This is a single transistor stage for a phototransistor. The circuit is suggested by Texas Instruments and power voltage is 15 V. Any phototransistor can be used and the BC213 can be replaced by a BC548.
This is a single transistor stage for a phototransistor. The circuit is suggested by Texas Instruments and power voltage is 15 V. Any phototransistor can be used and the BC213 can be replaced by a BC548.