This circuit can function as an output shield for microcontrollers, being compatible with TTL logic. The frequency is adjusted in the trimpot. TTL power is 5 V.
In a voltage follower, the voltage gain is unitary, the input impedance is very high, and the...
This circuit was found in the February 1971 issue of Radio Electronics magazine. It is designed to power...
This low-cost MW receiver is from the SGS linear integrated circuit manual. The coil wire can be...