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5 - 1
SECTION 5. ADJUSTMENT
PROCEDURE
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JIG CABLE
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POWER SUPPLY
EQUIPMENT
GRADE AND RANGE
EQUIPMENT
GRADE AND RANGE
Power supply
Voltage range
: 1–12 V DC
Current capacity
: 3 A
JIG cables
(See the illust shown below)
RF power meter
(50
Ω
terminated)
Measuring range
: 0.1–10 W
Frequency range
: 100–300 MHz
SWR
: Less than 1.2 : 1
Frequency counter
Frequency range
: 0.1–300 MHz
Frequency accuracy : ±0.5 ppm or better
Input level
: Less than 1 mW
Modulation
Analyzer
Frequency range
: 0.1–300 MHz
Measuring range
: 0 to ±10 kHz
Standard signal
generator (SSG)
Frequency range
: 0.1–300 MHz
Output level
: –20 dBµ to 90 dBµ
(–127 to –17 dBm)
AC millivolt meter
Measuring range
:10 mV to 10 V
Attenuator
Power attenuation
: 30 dB
Capacity
: More than 10 W
Voltmeter
Measuring range
: 1–12 V
Audio generator
(AG)
Frequency range
: 300–3000 Hz
Output level
: 1–500 mV
5-1 PREPARATION
• JIG cable #1
• JIG cable #2
3-conductor 2.5 (d) mm plug
(MIC)
(GND)
33 k
+ −
AC
MILLIVOLTMETER
(10 mV to 10 V)
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
+ −
PTT
+
4.7 µF
3-conductor 3.5 (d) mm plug
(REMOTE)
(SP)
(GND)
82 k
Ω
DC power supply
1–12 V/3 A
+
–
“7.2 V”
VOLTMETER
+
−
CAUTION!:
BACK UP
the originally programmed memory data in the transceiver before starting adjustment.
When the adjustment is fi nished, the memory data may be cleared.