Ratio Detector Circuit

Ratio Detector Circuit: In the Foster-Seeley discriminator, changes in the magnitude of the input signal will give rise to amplitude changes in the resulting output voltage. This makes prior limiting…

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Transistor Detector Circuit Working Principle

Transistor Detector Circuit Working Principle: It is possible to achieve amplitude demodulation by using a three-element electronic device. A typical example of such a configuration is illustrated in Fig. 22.51.…

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Linear Diode Detector or Envelope Detector

Linear Diode Detector or Envelope Detector: Diode detection is called the envelope detection as it recovers the audio frequency signal envelope from the composite signal. Diode detector is also called…

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Photodetectors – Definition and Applications

Photodetectors - Definition and Applications: Photodetectors are the semiconductor devices that can detect optical signals through electronic processes. The extension of coherent and incoherent light sources into the far-infrared region…

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Zero Crossing Detector Circuit

Zero Crossing Detector Circuit: Zero Crossing Detector Circuit basically involves the sine to square wave conversion by a level detector circuit followed by a pulse circuit, which consists of one…

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Optocoupler Circuit Operation

Optocoupler Circuit Operation: An Optocoupler Circuit Operation (optoelectronic coupler) is essentially a photo-transistor and an LED combined in one package. Figure 20-35(a) and (b) shows the typical circuit and terminal…

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IC Operational Amplifiers Articles

IC Operational Amplifiers Articles: Biasing Bipolar Op Amp Circuit : Biasing Bipolar Op Amp Circuit – Like other electronic devices, operational amplifiers must be correctly biased if they are to…

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