The use of a diac improves the performance of the two dimmers in the previous circuits. The circuit is from the same Radio Electronics magazine in an article that teaches how to use triacs.
Other operational amplifiers from the same family such as MC34002, MC35001, MC34004 and MC35004 can...
This oscillator uses germanium transistors. It was found in the Radio Electronics magazine of may...
This circuit is from a documentation on Motorola interfacing techniques from 1975. The Darlington may be...