Icom IC-725 Instruction Manual page 36

SPECIFICATIONS
1
GENERAL
• Frequency coverage:
Receive
500 kHz
~
30
MHz
Transmit
1.80000
~
1.99999
MHz
3.40000-
4.09999
MHz
6.90000-
7.49999
MHz
9.90000-10.49999
MHz
13.90000-14.49999
MHz
17.90000-18.49999
MHz
20.90000-21.49999
MHz
24.4OOQ0
-
25.09999
MHz
27.90000
-
30.00000
MHz
•
Modes:
SSB
(A3J),
CW
(A1),
AM
(A3),
FM
(F3)
(UI-7
AM
•
FM UNIT
required for
AM
transmit
and
FM
transmit/receive.)
•
Number
of
memory
channels:
26
•
Antenna
impedance:
50
D,
unbalanced
• Usable temperature
range:
-10°C-+60°C
(+14°F~+140°F)
•
Frequency
stability:
Less
than
±200 Hz up
to
one hour
after
power
is
turned
ON.
Less
than
±30 Hz
after
one hour
at
+25°C (+77°
F).
Less than
±350 Hz
at
0°C
-
+50°C
(+32°F
-
+122°F).
•
Power
supply requirement:
13.8
V DC
±15%,
negative
ground
• Current
drain
(at
13.8
V
DC):
Receive squelched
1.2
A
max. audio output
1
.5
A
Transmit 20
A
• Dimensions:
241 (W) x 94
(H) x
239
(D)
mm
9.5
(W)x3.7 (H)x9.4
(D)
in
(Projections not included)
• Weight:
4.6
kg
(10.1 lb)
TRANSMITTER
•
Output power
SSB,
CW,
FM
10
—
100
W
continuously adjustable
AM
1
—
40
W
continuously
adjustable
• Spurious emissions:
More
than
50
dB
below peak output power
• Carrier
suppression:
More
than
40 dB below peak output power
•
Unwanted
sideband:
More than 50
dB down
with
1
kHz
AF
input
•
Microphone
impedance:
600
£2
RECEIVER:
•
Receive system:
SSB,
CW,
AM
Double-conversion superheterodyne
FM
Triple-conversion superheterodyne
• Intermediate frequencies:
1st
SSB
70.4515
MHz
CW
70.4506
MHz
AM, FM
75.4500
MHz
2nd SSB 9.0115
MHz
CW
9.0106
MHz
AM,
FM
9.0100
MHz
3rd
FM
455 kHz
• Sensitivity (preamplifier
ON):
(1.8
-30
MHz)
SSB,
CW
Less
than 0.15
uV
for
10
dB
S/N
AM
Less
than
2.0 juV for
10
dB
S/N
(28-30 MHz)
FM
Less than 0.5 juV for
1
2
dB
SIN
AD
• Selectivity:
SSB,
CW
More than
2.3
kHz/-6 dB
Less
than 4.0
kHz/-60 dB
AM
More
than 6.0
kHz/-6 dB
Less than 20.0
kHz/-40 dB
FM
More than
15kHz/-6dB
Less than
30
kHz/-50 dB
• Spurious response
rejection:
More
than
70
dB
•
Audio
output impedance:
8£2
•
Audio output power:
More than
2.6
W
at
10%
distortion
with an 8
£2 load.
•
RIT
variable range:
More than ±1 kHz
All stated specifications are subject to
change without
notice or
obligation.
•
FM
squelch
sensitivity:
Less
than 0.3 juV (preamplifier
ON)