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.
Found in a magazine 73 for radio amateurs, this circuit operates in the 144 MHz band, at a...
The frequency of this oscillator depends on the crystal. The transistor supports equivalent, and...
This simple bridge circuit can be used for impedance or resistance measurement using a high...