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Last modified 2023-09-19

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Icom IC-720A

A picture of Icom IC-720A

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: TX: 10-160 m + WARC
RX: 0.1-30 MHz
Tuning steps:10 / 100 Hz, 1 KHz
Frequency stability:Less than 1 KHz @ -10 to +60°C (14 to 140°F), after 60 min warmup
Mode:AM / SSB / CW / RTTY
Channels / memory management:None
Repeater shift / offset:No
Power supply:13.8 VDC ±15%
Current drain / power consumption:RX: 900 mA
TX: Max 20 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):241*111*311 mm (9.49*4.37*12.24")
Weight:7.5 Kg (16.53 lb)
Other features:PBT. VOX. NB. 10 dB attenuator. SWR-meter.




RECEIVER SECTION
Receiver system: Quadruple conversion superheterodyne
1st IF: 39.7315 MHz
2nd IF: 9.0115 MHz
3rd IF: 10.75 MHz
4th IF: 9.0115 MHz
Sensitivity:0.25 uV (10 dB S+N/N)
Selectivity: AM
6 KHz (-6 dB)
18 KHz (-60 dB)
AM-N (With optional filter installed)
5.2 KHz (-6 dB)
12 KHz (-60 dB)
SSB/CW/RTTY
2.3 KHz, adjustable down to 800 Hz (-6 dB)
4.2 KHz (-60 dB)
CW-N (With optional filter installed)
500 Hz (-3 dB)
1500 Hz (-60 dB)
Image rejection:
AF output power / speaker:2 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:

Pwr
AM:~40 W
SSB (PEP):~100 W
CW/RTTY:~100 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -60 dB
Microphone impedance / connector:1.3 Kohm / 8-pin (Metal locking ring connector)
Microphone input level:120 mV (Typical)




MISCELLANEOUS
Manufactured:Japan, 198x-198x (Discontinued)
Additional info:
Related documents:User manual (5.5 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
BC-10A
FL-32
FL-34
IC-2KL
IC-HM7
IC-HP1
IC-MB5
IC-PS15
IC-SM5
IC-SP3
VFO memory backup AC power supply
CW narrow filter. 500 Hz (IF: 9 MHz)
AM filter. 5.2 KHz (IF: 10.75 MHz)
500 W linear amplifier
Standard hand microphone
Headphones
Mobile mounting bracket
AC power supply. 13.8 VDC, 20 A
Electret desk microphone
External speaker