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Icom IC-821H - Specifications

Icom IC-821H
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SECTION 1 SPECIFICATIONS
GENERAL RECEIVER
Frequency coverage:
Version
144 MHz band
440 MHz band
Rx:
136.0-174.0
MHz*
U.S.A
430.0-450.0
MHz
Tx:
144.0-148.0
MHz
Europe
144.0-146.0
MHz
430.0-440.0
MHz
Australia
144.0-148.0
MHz
430.0-450.0
MHz
Sweden
144.0-146.0
MHz
432.0
-438.0
MHz
*Guaranteed frequency range
IS
144.0-148.0
MHz
Mode SSB (J3E), cw (A1A),
FM
(F3E)
Number of memory: 160 (80 channels for each band)
channels
Antenna connector: VHF SO-239 (50
Q)
UHF Type-N (50
Q)
Usable temperature: - 10°C to + 60 t : +14
of
to +140
of
range
Frequency stability :
Tuning steps
Power supply
requirement
Current drain
(at 13.8
V)
Dimensions
Weight
± 3 ppm ( - 10°C
to
+60°C )
SSB, CW
1,10,50
or 100 Hz
FM
0.1
,
5,
10, 12.5, 20, 25 or
100 kHz
13.8
V ± 15 % (negative ground)
Transmit Max. power
16.0 A
Receive Stand-by
2.0 A
Max. audio 2.5 A
241
(W) x 94 (H) x 239
(D)
mm
9.5 (W)
x 3.7 (H) x 9.4 (D)
in
(projections not included)
5.0
kg;
11.0
Ib
TRANSMITTER
Output power
144 MHz
SSB
6-35
W
FM,
CW
6-45W
440 MHz SSB
6-30
W
FM,
CW
6-40W
(continuously adjustable)
Modulation system : SSB Balanced modulation
FM
Variable reactance mod.
Suprious emission : Less than - 60 dB
Carrier suppression: More than 40 dB
Unwanted sideband: More than 40 dB
Microphone 8-pin connector (600 Q)
connector
Key connector
3-conductor 3.5
(d)
mm (1/8")
Receive system
144 MHz band
SSB, CW
FM
440 MHz band
Single conversion superheterodyne
Double conversion superheterodyne
SSB, CW Double conversion superheterodyne
FM
Triple conversion superheterodyne
Intermediate frequencies (unit: MHz)
MAIN BAND SUB BAND
MODE
~---r----.----4----.-----r---~
1st
2nd
3rd
1st
2nd
3rd
SSB 10.8500 10.9500
IL.
....................................................................
.
X
>
CW 10.8491 10.9491
...
__
........................................................................................ .
FM 10.8500 0.4550 10.9500 0.4550
SSB 71.2500 10.8500
71.3500
10.9500
IL.
...................................................................
.
X
~
CW
71.2491 10.8491
71.3491
10.9491
FM
71.2500 10.8500 0.4550 71.3500 10.9500 0.4550
Sensitivity (both VHF and UHF bands)
SSB, CW
0.11
IlV for
10
dB
SIN
FM
0.181lV for 12 dB SINAD
Squelch
sensitivity (both VHF and UHF bands)
SSB, CW Threshold Less than 1.0
IlV
Tight Less than 3.2 mV
FM
Threshold Less than
0.1
IlV
Selectivity
SSB, CW
CW
narrow
(optional)
FM
Spurious and image:
rejection ratio
Audio output power:
(at 13.8
V
DC)
IF shift variable
range
RIT variable range
SSB,
CW
FM
External speaker
connector
Tight Less than 3.2
mV
More than 2.3
kHz/-6
dB
Less than 4.2
kHz/-
60
dB
More than
0.5
kHz/-6
dB
Less than 1.34
kHz/-
60 dB
More than
15.0
kHz/-
6 dB
Less than
30.0 kHz/ -
60
dB
More than
60 dB
More than
2.0 W at 10 %
distortion with
an
8 Q load
More than
± 1 .2 kHz
More than
± 1.0 kHz
More than
± 5.0 kHz
2-conductor 3.5 (d) mm
(1/8")
/8
Q
x 2 (for MAIN and SUB bands)
All
stated
specifications
are
subject
to
change
without
notice
or
obligation.
1
-1

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