This unijunction programmable transistor circuit was found in the December 1968 issue of Radio Electronics magazine. The circuit is a half-wave control for incandescent lamps only.
This mechanical reverberator circuit for guitar was found in the February 1970 issue of Radio...
Found in an old English publication this circuit uses a dual gate MOSFET. Coils not specified....
This is the receiver for the previous circuit transmitter. Similarly, no information about the...