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What is MOS Capacitor?

What is MOS Capacitor? The metal-oxide-semiconductor MOS capacitor shown in Fig. 13.92 (a) is the heart of the MOSFET. The metal may be aluminium or some other type of metal.…

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…

Various Bias Compensation Methods

Various Bias Compensation Methods: During the discussion made for various biasing methods for providing stability to the operating point we have seen that self bias (or potential divider bias) and…

Monochrome TV Transmitter – Block Diagram and its Workings

Monochrome TV Transmitter - Block Diagram and its Workings: The term monochrome stands for black and white. Thus a monochrome TV system does not process variations of colour in a…

Heterojunction Lasers – Definition, Construction and Workings

Heterojunction Lasers - Definition, Construction, Working, Advantages, Disadvantages and Applications: The device described in previous section was the first type employed in the early development of semiconductor lasers. It is…

Light Emitting Materials

Light Emitting Materials: Since the eye is only sensitive to light of energy hf ≥ 1.8 eV (~ 0.7 μm), semiconductors of interest must have energy band gaps larger than this…

IR Emitters or Infrared-emitting diodes

IR Emitters or Infrared-emitting diodes: IR Emitters or Infrared-emitting diodes are solid-state gallium arsenide devices that emit a beam of radiant flux when forward biased. Fig. 25.53 depicts the basic…