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5-2 PLL ADJUSTMENTS
ADJUSTMENT
ADJUSTMENT CONDITION
LOCK
1
• Operating channel : ch16
VOLTAGE
• Receiving
• Operating channel : ch16
2
• Output power
• Transmitting
• Operating channel : ch16
REFERENCE
1
• Output power
FREQUENCY
• Connect an RF power meter or a
50 Ω dummy load to the antenna
connector.
• Transmitting
MEASUREMENT
UNIT
MAIN
Connect a digital
multi-meter or oscil-
loscope
check point CP1.
: Low
Rear
Loosely couple the
: Low
Panel
frequency counter
to the antenna con-
nector.
5 - 2
VALUE
LOCATION
1.8 V
to
the
1.6 V
156.8000 MHz
ADJUSTMENT
POINT
UNIT
ADJUST
Verify
MAIN
C36
C36
Reference frequency
adjustment
CP1
PLL lock voltage
check point
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