2N5486G

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A 2N5486G is a small-signal RF MOSFET designed for use in commercial and consumer FM broadcast applications in the frequencies range of VHF broadcast channel 2 (87.5 MHz) to channel 13 (216 MHz). This type of device also finds applications in VHF television antennas and other RF systems. It offers RF power gain, superior gain linearity, wideband operation, low noise, and wide-band output.

A 2N5486G is a discrete type Field Effect Transistor, often referred to as an FET. FETs are three-terminal, voltage-controlled devices that exploit the asymmetrical behavior of doped semiconductor material. FETs have a high resistance gate input -- they don\'t pass current until a certain level of voltage is reached between their gate and source terminals. This high-resistance gate input provides FETs with superior frequency response and linearity compared to conventional bipolar junction transistors.

The 2N5486G is a MOSFET, which stands for metal-oxide-semiconductor field-effect transistor. MOSFETs are the most common type of FETs used in commercial RF power applications because of their superior RF characteristics, low noise figure, and high power gain. The 2N5486G uses an N-channel MOSFET design and is capable of providing power gain from frequencies from 87.5 MHz up to 216 MHz.

The working principle of a 2N5486G is quite simple. When a signal is applied to the gate of the transistor, it creates an electric field that causes an electron tunneling effect between the source and the drain. This results in a current flow though the transistor, which amplifies the signal before it is passed to the output. By careful design of the device, a power gain of up to 20dB can be achieved with the 2N5486G.

The 2N5486G is a popular choice for commercial and consumer-grade FM broadcast applications up to 216 MHz. It is also used in VHF television antennas and other RF systems, where its superior RF and linearity characteristics can be used to great advantage. The low noise figure of the 2N5486G also makes it an ideal choice for applications where signal clarity and minimal interference are important. The device is particularly suitable for use in non-traditional radio applications such as Automated Meter Reading.

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