This 80's General Electric circuit is guarded by the noise-guard for operating current. The circuit has an input sensitivity of 3 pA. The font must be symmetrical.
This traditional configuration from a simple 12 V source is from a 1977 publication. The...
This circuit was found in an old documentation from Europe. The integrated circuit used is...
This circuit for a 6.3 V lamp was found in a 1970’s RCA documentation. The circuit applies to any triac...