Icom IC-F620 Adjustment page 2

Adjustment No.
TX Output
TX Output Check
Current Check at
TX
Checking
Spurious
Adjustment Condition & Tuning
Use adjustment software to adjust the
adjustment output to the values below.
Adj. Freq. Greatest Low Band Freq.
Hi Power
L2 Power
L1 Power
Check that the in-band TX output is within
the specifications below.
Hi Power
L2 Power
L1 Power
Check that the in-band power consumption
is within the specifications below.
Hi Power
Connect a spectrum analyzer to the ANT
terminal through an attenuator.
Set the attenuation so that the spectrum
Analyzer does not distort.
Set the transceiver to TX and when at Hi
power, check that spurious is less than the
value below in the bandwidth.
Spurious Less than –70dB of the
ADJUSTMENT
25.0W
10.0W
2.5W
20.0~30.0W
8.0~12.5W
2.0~3.0W
Less than 7.0A
fundamental wave
Value Ref. No. CK. Point
Adj.Soft
Power
25.0W Hi
10.0W L2
2.5W L1
20-30W
8-12.5W
2.0-3.0W
Less 7.0A
Less than
-70 dB
ANT Con
ANT Con
ANT Con