Schematic
BOM
R1
1M
R2
100K
R3
10K
R4
10K
R5
1K
R6
220K
R7
150K
R8
10K
R9
10K
R10
470R
R11
100K
R12
22K
R13
1K
R14
10K
R15
2K2
R16
22K
R17
100K
R18
10K
R19
10K
R20
100K
R21
10K
R22
10K
R23
1K
R24
100K
R25
100R
R26
2K2 (CLR)
C1
10u
C2
10u
C3
10u
C4
10u
C5
10u
C6
10u
C7
10u
C8
10u
C9
1n
C10
100n
C11
10u
C12
10u
C13
10u
C14
100u
C15
1n
C16
10p
Q1-5
2N3904
D1,2
1N34A
D3
1N4001
GAIN
50KB
TONE
10KB
VOL
50KB
GREMLIN ALERT!
No label on the ‘IN’ pad.
Very high gain circuit. You WILL
pick up radio before you box it up.
W
ow
, t
ha
t’s
a
lo
t o
f 1
0u
c
ap
s!
