This setting applies to virtually any photo transistor and any operational amplifier. The power supply must be symmetrical, and the gain is determined by the relationship between R2 and R1.
Taken from the 1982 SGS manual on integrated circuits, this preamplifier was used in commercial...
This circuit was obtained from English documentation on FETs. The JFET can be any general purpose and...
This power inverter circuit was found in Radio Electronics magazine from December 1959....