In this case, the two regions serve as the capacitor plates and the depletion region behaves as an insulating dielectric. The figure below shows the symbolic representation of a varactor diode: Its symbol is somewhat similar to an ordinary diode. A Tunnel diode is a heavily doped p-n junction diode in which the electric current decreases as the voltage increases.. Let us first understand why it is not operated in forward biased condition. Applications of the Varactor Diode. MACOM’s GaAs and Silicon varactor tuning diodes provide broadband performance ranging from 10 MHz to 70 GHz. Varactor Diode MCQs. The region of depletion is considered to be the dielectric. Infineon BBY5303WE6327HTSA1 Varactor Diode, 4.8pF min, 1.8:1 Description: Variable Capacitance Diodes, commonly known as Varicap, Varactor or Tuning diodes, are useful in many applications where a change in capacitance derived from a change in voltage is required. These diodes are very famous due to its capability of changing the capacitance ranges within the circuit in the presence of constant voltage flow. The varactor diode is one type of PN junction diode whose internal capacitance changes with the applied reverse bias voltage. ... Light-emitting diode b. Photodiode c. Varactor diode d. Zener diode 20. Varactor Diodes are available at Mouser Electronics from industry leading manufacturers. VARACTOR DIODE . The Varactor Diode gets its name from the variable nature of the diode its self. The increase in reverse voltages increases the value of capacitance. Varactor diode Applications : Varactor diode is used in FM radio and TV receivers . As already discussed earlier that capacitance is inversely proportional to width so with the reverse voltage. With IS, determines the DC characteristics of the diode. Select diodes include the most popular PIN, limiter, Schottky and tuning varactor e use everywhere from the audio frequencies to the outer reaches of the extreme microwave frequencies. With N, determines the DC characteristics of the diode. A varactor diode is an electronic component whose static capacitance value is varied in a controlled fashion by a control voltage applied thereto. Due to this, the majority carriers depleted from the junction. A varactor is a non-microphonic, comp;1ct, electronically var­ iable capacitor whose capacitance can be rea

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