This circuit was found in Analog Devices documentation from the 90's. The integrated circuit used is from the time. The circuit is for HDTV signals. of the time.
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...