Suggested by a Philips documentation from 1970, this circuit uses period components, operating at 50 Hz. The current consumed is 10 A and the input voltage is 12 V.
A high level on the input of this circuit causes the trim voltage adjusted output voltage to drop to 1.2...
EDN magazine in a 90's issue published this TTL technology debouncer flip flop circuit, in this...
This filter was found in Radio Electronics, and its configuration can be applied to any...