Section 2 Specifications - Icom ic-751a Instruction Manual

Hf all band transceiver general coverage receiver
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SECTION
2
SPECIFICATIONS
2-1
GENERAL
Number
of
semiconductors
Frequency
coverage
Usable temperature range
Frequency
control
Frequency
readout
Frequency
stability
Power
supply requirements
Current
drain
(at
13.8V DC)
Antenna impedance
Weight
Dimensions
2
-
2
TRANSMITTER
RF
power
Emission
modes
Harmonic
emissions
Spurious
emissions
Carrier
suppression
Unwanted
sideband
Microphone
ATX
variable
range
Transistors
59
(Australia,
France:
61)
FETs
23
Diodes
336
ICs (Includes
CPU)
64
Ham
Bands
1.8MHz
~
2.0MHz
3.45MHz-
4.1MHz
6.95MHz-
7.5MHz
9.95MHz-
10.5MHz
13.95MHz-
14.5MHz
17.95MHz-
18.5MHz
20.95MHz-
21.5MHz
24.45MHz
-25.1MHz
27.95MHz
-30.0MHz
General
Coverage
(Receive
Only)
0.1MHz
-30.0MHz
:
-10°C--«-60°C
(+14°F--M40°F)
:
CPU
based
10Hz
step
digital
PLL
synthesizer.
Independent
transmit/receive
frequency.
6
digit
100Hz
illuminated FIP.
Less
than
±200Hz
from
1
to
60
minutes
after
power ON.
Less
than
±30Hz
after
1
hour
at
25°
C.
Less
than
±350Hz
in
the range of
0°C
+50°C.
13.8V
DC
±15%
(negative
ground), current
drain
20A maximum
at
200W
input.
AC
power
supply
is
available
for
AC
operation.
:
Transmitting
At 200
watts input
Approx.
20.0A
Receiving
At
maximum
audio output
Approx.
1.8A
Squelched
Approx.
1.5A
50
ohms
unbalanced.
8.5kg
306(322)mm(W)
X
1
15(120)mm(H)
x
355(385)mm(D)
Bracketed
values include projections.
SSB
(J3E)
:
200
watts
PEP
input
CW
(A1A)
:
200
watts input
FM
(F3E)
:
200
watts input
RTTY
(F1A)
:
200
watts input
AM
(A3E)
:
50
watts
output
SSB
(J3E)
Upper
and
Lower
sideband
CW
.
(A1A)
FM
(F3E)
RTTY
(F1A)
AM
(A3E)
More
than
40dB
below peak power
output.
:
More
than
60dB
below peak power
output.
(Guaranteed
for transmissions
within the
Amateur
bands.)
:
More
than
40dB
below peak power
output.
More
than
55dB down
with
1000Hz
AF
input.
Impedance
600 ohms
Input
level
12
millivolts typical
Dynamic
or
electret
condenser
:
±9.9kHz
-
2
-

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