![background image](http://html1.mh-extra.com/html/icom/ic-22s/ic-22s_instruction-manual_3746076021.webp)
Icom IC-22S PLL Synthesized 2-Meter Transceiver
Instruction Manual and Service Notes
21
Voltage Chart
Transmit
Receive
Part
Base
Gate 1
Gate 2
Collector
Drain
Emitter
Source
Base
Gate 1
Gate 2
Collector
Or Drain
Emitter
Source
Comments
Q1
0.20V
-25.0V
0.26V
8.2V
6.8V
8.2V
Q2
0
4.3V
8.1V
0.24V
Q3
0
0
9.1V
E
Q4
0
8.0V
1.3V
Q5
1.85V
9.6V
1.7V
Q6
0.67V
2.45V
E
Q7
5.0V
6.6V
4.7V
Q8
0.00V
9.60V
0.00V
1.35V
5.1V
1.0V
Squelch Open
Q9
2.4V
9.3V
3.2V
Q10
5.90V
9.60V
5.50V
6.1V
9.7V
5.7V
Q11
0.05V
13.80V
E
0.75V
0.35V
E
Squelch Closed
Q12
0.65V
0.75V
E
0
8.0V
E
Q13
1.35V
5.8V
0.8V
Q14
1.35V
9.4V
0.75V
Q15
0.26V
12.9V
0.90V
0
13.5V
0.7V
Q16
12.9V
6.60V
13.70V
13.5V
13.8V
13.8V
Q17
-0.125V
13.70V
E
0
13.8V
E
Q18
-0.4V
13.70V
E
13.8V
E
Q19
0.85V
7.20V
0.18V
13.8V
0
Q20
0.02V
0.95V
E
Q21
0.60V
0.26V
9.70V
Q22
0.00V
4.60V
8.40V
0.26V
Q24
4.70V
9.70V
4.20V
Q25
5.70V
9.60V
5.40V
9.6V
5.4V
Q26
0.70V
1.65V
“E”
1.65V
E
Q27
0.65V
0.70V
“E”
0.70V
E
Q28
0.55V
0.65V
“E”
0.65V
E
Q29
0.83V
7.70V
8.80V
7.7V
8.8V
Q30
0.84V
8.10V
7.9V
8.1V
7.9V
Q31
10.30V
12.60V
9.7V
12.7V
9.7V
Q32
10.30V
12.90V
9.7V
13.8V
0.35V
Q33
0.75V
10.30V
0.26V
0.85V
0.85V
Q34
0.85V
13.70V
0.26V
12.9V
9.7V