This circuit is from a 1968 Texas Instruments documentation. The components are from the time and the sensor photodiode is difficult to obtain today. The circuit has a response from 10 Hz to 20 kHz.
The circuit shown is from the GE semiconductor manual of 1977. In the table we have the values of the...
An interesting and useful configuration for the control of power loads is shown in the figure. In this...
This circuit with an industrial standard 4-20 mA interface uses a KPZ20G pressure sensor but can...