Optical systems have many unique attributes that make them useful for range detection and communications, but often the optical signal needs to be converted to an electrical signal as part of the ...

This Photodiode based Alarm can be used to give a warning alarm when someone passes through a protected area. The circuit is kept standby through a laser beam or IR beam focused on to the Photodiode.

A Li-Fi (light fidelity)-based optical communication system is designed to transmit digital data as light signals using a ...

This file type includes high resolution graphics and schematics. The photodiode remains the basic choice for photo-detection among solid-state detectors (Fig. 1). It is widely used in optical ...

Members can download this article in PDF format. The precision op amp plays a key role in analog and mixed-signal circuits. Applications extend from measuring large currents by amplifying the voltage ...