Found in a 1990s American technical brochure, this circuit is intended for alarms that use as photodiode sensors. The circuit has a frequency response of up to 20 kHz. The gain is 40 dB.
We found this circuit in a 1974 integrated circuit manual. Operational amplifiers can be of...
This circuit converts the voltage from 0 to 5 V set in R10 into a digital output that corresponds to the...
In the figure we present a circuit of a signal conditioner for microphone using the integrated circuit...