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 presented is a 10 MHz oscillator with crystal, which already has several splitters for...
We found this circuit in the August 1994 Electronics Now magazine. The circuit is based on the...
This circuit was obtained in a 1982 Maplin magazine. The circuit can be applied to equivalent power...