This excellent 30 W tube amplifier appeared in the April 1963 Radio Electronics magazine that taught how to assemble it. The critical components in our time are tubes and transformers.
This circuit was found in the August 1993 Electronics Now magazine. It is for telephones used on...
August 2016 - It can be obtained from Mouser Electronics the new single controller LCD S1D13L04 from...
This sensitive circuit for triggering relays was found in an old English publication. It works with...