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Last modified 2016-01-16

Icom IC-746

A picture of Icom IC-746

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF transceiver
Frequency range:TX: 10-160 m + WARC / 50-54 / 144-148 MHz
RX: 0.03-60 / 108-174 MHz
Tuning steps:Down to 1 Hz
Mode:AM/FM/SSB/CW/RTTY
Channels/memory management:99 regular
2 scan edges
1 call
9 character alpha tags
Repeater shift/offset:0-4 MHz in 1 KHz steps
Power supply:13.8 VDC 15%
Current drain/power consumption:RX: 1.8-2 A
TX: Max 20 A
Antenna impedance/connector:50 ohms / 3*SO-239
Dimensions (W*H*D):287*120*316 mm (11.3*4.72*12.44")
Weight:8.9 Kg (19.62 lbs)
Other features:CTCSS/PL. Built-in auto ATU. Built-in keyer. CI-V.
Simple spectrum scope. VOX. DSP.




RECEIVER SECTION
Receiver system:? conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:AM (10 dB S/N)
0.5-1.8 MHz: 13 uV
1.8-30 MHz: 2 uV (Preamp 1 on)
6 m/2 m: 1 uV (Preamp on)
FM (12 dB SINAD)
28-30 MHz: 0.5 uV (Preamp 1 on)
6 m: 0.25 uV (Preamp 2 on)
2 m: 0.18 uV (Preamp on)
AM/SSB/CW/RTTY (10 dB S/N)
1.8-30 MHz: 0.16 uV (Preamp 1 on)
6 m: 0.13 uV (Preamp 2 on)
2 m: 0.11 uV (Preamp on)
Selectivity:AM/FM-N
>9 KHz (-6 dB), <20 KHz (-60 dB)
FM
>12 KHz (-6 dB), <30 KHz (-50 dB)
SSB/CW/RTTY
>2.1 KHz (-6 dB), <4 KHz (-60 dB)
Image rejection:HF/6 m: 70 dB
2 m: 60 dB
AF output power/speaker:2 W at ?% distortion / 8 ohms
External speaker connector:3.5 mm, 4-8 ohms




TRANSMITTER SECTION
RF output power: AM: 5-40 W
FM/SSB/CW: 5-100 W
Modulation system:AM/SSB: Balanced modulation
FM: Variable reactance modulation
Max FM deviation:Max 5 KHz
Spurious emissions:HF: Less than -50 dB
VHF: Less than -60 dB
Microphone impedance/connector:600 ohms / 8-pin




MISCELLANEOUS
Manufactured:Japan, 1997-2002 (Discontinued)
Additional info:
Related documents:User manual (2 MB)
Modifications:
Options/Accessories:
AH-2B
AH-4
CR-282
CT-16
CT-17
EX-627
FL-52A
FL-53A
FL-96
FL-100
FL-101
FL-103
FL-222
FL-223
FL-232
FL-257
IC-PW1
OPC-025A
PS-85
SM-8
SM-20
SP-21
UT-102
Antenna element for mibile operation, 3.5-28 MHz with AH-4
External automatic antenna tuner, HF
High stability crystal unit
Satellite interface unit
CI-V level converter
Automatic antenna selector
455 KHz CW/RTTY narrow filter (500 Hz)
455 KHz CW super-narrow filter (250 Hz)
455 KHz SSB wide filter (2.8 KHz)
9 MHz CW narrow filter (500 Hz)
9 MHz CW narrow filter (250 Hz)
9 MHz SSB wide filter (2.8 KHz)
455 KHz SSB narrow filter (1.8 KHz)
9 MHz SSB narrow filter (1.9 KHz)
9 MHz CW/RTTY narrow filter (350 Hz)
455 KHz SSB wide filter (3.3 KHz)
HF-6 m linear amplifier, 1 KW
DC power cable
Power supply, 13.8 VDC, 20 A
Desk microphone with two line out and up/down buttons
Desk microphone, unidirectional electret
External speaker, 8 ohms, 5 W
Voice synthesizer unit