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Last modified 2021-04-01

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Icom IC-750

A picture of Icom IC-750

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range:TX: 10-160 m + 30 m (Japan domestic market)
RX: 0.1-30 MHz
Tuning steps:10 Hz, 1 KHz
Frequency stability:Less than 500 Hz @ 0 to 50C (32 to 122F)
Mode:AM / FM / SSB / CW / RTTY
Channels/memory management: 32 regular
RAM board with lithium backup battery
Repeater shift/offset:No dedicated, use VFO A/B split ("Duplex")
Power supply:13.8 VDC 15% (Mains option)
Current drain/power consumption:RX: 1.5 A (Squelched)
TX: Max 20 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):306*115*355 mm (12.05*4.53*13.98")
Weight:8.5 Kg (18.74 lb)
Other features:PBT. NB. VOX. SWR-meter.




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne (FM)
1st IF: 70.45 MHz
2nd IF: 9.01 MHz
3rd IF: 455 KHz
Quadruple conversion superheterodyne (SSB/CW/RTTY)
1st IF: 70.45 MHz
2nd IF: 9.01 MHz
3rd IF: 455 KHz
4th IF: 350 KHz
Sensitivity: AM (10 dB S/N)
0.1-0.5 MHz: uv
0.5-1.6 MHz: 13 uV
1.6-30 MHz: 2 uV
FM (12 dB SINAD)
1.6-30 MHz: 0.5 uV
SSB/CW/RTTY (10 dB S/N)
0.1-0.5 MHz: uV
0.5-1.6 MHz: uV
1.6-30 MHz: 0.16 uV
Selectivity: AM
2.4 KHz (-6 dB), 4.5 KHz (-60 dB)
FM
15 KHz (-6 dB), 30 KHz (-60 dB)
SSB/CW/RTTY
2.3 KHz (-6 dB), 4 KHz (-60 dB)
Image rejection:
AF output power/speaker:3 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: AM: 10-40 W
FM: 10-100 W
SSB: 10-100 W
CW: 10-100 W
RTTY: 10-100 W
(Max 50 W on 10 m)
Modulation system:
FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 198x-198x (Discontinued)
Additional info:See also the general market version IC-751
Related documents: RAM board battery replacement procedure (69 KB)
Modifications and fixes:
Reviews:
Options/Accessories:
AT-100
AT-500
CR-64
FL-32
FL-33
FL-52A
FL-53A
FL-63
FL-70
HM-12
IC-EX310
IC-EX314
IC-HP1
IC-PS35
IC-SP3
SM-6
Automatic antenna tuner
Automatic antenna tuner
High stability crystal unit (0.5 ppm)
500 Hz CW narrow filter (IF: 9 MHz)
6 KHz AM filter (IF: 9 MHz)
500 Hz CW narrow filter (IF: 455 KHz)
250 Hz CW narrow filter (IF: 455 KHz)
250 Hz CW narrow filter (IF: 9 MHz)
2.8 KHz SSB wide filter (IF: 9 MHz)
Standard hand microphone
Voice synthesizer unit
Replacement RAM board
Headphones
Internal power supply. 13.8 VDC, 25 A
External speaker
Desk microphone