Suggested by General Electric in a 1968 documentation this integrated amplifier uses a component of the era, the PA237. The circuit runs on 24 V and excites a 16-ohm speaker.
This circuit contains a voltage doubler that comprises two diodes and two capacitors, in order to...
One touch of the X1 sensor and the capacitor C1 charges, causing the power transistor to drive by...
This circuit was found in a 90s Motorola documentation. The circuit uses two SCRs that must be...