This circuit tunes MW radios to apply the signal to a good audio amplifier. The circuit is from an old documentation. Transistors are general purpose types.
March 2017 - Texas Instruments is already making available through Mouser Electronics the LP5907 an...
This circuit can function as an output shield for microcontrollers, being compatible with TTL...
This circuit was found in American documentation from the 1980s. The integrated circuit used is a...