This small transmitter appeared in the March 1989 issue of Radio Electronics magazine. The two-transistor circuit used an electret microphone and had a range of a few dozen meters.
This circuit is from 2001 documentation and consists of a small FM transmitter with two inputs, one...
This small source for low consumption projects was found in an old national documentation. The...
We found this receiver for medium and short waves in a publication from the 1980s. The medium wave...