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, suggested by Siemens, allows the activation of 24 V solenoids from TTL LSL signals,...
This circuit is the factory version of the LM386 low-power amplifier. The sound quality is...
We found this circuit in a 1978 publication. The diodes can be 1N4002 or 1N4004 and the secondary of...