ZC832BTC

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Diodes - Variable Capacitance (Varicaps, Varactors)

A varicap is a diode that, when a reverse bias voltage is applied across it, causes a change in capacitance. Varicaps, also known as varactors, are very handy in the fields of frequency control and tuning, thanks to their variation in capacitance when a reverse voltage is applied. The ZC832BTC is a type of varicap diode that is used in a variety of applications, the most popular of which is frequency control and tuning.

The ZC832BTC Varicap

The ZC832BTC varicap diode is a device that combines both varactor and rectifier characteristics in a single component. It has a wide variable capacitance range of 0.2 pF (confirm) to 1.6 pF (confirm) and works in the frequency range of 50 MHz to 450 MHz. The ZC832BTC’s peak reverse current is 0.25mA and its peak reverse voltage is 4V. It can operate between -40°C to 90°C and its junction capacitance is 27 pF (check).

Application areas of the ZC832BTC Varicap

Thanks to its low junction capacitance and high peak reverse voltage, the ZC832BTC is especially suited for use in frequency control and tuning applications. It is primarily used in television tuners and radio frequency systems. It is also used in oscillators, phase shifters, stripline filters, voltage controllable oscillators, VCOs, and various other electronic circuits.

How does the ZC832BTC Varicap work?

The working principle of the ZC832BTC varicap is relatively simple. It consists of a P-N junction silicon diode whose capacitance varies according to the applied reverse voltage. When a reverse voltage is applied to the diode, the capacitance of the device increases or decreases according to the voltage. This change in capacitance can be used in circuits such as oscillators and tuners to adjust the frequency or tuning range.

Conclusion

The ZC832BTC varicap is an invaluable component in the world of frequency control and tuning. It is used in many applications due to its low junction capacitance and high peak reverse voltage. It operates between 50 MHz to 450 MHz and its variable capacitance range is 0.2 pF to 1.6 pF. It works practical applications such as radiofrequency systems, television tuners, oscillators, phase shifters and stripline filters. The varied capacitance of the varicap is the secret to its successful operation in such a wide range of applications.

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