This simple 1-transistor audio preamplifier appeared in the June 1968 Radio Electronics magazine. The transistor is a general-purpose type of the time. The gain is 14 dB.
This circuit turns on a lamp after the time set on the potentiometer. The circuit is from a Radio...
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
In a voltage follower, the voltage gain is unitary, the input impedance is very high, and the...