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Last modified 2021-03-04

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Icom IC-250

A picture of Icom IC-250

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range:TX: 144-146 MHz (Japan domestic market)
RX: 144-146 MHz
Tuning steps:? KHz (Channelized)
Frequency stability:? ppm
Mode:FM
Channels/memory management:22 regular (Diode matrix)
Repeater shift/offset:
Power supply:13.8 VDC 15% (2-pin connector)
Current drain/power consumption:RX: 400-700 mA
TX: 0.9 to 2 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):156*58*218 mm (6.14*2.28*8.58")
Weight:1.9 Kg (4.19 lb)
Other features:




RECEIVER SECTION
Receiver system:Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz - Ceramic filter: CFU455E
Sensitivity:1 uV (30 dB S+N/N)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:
AF output power/speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HighLow
2 m:10 W1 W
Modulation system:
FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:600 ohm / 4-pin (Metal locking ring connector)
Microphone input sensitivity:? mV




MISCELLANEOUS
Manufactured:Japan, 197x-197x (Discontinued)
Additional info:Early PLL transceiver
Related documents:
Modifications and fixes:
Reviews:
Options/Accessories:
IC-3PA
SM-2
AC power supply. 13.5 VDC, 3 A
Desk microphone
A rear picture of Icom IC-250