transistor used in Rf amplifier, Fm turned and communication equipment for it's low noise level is
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Modern RF power amplifiers use solid-state devices, predominantly MOSFETs (metal-oxide-semiconductor field-effect transistors). The earliest MOSFET-based RF amplifiers date back to the mid-1960s.
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Low-noise amplifier. A low-noise amplifier (LNA) is an electronic amplifier that amplifies a very low-power signal without significantly degrading its signal-to-noise ratio. An amplifier increases the power of both the signal and the noise present at its input. LNAs are designed to minimize additional noise.
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