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 the June 1982 issue of Radio Electronics magazine. It provides reference...
With this source, it is possible to obtain a higher output voltage than that obtained by the...
This circuit was found in a 70s American documentation. The operational amplifier supports a modern...