Icom730

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Icom730

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GENERAL

Type: Amateur HF transceiver   


Frequency range: 

10-80 m + WARC
3.5-4.0 MHz
7.0-7.3 MHz
10.0-10.5 MHz (RX only)
14.0-14.35 MHz
18.0-18.5 MHz (RX only)
21.0-21.45 MHz
24.5-25.0 MHz (RX only)
28.0-29.7 MHz     


Tuning steps: 10 / 100 Hz, 1 KHz


Frequency stability: 

Less than 100 Hz after 1 hour warmup @ room temperature
Less than 1 KHz @ -10 to +60°C (14 to 140°F)     


Mode: AM / SSB / CW   


Channels / memory management: 

1 regular per band segment
RAM storage, relies on external power     


Repeater shift / offset: No   


Power supply: 13.8 VDC ±15%    


Current drain / power consumption:

RX: ? mA
TX: Max 20 A  


Antenna impedance / connector: 50 ohm / SO-239   


Dimensions (W*H*D): 241*94*275 mm (9.49*3.7*10.83")   


Weight: 6.4 Kg (14.11 lb) 


Other features:PBT. VOX. NB. SWR-meter.    

RECEIVER SECTION

Receiver system: Quadruple conversion superheterodyne
1st IF: 39.7315 MHz
2nd IF: 9.0115 MHz
3rd IF: 455 KHz
4th IF: 9.0115 MHz    


Sensitivity:

AM: 0.6 uV (10 dB S+N/N)
SSB/CW: 0.3 uV (10 dB S+N/N)  


Selectivity: 

AM 6 KHz (-6 dB), 18 KHz (-60 dB)
SSB/CW 2.4 KHz (-6 dB), 4.8 KHz (-60 dB)
CW-N (Optional) 600 Hz (-6 dB), 1.5 KHz (-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:   
AM: 5-25 W

SSB (PEP): 5-100 W 

CW: 5-100 W     

Modulation system:    

Max FM deviation (Factory set): No FM   

Spurious emissions: Better than -50 dB   

Microphone impedance / connector: 1.3 kohm / 8-pin  (Metal screw ring connector)   

Microphone input level: 120 mV (Typical)

MISCELLANEOUS

AH-1         3.5-28 MHz mobile antenna

BC-10A    Memory backup AC power supply 

EX-195     Marker unit 

EX-202     LDA unit for automatic band switching 

EX-203     CW audio filter, 150 Hz (-6 dB) 

EX-205     TRV unit for transverter switching 

FL-30        2.3 KHz SSB narrow filter. IF: 9 MHz 

FL-44        2.4 KHz SSB filter. IF: 455 KHz 

FL-45       500 Hz CW narrow filter. IF: 9 MHz 

HM-10     Scanning microphone 

HP-1        Headphones 

IC-2KL     500 W solid state linear amplifier

MB-5       Mobile mounting bracket 

PS-15     AC power supply 

SM-5      Electret condenser type desk microphone 

SP-3       External speaker

 All reproductions on this site are free to use for non-commercial purposes unless you are the original copyright holder. I do not claim ownership of any reproduced content. I have tried to the best of my abilities to accurately reproduce the information, but some pages were hard to read, including photos or schematics. Many of these were scans or photocopies of varying quality and resolution. 

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