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Last modified 2023-09-23

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Sommerkamp FT-220

A picture of Sommerkamp FT-220

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range: TX: 144-146 MHz
RX: 144-146 MHz

(Four 500 KHz segments)
Tuning steps:Analog / continuous
Frequency stability:±? ppm
Mode:FM / SSB / CW
Channels / memory management: 4*4 optional
XTAL controlled
Repeater shift / offset:-600 KHz
Power supply:Mains: 100 / 110 / 117 / 200 / 220 / 234 VAC
or 12-14.5 VDC
Current drain / power consumption:RX: 0.6 A (DC), 30 VA (AC)
TX: Max 3 A (DC), Max 90 VA (AC)
Antenna impedance / connector:50-75 ohm / SO-239
Dimensions (W*H*D):280*125*295 mm (11*4.92*11.6")
Weight:8.5 Kg (18.74 lb)
Other features: VOX. NB. 100 KHz calibrator.
Repeater tone burst 1300-3000 Hz adjustable.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (SSB/CW)
IF: 10.7 MHz
Double conversion superheterodyne (FM)
1st IF: 10.7 MHz
2nd IF: 455 KHz
Sensitivity: FM: -4 dBV (20 dB QS)
SSB/CW: 0.5 uV (10 dB S/N)
Selectivity: FM
15 KHz (-6 dB)
25 KHz (-60 dB)
SSB/CW
2.4 KHz (-6 dB)
4.1 KHz (-60 dB)
Image rejection:60 dB
AF output power / speaker:2 W at 10% distortion / 4 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

Pwr
FM:10 W
SSB (PEP):10 W
CW:10 W
Modulation system:FM: Variable reactance
Max FM deviation (Factory set):±6 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:500-600 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1974-197x (Discontinued)
Additional info:
Related documents:Schematic (1.1 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
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A picture of Sommerkamp FT-220