This circuit for a 6.3 V lamp was found in a 1970’s RCA documentation. The circuit applies to any triac and the LDR can be of any type.
The circuit presented requires a simple 12 V supply and was suggested by Motorola in its 1990...
Found in a 90s Linear Technology documentation, this circuit is intended for powering cold cathode...
This filter is current driven and has the formulas given by the two diagram options. The circuit...