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.
We found this circuit in a 1992 Popular Electronics. The circuit has an optical sensor with LED...
The circuit shown in the figure has an output voltage rise time of 0.22 ms and an input time...
This interesting circuit causes a set of LEDs to flash at a speed controlled by the CI1 in an...