Icom IC-751A - 1-3 Receiver

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
-