Figure 11 Typical Circuit Voltages - ozQRP MST400 Construction Manual

Location
U1 pin 8
U1 pin 5
U2 pin 8
U2 pin 5
U3 pin 7
U3 pin 6
U4 pin 6
U4 pin 5
Q1 collector
Q1 emitter
Q2 emitter
Q4 emitter
Q3 collector
U5 pin 8
U5 pin 5
Q9 emitter
Q6 emitter
Q7 gate
Note readings taken with a power supply voltage of 13.8V DC.
MST Construction Manual – Issue 1
V DC Receive
+6.8V
+5.6V
+6.8V
+5.6V
+13.3V
+6.7V
+13.7V
+6.7V
9V
5.6V
0V
0V
0V
0V
0V
0V
0V
0V

Figure 11 Typical circuit voltages.

V DC Transmit
0V
0V
0V
0V
0V
0V
0V
0V
9V
5.6V
6V
7.2V
8V
+6.8V
+5.6V
1.5V
1.5V
3.9V
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