Icom IC-775 Service Manual

SECTION
1 SPECIFICATIONS
GENERAL
•
Frequency coverage:
Receive
1
00
kHz
-
29.990 MHz
Transmit
1.800-
1.999999 MHz*'
3.500-
3.999999
MHz*'
7.000-
7.300 MHz*'
10.100
-10.150
MHz
14.000
-
14.350 MHz
18.068
-18.168 MHz
21.000-
21.450 MHz
24.890
-
24.990 MHz
28.000
-
29.700 MHz
*'
1
.830-1
.850 for Spain version;
1 .81
0-1
.850 for France version;
1 .81
5-1
.835/1
.850-1
.890 for
Germany version
*'
3.500-3.800
for Spain, France and
Germany versions
*'7.000-7.100
for Spain, France and
Germany
versions
•
Mode : SSB,
CW, RTTY, AM, FM
•
Number
of
memory :
101 (99
regular,
2
scan
edges)
channels
•
Antenna impedance
: 50
Q
nominal
•
Usable
temperature :
-
10°C
to
+
60°C
;
range
+
14°F
to
+
140T
•
Frequency stability : Less
than ± 200 Hz from 1 min,
to
60
min, after power ON.
After that, rate of
stability
change is
less
than ±30 Hz/hr.
at
+25t!:
+77T.
Temperature fluctuations
(OTD
to
+
50X:;
+32T
to
+
1
22
”F)
less
than
±
350 Hz.
•
Power
supply requirement:
120Vtype
100-120VAC
230
V type 220
-
240 V AC
•
Power
consumption :
Transmit max.
power 760 VA
Receive squelched 140VA
max. audio output 150 VA
•
Dimensions : 424(W)
x
150(H)
x
390(D)
mm
1611/16(W)
x5M/32(H)
X
1511/32(0)'
(projections not included)
•
Weight : 1 6.5
kg; 36.4 lb (without DSP unit)
16.7 kg; 36.8 lb (with DSP unit)
TRANSMITTER
•
Output
power : SSB, CW, RTTY, FM
5
-
200 W
AM
5
-
50
W
(continuously adjustable)
•
Spurious
emissions : Less than
-
60
dB
•
Carrier
suppression : More than 40 dB
•
Unwanted
sideband
:
More than
55
dB
•
Microphone :
600
Q
impedance
RECEIVER
•
Receive system
SSB, CW, RTTY, Quadruple-conversion
AM
superheterodyne
FM
Triple-conversion superheterodyne
•
Intermediate frequencies: (Unit: MHz)
MODE SSB CW, RTTY AM
FM
1st 69.0100
2nd 9.0115 9.0106 9.0100
3rd 0.455 0.455 0.455 0.455
4th 10.6950 10.6950
10.6950
-
•
Sensitivity (Preamp
1
ON):
SSB, CW, RTTY 1
00
-
500
kHz Less than
2.0
pV
(lOdBS/N)
1.8
-29.99
MHz Less than
0.16
pV
AM(l 0 dBS/N)
0.5
-1.8 MHz Less than
13.0
pV
1.8
-29.99 MHz Less than
2.0
pV
FM
(12
dB
SINAD)
28
-
29.99
MHz Less than
0.5
pV
•
Squelch sensitivity (Preamp 1 ON):
SSB,
CW, RTTY, Less than
3.2
pV at threshold
AM
FM Less than
0.32
pV at threshold
•
Selectivity (Normal filter selection):
SSB
More than 2.4
kHz/
-
6 dB
Less than 4.0 kHz/
-
60
dB
CW, RTTY More than
500
Hz/
-
6
dB
Less than 1
.0
kHz/
-
60
dB
AM More than 6.0 kHz/
-
6
dB
Less than 20.0 kHz/ -60 dB
FM More than 15.0 kHz/-
6
dB
Less than 30.0 kHz/
-60
dB
•
Spurious
and
image
:
More than 70 dB
rejection ratio
•
Audio output power : More
than
2.6 W at 10%
distortion
with an
8
Q
load
•
RIT/ZITX : ± 9.999 kHz
variable range
ANTENNA TUNER
•
Matching impedance range:
16.7-150Q
unbalanced
(Less than
VSWR
3:1)
•
Minimum operating :
8
W
input power
•
Tuning accuracy
:
VSWR
1
.5:1 or less
•
Insertion loss : Less than 1
.0
dB
(after tuning)
All stated
specifications are subject to change without notice or obligation.
1-1

Icom IC-775 Specifications

General

Brand	Icom
Model	IC-775
Category	Transceiver
Language	English