This circuit was found in a 1964 Electronic Design. The circuit makes use of transistors of the time. Current equivalent transistors may be experienced.
This circuit is from a simple TTL sequential system using 4 LEDs. The experimental circuit must be...
This amplifier provides up to 15 W of output when powered by a simple 12 V source. The integrated...
This sophisticated timed sonic switch was found in a 2001 documentation. It has a timer with a...