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Last modified 2023-09-26

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Sommerkamp FT-77

A picture of Sommerkamp FT-77

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: TX: 10-80 m + WARC
RX: 10-80 m + WARC
Tuning steps:Analog / continuous
Frequency stability: Less than 300 Hz drift during the first 30 minutes after 10 minutes warmup
Less than 100 Hz every 30 minutes theraafter
Mode:SSB / CW (FM option)
Channels / memory management: 1 optional
XTAL controlled
Repeater shift / offset:
Power supply:13.8 VDC
Current drain / power consumption:RX: Max 1 A
TX: Max 20 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):240*95*300 mm (9.45*3.74*11.81")
Weight:6 Kg (13.2 lb)
Other features:




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (SSB/CW)
IF: 8.9875 MHz
Double conversion superheterodyne (FM option)
1st IF: 8.9875 MHz
2nd IF: 455 KHz
Sensitivity: SSB/CW: 0.3 uV (10 dB S+N/N)
CW-N: 0.15 uV (10 dB S+N/N), with optional CW filter
FM: 0.7 uV (12 dB SINAD), with optional FM unit
Selectivity: SSB/CW
2.4 KHz (-6 dB)
5 KHz (-60 dB)
CW-N (With optional CW filter)
600 Hz (-6 dB)
1.3 KHz (-6 0 dB)
FM (With optional FM unit)
12 KHz (-6 dB)
24 KHz (-60 dB)
Image rejection:70 dB
AF output power / speaker:3 W at 10% distortion / 4 ohm
External speaker connector:3.5 mm, 4-16 ohm




TRANSMITTER SECTION
RF output power:

Max pwr
FM:50 W (With optional FM unit)
SSB (PEP):100 W
CW:100 W

NB! The SSB/CW output power is slightly less on 10 m
Modulation system:
Max FM deviation (Factory set):±5 KHz (With FM option)
Spurious emissions:Better than -40 dB
Microphone impedance / connector:500-600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 198x-198x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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