We found this circuit in a Motorola documentation from 1968. Phototransistors are common and bipolar general purpose.
This circuit uses a common multimeter on the voltage scale. The calibration of the scale should be...
This circuit is part of an article published in the February 1994 Electronics Now magazine. The...
This amplifier is from Motorola's 1990 Linear Databook. The circuit can be used with operating...