This unijunction transistor circuit is a frequency divider synchronized to 100 kHz. The circuit was found in a Radio Electronics from July 1968. The adjustment of R4 is important.
To a 16-0hm load, this amplifier provides a power of 10 W. We found this circuit in a Motorola...
This distortion circuit was found in an American publication from 1970. It can be assembled with...
This configuration was found in an English magazine from 1965. It is valid for any junction FET. The...