Specifications - Icom IC-730 Maintenance Manual

SECTION 1 SPECIFICATIONS
GENERAL
Number of Semiconductors:
Transistors 71
FET 15
IC (Includes CPU) 25
Diodes 212
Frequency Coverage:
3.5MHz - 4.0 MHz
7.0MHz - 7.3 MHz
10.0MHz - 10.5 MHz (Receive Only)
14.0MHz -14.35MHz
18.0MHz - 18.5 MHz (Receive Only)
21.0MHz - 21.45MHz
24.5MHz - 25.0 MHz (Receive Only)
28.0MHz - 29.7 MHz
Frequency Control:
CPU based 10Hz step Pre-mixed synthesizer.
Independent Transmit-Receive Frequency Available on
same band.
Frequency Readout:
6 digit 100Hz readout.
Frequency Stability:
Less than 500Hz after switch on 1 min to 60 mins, and
less than 100Hz after 1 hour. Less than 1 KHz in the
range of -10° C to +60° C.
Power Supply. Requirements:
DC 13.8V ±15% Negative ground Current drain lOA
max. (at 200W input)
AC power supply is available for AC operation.
Antenna Impedance:
50 ohms Unbalanced
Weight:
6.4 Kg
Dimensions:
94mm(H) x 241mm(W) x 275mm(D)
TRANSMITTER
RF Power:
SSB (A 3 J) 200 Watts PEP input
CW (AI) 200 Watts input
Continuously Adjustable Output power 10 Watts - Max.
AM (A 3 ) 40 Watts output
Continuously Adjustable Output power 10 Watts - 40
Watts .
Emission Mode:
A3J SSB (Upper sideband and Lower sideband)
Al CW
A3 AM
Harmonic Output:
More than 50dB below peak power output
Spurious Output:
More than 50dB below peak power output
Carrier Suppression:
More than 50dB below peak power output
Unwanted Sideband:
More than 55dB down at 1000Hz AF input
Microphone:
Impedance 1300 ohms
Input Level 120 millivolts typical
Dynam1c : or Electret Condenser Microphone with
Preamplifier
RECEIVER
Receiving System:
Quadruple Conversion Superheterodyne with continuous
Pass-Band Shift Control.
Receiving Mode:
AI, A3J (USB, LSB), A3
IF Frequencies:
1st 39.7315MHz
2nd 9.0115MHz
3rd 455KHz
4th 9.0115MHz
with continuous Pass-Band Shift Control.
Sensitivity: .
SSB,CW
AM
Selectivity:
SSB,CW
AM
CW-N
Less than 0.3 microvolts for 10dB S+N/N
Less than 0.6 microvolts for 10dB S+N/N
2.4KHz at -SdB
4.8KHz at -6OdB
6.0KHz at -SdB
18.0KHz at -SOdB
(when optional crystal filter installed)
600Hz at -6dB
1.5KHz at '-SOdB
(when optional AF filter installed)
150Hz at -SdB
1100Hz at -4OdB
Spurious Response Rejection Ratio:
More than SOdB
Audio Output:
More than 2 Watts
Audio Output Impedance:
8 ohms
Specifications are approximate and are subject to change without notice or obligation.
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