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.
This 1992 circuit has a diode normally replacing the diac that is used in this type of...
This oscillator was found in the January 1996 issue of Electronics Now magazine. The frequency is given by...
This circuit divides the voltage of a source by 2, allowing its use as a symmetrical source. In...