GVD1404-001

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Variable capacitance diodes are a type of semiconductor diode designed to have a variable capacitance versus voltage, current, or temperature. Among the members of this class of semiconductor device, GVD1404-001, or BVZ3 series voltage-variable diode, is an example of a two-terminal device manufactured by Varitronix for various applications.

The GVD1404-001 is a reverse biased semiconductor diode featuring a capacitance value that can be adjusted through the application of a voltage across its terminals. This provides an effective way to create an RC network and filter out high frequency noise from relatively low-frequency signals, making it extremely useful for signal processing and other electronic circuits. The diode is also useful for voltage regulation and to provide signal attenuation.

The maximum capacitance value of the GVD1404-001 is 16.2 pF at 1V reverse bias and the device features an ultra low series resistance of 4 ohms at 1V reverse bias. The intrinsic capacitance linearly varies with a variation of 0.4pF for every 1V change between 0.2V and 6V. The device also has above-average performance both at low and high temperatures, making it ideal for reliable operation in harsh environments.

The basic operating principle of the GVD1404-001 is similar to that of a general reverse biased diode. The current flows through the n-type and p-type regions when a voltage is applied across its terminals, and the amount of current and voltage applied affect the capacitance. This is because the depletion zone between the n-type and p-type regions create “quantum wells” of capacitance, and the number and size of the wells are directly proportional to the amount of voltage applied. In turn, the overall effective capacitance of the diode is controlled by the amount of voltage applied.

The GVD1404-001 presently has many applications in the field of electrical and electronic engineering, including mobile communications and automotive applications. Its high capacitance and low series resistance make it ideal for signal processing, filter networks, and for providing signal attenuation. The device is also known for its ability to work reliably in both low and high temperatures, making it a great choice for use in automotive and industrial applications. It is one of the most popular two-terminal variable capacitance diodes available in the market today.

In conclusion, the GVD1404-001 variable capacitance diode has become an essential component in many circuits, as it provides a great solution for filtering out high frequency noise, filter networks, and for providing signal attenuation. Its ability to remain reliable in both low and high temperatures and its low series resistance make it an ideal choice for a wide range of applications, from mobile communications to automotive systems.

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