Sch BOM
R1
1M
R2
100R
R3
150K
R4
150K
R5
12K
R6
1M5
R7
12K
R8
150R
R9
2K2
R10
2K2
R11
150K
R12
33K
R13
22K
R14
390
R15
10K
R16
10K
R17
470K
R18
10K
R19
470
R20
4K7
R21
820
R22
CLR
C1
47p
C2
1u elec
C3
1u elec
C4
1u elec
C5
47n
C6
1u elec
C7
1u elec
C8
3n3
C9
47n
C10
1u elec
C11
1u elec
C12
1u elec
C13
10u elec
C14
22u elec
Q1-5
2N5210
RETURN
10KA
SEND
10KA
THRU
10KA
TONE
100KB
T-BYP
DPDT ON-ON
PHASE
SPDT ON-ON
You can probably use any
amount of BJTs for Q1-5,
but here at FDHQ we’ve
only tried the 2N5210 as
listed on Moosapotamus’
original schematic.
