Circuit Diagram Triangle


Circuit Diagram Triangle - In the mid 1970s large numbers of small FM transmitters, operating in the FM radio broadcast band (88-108 MHz) appeared on the market. It started with a self-build kit from the Danish manufacturer Jostykit that allowed everyone to build a small FM transmitter for a few Euros.. Telephone line interfacing described. Telephone line audio interface circuits. Copyright 1996-2001 Tomi Engdahl.