RigPix logo

Icom logo


Back to main

Back to Icom

Next HF and more


Copyright logo


Last modified 2021-03-29

Valid HTML 4.01 Transitional

Icom IC-728

A picture of Icom IC-728

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range:TX: TX: 10-160 m + WARC
RX: 0.5-30 MHz
Tuning steps:10 / 20 / 50 Hz, 1 KHz, 1 MHz
Frequency stability:Less than 350 Hz @ 0 to 50C (32 to 122F)
Mode: TX: SSB / CW (AM/FM with UI-7 option)
RX: AM / SSB / CW (FM with UI-7 option)
Channels/memory management: 22 regular
2 split
2 scan edge
RAM storage with lithium backup battery
Repeater shift/offset:No dedicated, use VFO A/B split instead
Power supply:13.8 VDC 15%
Current drain/power consumption:RX: 1.3 to 1.6 A
TX: Max 20 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):241*94*239 mm (9.5*3.7*9.4")
Weight:4.6 Kg (10.14 lb)
Other features:NB. PBT.




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne
1st IF: 70.45 MHz
2nd IF: 9.01 MHz
3rd IF: 455 KHz
Sensitivity: AM (10 dB S/N)
0.5-1.8 MHz: 13 uV
1.8-30 MHz: 2 uV
FM (12 dB SINAD), with UI-7 option
28-29.7 MHz: 0.5 uV
SSB/CW (10 dB S/N)
1.8-30 MHz: 0.16 uV
Selectivity: AM: 6 KHz (-6 dB), 20 KHz (-40 dB)
FM: 12 KHz (-6 dB), 30 KHz (-50 dB)
SSB: 2.1 KHz (-6 dB), 4 KHz (-60 dB)
Image rejection:
AF output power/speaker:2.6 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power: AM: 10-40 W (With UI-7 option)
FM: 10-100 W (With UI-7 option)
SSB/CW: 10-100 W
Modulation system:
FM deviation:5 KHz (With UI-7 option)
Spurious emissions:Less than -50 dB
Microphone impedance/connector:600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1992-199x (Discontinued)
Additional info:New price 1992 in Sweden: SEK 8900:-
Related documents:User manual (5.9 MB)
Modifications and fixes:
Reviews:
Options/Accessories:
AH-2b
AH-3
CR-64
CT-16
CT-17
EX-627
FL-100
FL-101
HM-12
HP-2
IC-2KL
IC-4KL
IC-AT150
IC-AT160
IC-AT500
IC-PS15
IC-PS30
MB-5
MB-23
OPC-025A
PS-55
SM-6
SM-8
SM-20
SP-3
SP-7
SP-20
UI-7
UT-30
Mobile antenna element
Automatic antenna tuner, 150 W
High stability crystal unit (0.5 ppm)
Satellite interface unit
CI-V level converter
Automatic HF antenna selector, 7 antennas
CW filter, 500 Hz (IF: 9 MHz)
CW filter, 250 Hz (IF: 9 MHz)
Standard hand microphone
Communication headphones
500 W HF linear amplifier
1 KW HF linear amplifier
Automatic antenna tuner, 100 W
Automatic antenna tuner, 100 W
Automatic antenna tuner, 500 W
Power supply, 13.8 VDC, 20 A
Power supply, 13.8 VDC, 25 A
Mobile mounting bracket
Carrying handle
DC power cable
Power supply, 13.8 VDC, 20 A
Desk microphone
Desk microphone with dual line output
Desk microphone with low-cut
External speaker. 4 W, 8 ohm
External speaker. 5 W, 8 ohm
External speaker with filters. 5 W, 8 ohm
AM/FM unit
Programmable tone encoder unit