This circuit is from the 80's and can be implemented with modern equivalent components. R1 is 2M5, R2 and 5M R3. The photodiode is of any type and the circuit can be used as a shield. Power voltage should be 5 V.
This circuit is from the 80's and can be implemented with modern equivalent components. R1 is 2M5, R2 and 5M R3. The photodiode is of any type and the circuit can be used as a shield. Power voltage should be 5 V.
