This circuit was found in a 1969 Motorola documentation. The FET admits an equivalent. The circuit has high input impedance and is powered by voltages from 6 to 30 V.
This circuit matches a high impedance input signal with a low impedance output. This circuit is...
This version of the test lights a lamp when the ring touches the tortuous wire. The SCR can be the...
This circuit was obtained in a technical documentation on SCRs of 1976. The circuit can be...