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.
This is an improvement on the previous circuit with a preamplification stage. The circuit is from...
This bench circuit was found in the February 1998 issue of Electronics Now magazine. It can be...
This circuit was found in a 1967 Electronic Design. FETs are from the time, so modern equivalents can be...