We found this circuit in an old documentation. The integrated circuits used are specific to produce effects and do not admit equivalents, being currently difficult to find.
This electronic rheostat with SCR was found in the June 1964 Radio Electronics magazine. The SCR...
This circuit consists of a small inverter to light a low voltage neon lamp. The circuit is from a...
Unlike the CIR4620 circuit, the circuit shown in the figure operates by capacitance. This means...