This circuit identifies the polarity of DC signals and if the signal is AC. The circuit is from 1969 US EDN documentation. Operational may be equivalent.
Toshiba is selling through Mouser Electronics its high current SSM3 MOSFETs Series for mobile...
This lamp flasher configuration using an astable multivibrator is from a 1968 publication. The...
This approach alarm was found in Radio Electronics from July 1990. The circuit must be powered by a...