This converter was found in the June 1991 issue of Radio Electronics magazine. The circuit uses common circuits at the time and its operating range can be changed.
The circuit shown here is a CCO. The frequency here depends on the current through the...
This circuit can be used with the CIR12642E TTL Roulette, or other game circuits that must draw...
Found in Linear Technology documentation from the 90s, this circuit uses components from that...