This circuit is the receiver for the transmitter from the previous project. We also found it in the Radio Electronics Experimenter magazine, 1989 issue.
This circuit is from a 1979 documentation. The FET can be the BF245 or MPF102 and the bipolar...
The circuit shown is from the 1960 Mullard transistor reference manual. The circuit has a common...
This circuit was found in a 1981 publication and consists of an interesting handicraft game. The...