This circuit with the CA3059 was found in the July 1995 Elexctronics Now magazine. The signal must be DC, and the circuit is not isolated from the mains.
This is a common crystal oscillator configuration with 80s transistors. The circuit has the...
This circuit was adapted from a 1995 Electronics Now magazine. He shows how to implement a type of...
September 2017 - Texas Instruments PCM186x and PCM186x-Q1 Audio ADCs can be found at Mouser...