Amplifiers RF is used to amplify signals to the desired magnitude. There are different types of amplifiers used for various purposes. If you are looking for one, here are the types that would help you to come up with the one you need.
Broadband Amplifiers are used to get moderate gain over a wide bandwidth while it maintains a low noise figure. These are best used at the front-end of the antenna within the receiver circuitry.
Gain Block Amplifiers are similar to the above at everything other than providing better gain, but it is not able to maintain a low noise figure. It is best used in RF, IF, and microwave transmitter applications.
Log Amplifiers are used to exhibit a gain curve. They are used at the places where the output voltage requirement is a multitude of the natural log of the input voltage.
Variable gain amplifiers are complex ones because, as the name suggests, variable gains can be obtained, which are controllable and sometimes programmable. These are best used as part of a closed-loop control circuit.
Low Noise Amplifier
Low Noise Amplifier is used to amplify very weak signals to the working signal as output without introducing substantial phase noise. It is best used as the input of the antenna where signal power needs to be increased. Low Noise Amplifier are one of the most used amplifiers RF
Power amplifiers come in two forms Coaxial and Waveguide Power Amplifiers, which are used to convert signals with the small power from radar and communication equipment to high powered transmissions, which are then sent to an antenna.
You can find and buy all of the types of amplifiers online.
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