Found in documentation from the 1980s, this circuit can have several adaptations to use modern transistors and LEDs instead of the lamp. The power supply voltage can also be changed.
This non-inverting AC amplifier was found on a Popular Electronics. The setting applies to any...
This 80's circuit makes use of a photomultiplier valve. The circuit also requires a scintillation...
This circuit was suggested by Analog Devices in its manual of linear integrated circuits. Many...