This circuit was found in a documentation from 1948. There are 5 valves with push-pull output. The source uses a transformer, and the indicated application is with turntables.
This is an amplifier for recorder and return containing preamplifier and power amplifier with...
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...
El circuito de la figura es un regulador de corriente con ajuste en el rango de 0 a 3 ampères. El...