Found in an American publication from 1968, this circuit generates pulses at a rate of 2,500 per second. The transistor can be replaced by a modern equivalent.
This variable gain circuit for analog video signals was found in a 90s Linear Technology...
This circuit was obtained from the 1976 Siemens integrated circuits manual. It is the circuit for...
This circuit uses a 741 operational amplifier that must be powered by a symmetrical source of 6 to...