This circuit was obtained from Popular Electronics of the 1990s. The circuit uses common transistors today and the frequency is given by the crystal.
September 2016 - Mouser Electronics is offering the new oscillator clock PECL series PE55K of the...
This symmetrical limiter or reaper circuit is based on a zener diode. Voltage drop across common...
This circuit was found in the August 1994 issue of Electronics Now magazine. The 4046 is uncommon...