This frequency divider by 10 uses discrete components only. Modern equivalent components can be used as the circuit is from an 80's documentation. Nearby frequencies can be used.
August 2017 - Texas Instruments' new integrated circuit BQ25872, a 7-A keyed battery charger with...
This field effect transistor amplifier circuit in common gate or common port configuration is from an old...
A high-frequency square wave oscillator using an LC-tuned circuit is shown here. The upper...