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4-1
SECTION 4
ADJUSTMENT PROCEDURE
4-1 PREPARATION
■
REQUIRED EQUIPMENT
EQUIPMENT
SPECIFICATIONS
EQUIPMENT
SPECIFICATIONS
DC power supply
Output voltage:
13.8 V
Current capacity: 25 A or more
Shunt plug
Modified 3.5 mm (⅛ inch) monaural
plug. (See the next page.)
RF power meter
(50 Ω terminated)
Measuring range: 1~120 W
Frequency range: 0.1~60 MHz
SWR:
Less than 1.2 : 1
Standard signal
generator (SSG)
Frequency range: 0.1~60 MHz
Output level:
−20 dBμ to 94 dBμ
(−127 to −13 dBm)
Frequency counter
Range:
0.1~60 MHz
Accuracy:
±1 ppm or better
Input level:
Less than 1 mW
Audio generator (AG)
Frequency range: 300~3000 Hz
Output level:
1~500 mV
AC millivoltmeter
Measuring range: 10 mV to 10 V
Attenuator
Attenuation:
50 dB
Capacity:
More than 120 W Dummy Loads
Impedance:
50 Ω and 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
to [DC 13.8V]
Fuses 30 A
DC power supply
(13.8 V/25 A)
+
_
Black
_
Supplied DC power cable
to [ANT1]
DUMMY LOAD
(100 Ω/120 W)
RF POWER METER
(120 W/50 Ω)
STANDARD SIGNAL GENERATOR
(0.1~60 MHz)
NEVER TRANSMIT
while the SSG is connected.
FREQUENCY COUNTER
(0.1~60 MHz)
ATTENUATOR
(50 dB/120 W)
to [ANT2]
+
Red