4-1
SECTION 4
ADJUSTMENT PROCEDURE
4-1 PREPARATION
■
REQUIRED EQUIPMENT
EQUIPMENT
GRADE AND RANGE
EQUIPMENT
GRADE AND RANGE
DC power supply Output voltage:
13.8 V±15%
Current capacity:
25 A or more
Shunt plug
Modified 3.5 mm (⅛ inch) monaural plug.
(See the illustration shown on page 4-2.)
RF power meter
(50 Ω terminated)
Measuring range:
1 ~ 120 W
Frequency range:
0.1 ~ 1500 MHz
SWR:
Less than 1.2 : 1
Standard signal
generator (SSG)
Frequency range: 0.1 ~ 1500 MHz
Output level:
−20 to 90 dBμ
(−127 to −17 dBm)
10 MHz reference
signal generator
Frequency accuracy: ±5×10
−4
ppm or less Audio generator
(AG)
Frequency range: 300 ~ 3000 Hz
Output level:
1 ~ 500 mV
AC millivoltmeter Measuring range:
10 mV to 10 V
Dummy Loads
Impedance:
100 Ω
Capacity:
More than 120 W
■
CONNECTIONS
●
Connections on the Front panel
[MIC]
Audio
generator
[MIC]
MIC
MICE
AC
millivoltmeter
●
Connections on the Rear panel
RF POWER METER
(120 W/50 Ω)
STANDARD SIGNAL GENERATOR
(0.1~1500 MHz)
NEVER TRANSMIT
while the SSG is connected.
DUMMY LOAD
(100
Ω/120 W)
Used for SWR meter adjustments. (VSWR 2:1)
to [144MHz ANT]
to [430MHz ANT]
to [REF IN 10MHz]
to [1200MHz ANT]
10 MHz REFERENCE
SIGNAL GENERATOR
(
−10 dBm)
to [DC 13.8V]
DC POWER SUPPLY
(13.8 V/25 A)
Red
Black
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