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SPECIFICATIONS
TRANSMITTER
RECEIVER
ANTENNA TUNER
GENERAL
Mode
No. of memory channels
Antenna connector
Operating temp. range
Frequency stability
Frequency resolution
Power supply requirement
Current drain
Dimensions
(W×H×D,
projections not included)
Weight (approximate)
Receive system
Intermediate frequencies
Sensitivity (typical)
Squelch sensitivity
Selectivity
Spurious and image
rejection ratio
Audio output power
RIT variable range
Output power
Modulation system
Spurious emissions
Carrier suppression
Unwanted sideband
suppression
∂
TX variable range
Microphone impedance
Matching impedance
range
Minimum operating
power
Tuning accuracy
Insertion loss
USB, LSB, CW, RTTY, PSK31/63, AM, FM
101 (99 regular, 2 scan edges)
SO-239
×
4 and BNC
×
2 (50
Ω
unbalanced (Tuner off))
0°C to +50°C; +32°F to +122°F
Less than ±0.05ppm
(0°C to +50°C @ 54MHz, after warm up)
1Hz (minimum)
85–265V AC
TX: 800VA (Max. power)
RX: 130VA/120VA typ. (Max. audio/standby)
425×149×435 mm; 16.73×5.87×17.13 in
23.5 kg; 51.8 lb
Double conversion super-heterodyne system
Main receiver: 64.455MHz/36kHz (1st/2nd)
Sub receiver: 64.555MHz/36kHz (1st/2nd)
(HF: Pre-amp 1 ON, 50MHz: Pre-amp 2 ON)
SSB, CW, RTTY, PSK: Less than 5.6μV
(Pre-amp: OFF)
FM: Less than 1μV
(Pre-amp: OFF)
More than 70dB
More than 2.6W (10% distortion, 8
Ω
load)
±9.999kHz
SSB/CW/FM/RTTY/PSK: 5–200W
AM: 5–50W
Transverter connector (CW): More than –20dBm
SSB : Digital P.S.N. modulation
AM : Digital low power modulation
FM : Digital phase modulation
HF bands: More than 60dB
50MHz band: More than 70dB
More than 63dB
More than 70dB
±9.999kHz
600
Ω
(8-pin connector)
HF bands: 16.7
Ω
to 150
Ω
unbalanced
(VSWR better than 3:1)
50MHz: 20
Ω
to 125
Ω
unbalanced
(VSWR better than 2.5:1)
HF bands: 8W
50MHz band: 15W
VSWR 1.5:1 or less
Less than 1.0 dB (after tuning)
(Unit: MHz)
Receiver
Transmit
1.800–1.999
10.100–10.150
24.890–24.990
3.500–3.999
14.000–14.350
28.000–29.700
5.255–5.405*
2
18.068–18.168
50.000–54.000
7.000–7.300
21.000–21.450
All stated specifications are subject to change without notice or obligation.
OPTIONS
Some options may not be available in some countries. Please ask your dealer for details.
HM-36
HAND MICROPHONE
SP-33
EXTERNAL SPEAKER
Wooden box speaker.
SM-30
DESKTOP MICROPHONE
CT-17
CI-V LEVEL
CONVERTER
RS-BA1
IP REMOTE
CONTROL SOFTWARE
Windows
®
based software
RC-28
USB REMOTE ENCODER
For use with RS-BA1
Frequency coverage*
1
0.030–60.000*
2
*
1
Showing USA version. Varies according to version. *
2
Some frequency bands are not guaranteed.
SSB, CW, RTTY, PSK
(BW=2.4kHz, at 10dB S/N)
AM
(BW=6kHz, at 10dB S/N)
FM
(BW=15kHz, at 12dB
SINAD)
SSB
(BW=2.4kHz, sharp)
CW/RTTY/PSK
(BW=500Hz, sharp)
AM
(BW=6kHz)
FM
(BW=15kHz)
0.1–1.799MHz
0.5μV
6.3μV
–
More than
2.4kHz/–3dB
500Hz/–3dB
6.0kHz/–3dB
12.0kHz/–6dB
Less than
3.6kHz/–60dB
700Hz/–60dB
15.0kHz/–60dB
20.0kHz/–60dB
1.8–29.990MHz
0.16μV
2μV
0.5μV
(28–29.9MHz)
50–54MHz
0.13μV
1μV
0.32μV
SM-50
DESKTOP
MICROPHONE
IC-PW1/IC-PW1EURO
HF+50MHz 1kW LINEAR AMPLIFIER
SP-34
EXTERNAL SPEAKER
Automatic antenna tuner and compact detach
able controller are standard. 2 exciter inputs and
4 antenna connectors are available.
4 audio filters; headphone jack; can
connect to 2 transceivers.
Input impedance: 8
Ω
Max. input: 5W
Dynamic microphone with
[UP/DOWN] switches.
Supplied accessories:
(* May differs depending on version)
•
Rack mount handles
• SD card
• AC power cable • Spare fuses
• Plugs
Icom, Icom Inc. and Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany,
France, Spain, Russia, Australia, New Zealand, and/or other countries. Windows is either registered trademark or trademark of Microsoft Corporation in
the United States and/or other countries. All other trademarks are the properties of their respective holders.
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Printed in Japan
THE
TRANSCEIVER
Summary of Contents for IC-7851
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