Found ina 1970 American documentation this fast-reading circuit uses a photodiode. Transistors support modern equivalents. The circuit can be used as a shield.
This circuit was found in the 1967 RCA SCR manual. The circuit generates approximately 300 V at a...
Found in American documentation from the 90s, this circuit can be applied to other operational ones. We...
We found this circuit in a technical documentation from the 70s. It can be implemented with more...