 SSB

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM / SSB
Frequency control:PLL
Frequency stability:?%
Clarifier or Delta tune:800 Hz
Power supply:Mains: 220 VAC (Fixed power cord)
or 13.8 VDC (2-pin connector)
Current drain / power consumption:RX: ? mA @ 13.8 VDC
TX: ? A @ 13.8 VDC
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):329*104*247 mm (12.95*4.09*9.72")
Weight:5 Kg (11.02 lb)
Other features:PA. NB. SWR meter.




RECEIVER SECTION
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)
SSB: 0.3 uV (10 dB S/N)
Selectivity: AM: 6 KHz (-6 dB)
SSB: 2 KHz (-6 dB)
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: AM: 4 W
SSB: 12 W (PEP)
Modulation system:SSB: Double-balanced modulator with crystal lattice filter
FM deviation (Factory set):No FM
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / 7-pin DIN
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 197x-197x (Discontinued)
Main PCB:PTBM058COX by Cybernet Electronics Corporation
Sub PCBs: PTLD010COX - LED channel display board
PTPW007COX - PSU/AVR board
PTSR009COX - SWR board
PTSW020COX - Channel selector board
PTSW026COX - Rotary switch board
PTZZ030COX - Relay board
Additional info:
Related documents:
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of Sommerkamp TS-740 SSB