The operating frequency of this circuit is 465 Hz and the input voltage is 12 VAC. The circuit is 65% efficient. We found it in a 1968 Motorola publication.
The circuit shown simulates a programmable unijunction transistor (PUT). Transistors may be common...
This electronic car lock was found in a 1988 magazine. It uses a code key that must be activated to...
The diagram shows an AND gate implemented with an LM3900 transconductance operational. The circuit is...