This circuit is from an old documentation making use of a 3,579,645 MHz analog color television crystal. The audio amplifier supports the equivalent.
We found this circuit in the October 1994 Electronics Now magazine. The CMOS IC is uncommon these...
June 2017 - The new touch screens with resistive sensors of the FK Series from NKK Switches can...
The power source shown for powering for small TTL circuits was found on a Radio Electronics...