ZMV832ATC

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Variable capacitance diodes, commonly known as varicaps or varactors, are electronic semiconductor components that exhibit variable capacitance in accordance with the applied reverse bias voltage. ZMV832ATC is a type of varicap diode manufactured by PANJIT.

The ZMV832ATC is a type of hypersil varicap diode which is specifically designed to address the requirements of CATV and Tuner applications. It offers low reverse leakage current and temperature stability along with small temperature coefficient and low capacitance change with applied voltage.

In terms of applications, the ZMV832ATC is commonly used in tuners and radios. As a varicap diode, it is suitable for applications where capacitance tuning or frequency compensation is required. It is also used for high frequency local oscillator (L-O) circuits in television receiver and CATV systems, UHF, VHF/UHF amplifiers and oscillators as a frequency discriminator or control element.

The working principle of the ZMV832ATC is based on the fact that a reverse bias voltage causes a decrease in the depletion region width. This in turn results in a decrease in the series parasitic capacitance and the effective capacitance of the diode. As the reverse bias voltage increases further, the diode becomes more conductive and the effective series capacitance decreases even more. The dielectric layer of the diode is also affected by this decrease in capacitance as the capacitive layer is reduced as the voltage is increased.

The ZMV832ATC is designed to operate from a reverse bias voltage of 0.5V ~ 7V and the capacitance range is typically 1.5 pf ~ 5.0 pf at a reverse voltage of 6V. The device offers low leakage current of 4 nA (max) and low temperature coefficient of 0.25 % /°C (max). The device is housed in a small, flat package, which makes it ideal for use in space constrained applications.

The ZMV832ATC has a wide range of uses with applications ranging from high frequency local oscillator (L-O) circuits in television receiver and CATV systems, UHF and VHF amplifiers, to oscillators as a frequency discriminator or control element. In summary, ZMV832ATC is an ideal component for medium and large capacitance applications due to its wide voltage range, temperature stability, and low capacitance change with applied voltage.

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