This Texas Instruments circuit is from the 80's. However, it can be implemented with modern operating systems. The power supply must be symmetrical.
This is a classic FM amplifier IF amplification stage configuration. The circuit is from a 1980s...
This staircase generator was found in the July 1991 issue of Radio Electronics magazine. Its...
This 80's circuitry decodes stereo signals used in analog TV at the time. The circuit can be used...