For Part 1, click here. High-speed optical communications applications have some high-level transimpedance-amplifier (TIA) circuit similarities with laser rangefinders (LRFs) and LiDAR. However, there ...

Vishay’s VEML6046X00 RGB IR sensor is AEC-Q100 qualified for use in vehicle displays and interior lighting. This compact device integrates a photodiode, low-noise amplifier, and 16-bit ADC in an ...

This L-810 LED red obstruction light from Flight Light Inc. is compatible with night vision equipment. Reader Bob Meister wrote to Radio World with the following question: In the Feb. 3 issue, a ...

The traditional theremin is more or less an audio oscillator with two metal rods. Using proximity sensing, one rod controls the pitch of the oscillator and the other controls the volume. [Teodor ...

Many noncontact temperature-measurement systems use infrared sensors, such as thermopiles, which can detect small amounts of heat radiation. Biomedical thermometers that measure the temperature of an ...