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Icom IC-7851 User Manual

Icom IC-7851
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3-7
3
INSTALLATION AND CONNECTIONS
Linear amplifier connections
D Connecting the IC-PW1/EURO
D Connecting a non-Icom linear amplier
R WARNING!
Set the transceiver output power and linear ampli-
fier ALC output level referring to the linear amplifier
instruction manual.
The ALC input level must be in the range 0 V to
–4 V. The transceiver does not accept positive volt-
age. Non-matched ALC and RF power settings
could cause a fire or damage the linear amplifier.
The maximum control level of [RELAY] jack
is 16 V/0.5 A DC with the initial setting, and
250 V/200 mA with the “MOS-FET” setting (see p.
20-4 for details). Use an external relay unit when
your non-Icom linear amplifier requires a control
voltage and/or current greater than specified.
When using a linear amplifier that has a time delay
between receiving and transmitting, a high SWR
might cause the linear amplifier to malfunction. To
prevent this, slow the TX Delay the “TX Delay (HF),
(50M)” settings in the Others Set mode. (p. 15-13)
SET (F-7) > OTHERS (F-5) > TX Delay (HF), (50M)
L
B
To an
antenna
ACC-1
ANT
ANT2
ANT1
ACC 2
INPUT1
INPUT2
REMOTE
EXCITER
1
1&2
GND
GND
IC-PW1/EURO
AC outlet
(Non-European versions : 100–120/220–240 V
European version: 230 V)
Ground
Transceiver
REMOTE
Remote control cable
(supplied with the IC-PW1/EURO)
ACC cable
(supplied with the IC-PW1/EURO)
Be sure to connect
the cable to the 7-pin
ACC 2 jack.
Coaxial cable*
*Optional
Connect [INPUT2]
if necessary
Coaxial cable
(supplied with the
IC-PW1/EURO)
RF OUTPUT RF INPUT
ALC
SEND
L
B
50
coaxial
cable
Transceiver
ANT1
ALC
RELAY
To an
antenna
Non-Icom linear amplifier

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Icom IC-7851 Specifications

General IconGeneral
BrandIcom
ModelIC-7851
CategoryTransceiver
LanguageEnglish

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