Elecraft KXB3080 - Manual (Page 20)

20
G G
L1
47µH
R 1
470
L2
47µH
R 2
470
D1
C8
0.1
C5
300
L4
47µH
R 4
240
L5
47µH
R 5
240
D2 C3
0.1 C4
40
A B
C2
300
C1
40
C
L3
47µH
R 3
240
R 6
R 7
5
D
470
470
5V
Q1
E
R 8
15K
C10
0.1
5V, 80 M
3.5V ON, 2.5V OFF
C9
10 µF
F
C6
0.1
C7
0.1
5V, 30M
2N3906
D3
1N4148
ON diode Current
enabled: ~2 mA;
with 30 or 80 m caps
both enabled: ~1.2 mA
G
Figure 17. KXB3080 Module Schematic.