30-second delay (CB21416E)

Found in 1969 documentation, this circuit supplies a load after an interval given by R1 and C1. These components can be changed to other times.

| Clique na imagem para ampliar |

Mechanical Reverberator (CB23995E)
This mechanical reverberator circuit for guitar was found in the February 1970 issue of Radio...
11 to 32 MHz amplifier (CB22024E)
Found in an old English publication this circuit uses a dual gate MOSFET. Coils not specified....
Power Grid Data Receiver (CB4810E)
This is the receiver for the previous circuit transmitter. Similarly, no information about the...