MA26V2200A Discrete Semiconductor Products

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Variable capacitance diodes, also known as varicaps or varactors, are diodes designed to have an adjustable capacitance. Varicaps are created by adding a heavily doped P-N junction to a diode, which creates a depletion region of reverse biased material between the two N junction regions. This depletion region is capable of adjuasting the inpedence, or the width of the depletion region. This results in an adjustable capacitance. MA26V2200A is a type of varicap that provides a capacitance value range of 0.25pF-12pF.

The working principle of a varicap is based on the capacitance of a junction diode. A normal diode has two junctions, one p-n and one n-p, which create a depletion region when the diode is forward biased. The voltage across the depletion region varies according to the applied voltage, and thus a current flow occurs. The current flow is then converted into a capacitance change which affects the resistance of the diode.

The MA26V2200A is a high performance 0.25pF-12pF varicap diode, specifically designed for use in air traffic control systems. It is suitable for use in high vibration, high temperature applications and is capable of operating in frequencies ranging from 0.1MHz-100MHz. The device is fabricated using a high performance process utilizing silicon wafers with an active area of 2.25mm x 2.75mm. The device also comes with an extra circuit tab for ease of mounting. The device is rated for an operating temperature range of -40C to +85C and has an operating voltage of 20V.

Applications of MA26V2200A varicap include frequency lock loop (FLL), phase lock loop (PLL), wireless communication, frequency synthesizers, air traffic control systems, and high Q filters. It is also used in frequency-control circuits and as a tuning element in compact receivers, where it is especially useful due to its small size. The varicap offers a high capacitance value over a wide frequency range, making it an excellent choice for applications where temperature and vibration are factors.

MA26V2200A varicaps operate on the principles of reverse bias. An externally applied voltage alters the width of the junction’s depletion region, causing a change in the capacitance between the P and N regions. This change in capacitance results in a change in impedance, allowing the user to adjust the frequency range of operation. This gives the user the flexibility to tune the device for specific frequencies and applications, providing a high degree of control over the oscillator frequency or filter model.

MA26V2200A is a reliable and versatile varicap with a wide range of application in the broadcast, military and aerospace industries. The device enables the user to control the frequency response of circuits, making it an invaluable component in tuning circuits of many types. It is extremely reliable, cost effective and highly efficient, making it ideal for a variety of applications.

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