This is the basic configuration of an operational amplifier sample & hold circuit. The FET and transistor are commonly used. The circuit is from an 80's documentation.
This simple stage can operate with low frequency signals (audio), driving a small lodspeaker....
This amplifier can be powered with voltages between 2 and 5 V with power up to 100 mW. The minimum...
El circuito de la figura es un regulador de corriente con ajuste en el rango de 0 a 3 ampères. El...