BB181LX,315 Discrete Semiconductor Products

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Variable capacitance diodes, or Varicaps, Varactors, are a type of diode that have the ability to alter their capacitance value with a varying voltage. They are commonly used as voltage-controlled capacitors and as signal-tuning elements in RF circuits. Their wide application range is based upon their low cost, low energy consumption, and simple yet efficient working principle.

BB181LX is a type of Varicaps that is manufactured by NXP Semiconductors. It is a medium power, low current device, with a maximum capacitance range of 5.6pF. BB181LX is designed for use in FM radio and TV tuners and can be used as an amplitude modulator in mobile radio applications. It is also used as an oscillator in receivers, as well as for signal mixing and amplification in television applications.

The working principle of BB181LX is based upon its PN junction. When the device is biased with a reverse voltage, the width of the depletion region will increase, the capacitance of the device will decrease and the capacitance-voltage (C-V) characteristic will move to a lower capacitance value. As the reverse voltage is increased, the depletion region becomes wider and the C-V characteristic will move to a lower capacitance. By controlling the reverse voltage bias, the capacitance of the BB181LX can be effectively controlled.

BB181LX is ideally suited for applications such as VHF and UHF FM radio tuning, mobile radio frequency distribution, frequency compensation in high frequency amplifiers, as well as other medium power needs. As the device has been designed with a low-lost construction, it is also ideal for use in high-efficiency RF amplifiers and RF signal distribution circuits. Furthermore, the device is relatively unaffected by temperature, allowing for increased stability and predictable results in extreme temperatures.

In short, the BB181LX is an effective and reliable Varicap diode from NXP Semiconductors. It is ideal for use in medium power applications such as FM radio tuning, mobile radio frequency distribution, and high frequency amplifiers. Its simple yet efficient working principle allows for effective control of the capacitance, as well as reliable and predictable results in extreme temperatures. If you are in need of a medium power Varicap diode, then the BB181LX from NXP Semiconductors may be just what you are looking for.

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