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The MOSFET is currently the most common means for amplification in the VHF radio spectrum by operating in its enhancement mode. In this mode, the MOSFET is biased to allow current flow between its source and drain terminals when a sufficient voltage is applied to its gate terminal. By modulating the gate voltage, the MOSFET can amplify incoming radio frequency signals. MOSFETs offer several advantages for VHF amplification, including high gain, low noise, and good linearity. They can be integrated into small, lightweight packages, making them suitable for use in portable and mobile VHF radio equipment such as transceivers, broadcast transmitters, and radar systems. Additionally, advancements in MOSFET technology have led to improved efficiency and reliability, further enhancing their suitability for VHF amplification applications.The MOSFET is currently a common means for amplification in the VHF radio spectrum by operating in its enhancement mode. In this mode, the MOSFET is biased to allow current flow between its source and drain terminals when a sufficient voltage is applied to its gate terminal. By modulating the gate voltage, the MOSFET can amplify incoming radio frequency signals. MOSFETs offer several advantages for VHF amplification, including high gain, low noise, and good linearity. They can be integrated into small, lightweight packages, making them suitable for use in portable and mobile VHF radio equipment such as transceivers, broadcast transmitters, and radar systems. Additionally, advancements in MOSFET technology have led to improved efficiency and reliability, further enhancing their suitability for VHF amplification applications. Both the MOSFET and the BJT are commonly used for amplification in radio transmitters operating in the VHF radio spectrum today. MOSFETs offer advantages such as high input impedance, low power consumption, and ease of integration into integrated circuits, making them well-suited for applications requiring high-frequency operation and low-power consumption. On the other hand, BJTs offer advantages such as high gain, high power handling capability, and good linearity, making them suitable for applications requiring high-power amplification in VHF radio transmitters.