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Icom IC-730 Maintenance Manual

Icom IC-730
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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.
1 - 1
for
free
by
RadioAmateur.eu

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Icom IC-730 Specifications

General IconGeneral
BrandIcom
ModelIC-730
CategoryTransceiver
LanguageEnglish

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