The ZN416E integrated circuit is uncommon today. It consists of a complete radio, like the one found in a 90s Popular Electronics. The power is from a single battery.
This circuit is from a Radio Electronics from February 1970. The integrated circuit is an...
This circuit uses common components in our market, despite being from a 1996 publication. The...
This circuit is from 1997 when Camcorder-type video cameras that used powerful batteries were...