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Small Signal Model of FET

Small Signal Model of FET: The Small Signal Model of FET which consists of Low Frequency Small Signal Model for FET and High Frequency Model for FET. Low Frequency Model:…

Advantages and Disadvantages of JFET

Advantages and Disadvantages of JFET: Junction field-effect transistors combine several merits of both conventional (or bipolar) transistors and vacuum tubes. Some of these advantages and disadvantages of JFET are enumerated…

Junction Field Effect Transistor (JFET) – Construction, Symbols and Operation

Junction Field Effect Transistor (JFET) - Construction, Symbols and Operation: Depending upon the majority charge carriers, Junction Field Effect Transistor (JFET) have been classified into two types, namely (i) N-channel…

Crystal Oscillators – Circuit, Working, Advantages and Disadvantages

Crystal Oscillators - Circuit, Working, Advantages and Disadvantages: In crystal oscillators, the usual electrical resonant circuit is replaced by a mechanically vibrating crystal. The crystal (usually quartz) has a high…

Colpitts Oscillator using Transistor Circuit

Colpitts Oscillator using Transistor Circuit: The Colpitts oscillator circuit is a superb circuit and is widely used in commercial signal generators up to 100 MHz. The basic Colpitts Oscillator using…

Tuned Base Oscillator – Definition and Working Principle

Tuned Base Oscillator - Definition and Working Principle: When a parallel tuned L-C circuit is placed in the base-to-ground circuit, the oscillator is known as the tuned base oscillator. The…

Tuned Collector Oscillator – Definition, Working and Equation

Tuned Collector Oscillator - Definition, Working and Equation: The basic circuit of a tuned collector oscillator is shown in Fig. 21.7. It is called the tuned collector oscillator, because the…

What is Optoelectronic Devices?

What is Optoelectronic Devices? Optoelectronics is the technology that combines optics and electronics and the devices based on this technology are known as optoelectronic devices. These devices include emitters, sensors…