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Last modified 2016-02-29

Icom IC-745

A picture of Icom IC-745

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range:TX: 10-160 m + WARC
RX: 0.1-30 MHz
Tuning steps:10 / 50 Hz
1 KHz
Mode:AM (RX only) /SSB/CW/RTTY (FM option)
Channels/memory management:16 regular (tunable)
Lithium battery backup
Repeater shift/offset:No dedicated, use VFO A/B split ("Duplex") instead
Power supply:13.8 VDC 15%
Current drain/power consumption:RX: ? mA
TX: Max 20 A
Antenna impedance/connector:50 ohms / SO-239
Dimensions (W*H*D):280*111*355 mm (11*4.37*14")
Weight:8 Kg (17.64 lbs), without options
Other features:PBT, NB, VOX, Transverter terminal




RECEIVER SECTION
Receiver system:Triple conversion superheterodyne
1st IF: 70.4515 MHz
2nd IF: 9.0115 MHz
3rd IF: 455 KHz
Sensitivity: AM (10 dB S/N)
0.1-1.6 MHz: 20 uV
1.6-30 MHz: 1 uV
FM (12 dB SINAD, with optional EX-242)
1.6-30 MHz: 0.3 uV
SSB/CW/RTTY (10 dB S/N)
0.1-1.6 MHz: 3.2 uV
1.6-30 MHz: 0.15 uV
Selectivity: AM
2.4 KHz (-6 dB), 4.8 KHz (-60 dB) (Filter switch ON)
4 KHz (-6 dB), 15 KHz (-60 dB)
FM
15 KHz (-6 dB), 30 KHz (-50 dB) (With optional EX-242)
SSB/CW/RTTY
2.2 KHz (adjustable down to 800 Hz) (-6 dB), 4.2 KHz (-60 dB)
Image rejection:
AF output power/speaker:2.8 W at ?% distortion / 8 ohms
External speaker connector:




TRANSMITTER SECTION
RF output power: 10-100 W
Modulation system:
Max FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:600 ohms / 8-pin (input level 12 mV typical)




MISCELLANEOUS
Manufactured:Japan, 1983-1986 (Discontinued)
Additional info:Battery-backed BIOS-RAM. Special procedure to replace the
battery, or the radio will die!
New price 1984 in Sweden: 8950:- SEK
Related documents:User manual (4.9 MB)
Modifications:
Options/Accessories:
AT-100
AT-500
EX-241
EX-242
EX-243
FL-44A
FL-45
FL-52A
FL-53A
FL-54
HM-12
HP-1
IC-2KL
MB-12
PS-15
PS-30
PS-35
SM-6
SP-3
Automatic antenna tuner, 100 W
Automatic antenna tuner, 500 W
Marker unit. 25 or 100 KHz
FM unit
Electronic keyer unit
SSB filter. 2.4 KHz (-6 dB). IF: 455 KHz
CW filter. 500 Hz (-6 dB). IF: 9.0115 MHz
CW filter. 500 Hz (-6 dB). IF: 455 KHz
CW filter. 250 Hz (-6 dB). IF: 455 KHz
CW filter. 270 Hz (-6 dB). IF: 9.0115 MHz
Hand microphone
Headphones
500 W linear amplifier
Mobile mounting bracket
Power supply
Power supply. 13.8 VDC, 25 A
Internal power supply
Desk microphone, electret
External speaker
A rear picture of Icom IC-745