Parts List for REV1 CT-30 or [CT-30DW] CTCSS board:

U1 - CT-30 FX465D5 (MX465DS) (CML)
U1 - [CT-30DW MX465DW (CML)]
U2 - 78L05

Q1 - 2N2907
Q2 - 2N2222

D1 - 1N4004
D2 - LED - Red
D3 - 1N4148

R1 - 1k
R2 - 100 ohms
R3 - 680 ohms
R4 - 1 Meg
R5 - 560k
R6 - 820k
R7 - 10k
R8 - 10k
R9 - 10k
R10 - 1k

X1 - 4.000 MHz Crystal
Plastic spacer for crystal - DW boards only.

S1 - 6 position DIP switch

SJ1-2 - 3 position header (yellow) with short
SJ3   - 2 position header (white) with short
6 position header (blue) - optionally installed for remote tone selection.

C1 - .12 uF film [.1uf ceramic]
C2 - 33 pF SM
C3 - 18 pF SM
C4 - 4.7 uF
C5 - .12 uF film [.1uf ceramic]
C6 - .47 uF
C7 - .22 uF
C8 - 47 pF
C9 - .12 uF film
C10 - .12 uF film
C11 - .12 uF film
C12 - .12 uF film
C13 - .12 uF film
C14 - 47 pF
C15 - 47 pF
C16 - .47 uF
C17 - .12 uF film
C18 - .47 uF
C19 - [4.7uf] beside U2 - DW boards only

1 - DB25 Female chassis connector

1 - REV1 CT-30 circuit board or [REV1 CT-30DW circuit board].

Copyright 2015 Kevin K. Custer - W3KKC
Updated December 2022 to include "DW" version.
Masters Communications
All Rights Reserved