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SPECIFICATIONS
Frequency coverage:
3.5
7
10
14
18
21
24.5
28
3.5-4.0 MHz
7.0-7.5 MHz
10.0-10.5 MHz
14.0-14.5 MHz
18.0-18.5 MHz
21.0-21.5 MHz
24.5-25.0 MHz
28.0-29.7 MHz
Input impédance:
50 ohms
Max. variation in load impédance:
approx. 10-250 ohms
Insertion loss:
0.5 dB max.
Rear panel antenna connection:
UHF type connecter
Dimensions:
2 3 8 ( W ) x 5 5 ( H ) x 180(D)mm
Weight:
2.0kg
SWRcalibration:
To5:l SWR
Maximum transmitter power:
1 5 0 W R F @ 5 0 o h m s
Power meter calibration scales:
15 W, 150W
MODIFICATION OF THE FC-700 FOR USE WITH IHE FT-747GX
The relay and panel lamp in (he FC-700 require 8 VDC. supplîed
through thé DC8V jack on Ihe rear of thé Antenna Tuner.
A l t h o u g h it is possible 10 use thé FC-700 w i t h o u t modification
by supplying 8V. from an external source, thé FT-747GX does
not offer such voltage.
This modification allows thé FC-700 to be operated from thé
DG13.5V outpui jack on thé rear panel of Ihe FT-747GX. so that
thé FC-700 can be switched on and off with thé tran^eiver. Be
sure to change thé DC8V label on thé FC-700 to DC13.5V after
m a k i n g this modification.
Remove thé covers from thé FC-700.
( 1 )
Referring 10 Figure I. remove thé two B L A C K wires from
thé meter lamp terminal, and connect thé one from thé
DC8V jack to thé solder lug near thé mêler (thé other is
not used).
(2)
Install a 56-ohm. 2-watt resistor between thé meter lamp
terminal and thé solder lug with thé BLACK wire.
(3)
Referring to Figure 2, remove thé BLUE wire from thé
terminal post on thé RL Unit.
(4)
Connect one end of a 100-ohm, 4-watt resistor to thé terminal
post. and connecl thé B L U E wire to thé other end of thé
resistor.
Modification is complète. Replace thé covers. relabel ihe DC8V
jack DCI3.5V, and connect this jack to thé +13.5V jack on
thé FT-747GX.
Install a 56-ohm, 2W Resistor
Remove & reconnect thé BLACK wire
Figure 1
Installa lOO-ohm, I/2W Resistor
Remove & reconnect thé BLUE wire
Figure 2
- 2 -
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