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July 2020

Phase detector
A phase detector or phase comparator is a frequency mixer, analog multiplier or logic circuit that generates a voltage signal which represents the difference
Phase-locked loop
oscillator and a phase detector in a feedback loop. The oscillator generates a periodic signal, and the phase detector compares the phase of that signal
Detector (radio)
product detector. Product detector circuits are and so essentially ring modulators or synchronous detectors and closely related to some phase-sensitive
Gas chromatography
and organometalics. In this type of detector either nitrogen or 5% methane in argon is used as the mobile phase carrier gas. The carrier gas passes between
Phase detector characteristic
A phase detector characteristic is a function of phase difference describing the output of the phase detector. For the analysis of Phase detector it is
High-performance liquid chromatography
includes a degasser, sampler, pumps, and a detector. The sampler brings the sample mixture into the mobile phase stream which carries it into the column
Motion detector
A motion detector is an electrical device that utilizes a sensor to detect nearby motion. Such a device is often integrated as a component of a system
Gas detector
A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a
Evaporative light scattering detector
An evaporative light scattering detector (ELSD) is a detector used in conjunction with high-performance liquid chromatography (HPLC), Ultra high-performance
Lock-in amplifier
so called two-phase lock-in-amplifiers have a second detector, doing the same calculation as before, but with an additional 90° phase shift. Thus one