1SV310TPH3F Discrete Semiconductor Products

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Variable capacitance diodes, otherwise known as Varicaps, Varactors or Diodes - Variable Capacitance, are diodes which can change their capacitance in relation to a control voltage. Such diodes are widely used in RF systems, allowing for a high frequency range tuning, along with other applications such as phase-locked loops, voltage-controlled oscillators and modulators, among many others. In this article, we will explore the application field of the 1SV310TPH3F model, its main uses and associated working principle.

The 1SV310TPH3F is the first of its kind from Nanya Technology Corp, combining the company’s cutting-edge ferrite barrier varactor technology with specialized circuit design. This varactor features superior non-linearity capabilities and a low leakage current, allowing for an enhanced performance on tuning applications and other various RF systems. With a current rating of 50mA, a reverse voltage rating of 40V and a junction capacitance of 15pF, this model is highly suitable for applications that require a stable control voltage with a limited capacitance range.

In terms of its general application field, the 1SV310TPH3F is used in TV and image transmission, digital frequency synthesis and wireless communication modules. It is suitable for various components within each of these systems, such as mixers, filters, frequency dividers, tuners and noise sources. Its superior design has made it the component of choice for some of the most advanced systems, including 5G mobile communications modules and Global Positioning Systems (GPS).

In terms of its working principle, the 1SV310TPH3F is based around the concept of reverse-biased voltage control, which entails varying the applied reverse-bias voltage on the diode in order to adjust the diode’s effective capacitance. This reverse bias voltage application is typically done through a connected potentiometer or voltage regulator, and the capacitance of the diode can be adjusted to whatever range the specified tuning application requires. This concept has allowed the 1SV310TPH3F to select the capacitance of each segment of the system individually.

The 1SV310TPH3F is specifically suitable for RF systems that require a large tuning range with stable control voltage levels and limited capacitance range. Furthermore, it is highly reliable and demonstrates superior noise reduction due to its low leakage current and superior non-linearity capabilities. This model is thus ideal for applications such as TV and image transmission, digital frequency synthesis and wireless communication modules, especially in 5G and GPS applications.

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