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5-2 PLL ADJUSTMENT
PLL LOCK
VOLTAGE
1
2
• Operating frequency :
136.000 MHz (L-band)
146.000 MHz (H-band)
• Receiving
• Transmitting
MAIN Connect a digital multi
meter to check point
LV.
2.0 V
1.5–2.5 V
MAIN L11
Verify
ADJUSTMENT ADJUSTMENT CONDITIONS
UNIT LOCATION
VALUE
UNIT ADJUST
MEASUREMENT ADJUSTMENT
L11
PLL lock voltage
adjustment
LV
PLL lock voltage
check point
• MAIN unit
Bottom view
RF power meter