Based on the Linear Technology LTC2054, this -48 V circuit was found in a 2005 manual. The circuit is powered with 5 V and can be used as a shield.
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...