This circuit was found in an American documentation from the 80's. The components are from that time. It provides a variable output of 18 to 30 V with a current of 200 mA.
Found in American documentation from the 90s, this circuit uses TTL technology and is therefore...
Found in a 1968 Electronic Design, this circuit is intended for suppression of trigger noise in...
This amplifier for audio transmission lines was found in a 1961 American publication. The critical...