With this circuit it is possible to modulate pulses from a pulsating input signal. The PNP transistor can be the BC558 and the power must be supplied with 5 V.
El circuito de la figura es un regulador de corriente con ajuste en el rango de 0 a 3 ampères. El...
This circuit was found in the 1969 RCA thyristor manual. The circuit has a limiter (clipping) with two 12...
I found this simple zener diodes voltage divider circuit in an old documentation. The resistor...