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.
This circuit was found in a 1967 Electronics World. Transistor Q1 can be a TIP321 and Q2 can be a...
This circuit was found in a 1980s documentation. The integrated circuit is from that time,...
A frequency divider for digital signals can be constructed based on a single 4018 integrated...