2SA1790GCL

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The 2SA1790GCL is a type of bipolar transistor manufactured by Panasonic. It is designed for high frequency applications, particularly RF (Radio Frequency) applications.

Bipolar transistors are transistors with 3 terminals, a base, a collector, and an emitter. A biasing voltage applied between the base and emitter terminals turns the transistor\'s silicon channel on or off, and controls its current flow. The voltage across collector and emitter terminals is a function of the current entering the base.

The 2SA1790GCL is an RF transistor with a DC current gain of 50. It can handle collector currents of up to 0.5A and is capable of switching between low and high frequencies with a transition time of 3.3ns. It also has a breakdown voltage of up to 120V, a maximum collector-emitter voltage of 80V, and a power dissipation of up to 1.2W.

The 2SA1790GCL is principally used in RF amplifying applications, such as the amplification of radiofrequency signals. Its high gain and fast switching times make it an ideal choice for use in RF amplifiers, filters, and low power transceivers. It can also be used to build and amplify high frequency feedback control systems, as well as in switching circuits and power amplifiers.

As a high frequency bipolar transistor, the 2SA1790GCL is capable of operating up to a frequency of 12GHz. It is made of two PNP transistors joined in a single package, enabling the simultaneous amplification of two signals in one package. This makes it an ideal choice for applications that require high gain and fast switching speeds, and a reliable and efficient method of managing dual signals.

The working principle of the 2SA1790GCL is simple; when a voltage is applied between the base and emitter terminals, the silicon layer between them is turned on, allowing current to flow between the collector and emitter, thus controlling the current gain, or amplification of the signal. As mentioned, the higher the current gain, the faster the switching time.

In summary, the 2SA1790GCL is a type of bipolar transistor manufactured by Panasonic. It is designed for use in high frequency applications, particularly RF applications. It is capable of operating up to 12GHz and can be used in filters, transceivers, and switch circuits. The working principle of the 2SA1790GCL is determined by the biasing voltage applied between the base and emitter terminals, turning the transistor\'s silicon channel on or off and controlling its current flow.

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