This circuit was found in an American documentation from 1969. It serves to trigger circuits by providing a 7.5 V signal at the output from 500 mV pulses.
This circuit from a 1970s General Electric publication applies to motors of the series winding type....
This microphone preamplifier with output intensity adjustment is suitable for modulating...
This circuit is from a project published in the March 1996 Electronics Now magazine. The author used...