WM2002GEFL

Series:	--
Part Status:	Obsolete
Type:	Driver
Applications:	Bluetooth Headsets, Stereo Headphones

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Linear amplifiers have been used in a variety of applications over the years, from audio amplifiers to radio frequency (RF) amplifiers. In more recent times, amplifiers for specific, special-purpose individual applications have been developed. These typically not only have a very specific frequency range, but also outputs that must be precisely controlled. One example of such an amplifier is the WM2002GEFL.The WM2002GEFL is a broad-band, variable gain, linear amplifier designed specifically for applications in the cellular infrastructure, including cellular base stations and small cells. It is designed to work in the 800 to 1000 MHz frequency band and with up to 100 watts of power. This makes it ideal for applications such as Multi-Input Multi-Output (MIMO) architectures with two, three, or four antennas.The gain of the WM2002GEFL is controlled digitally, with a resolution of 0.05 dB. The gain can be varied from -60 to 25 dB, allowing for very precise control of the output power levels. Its wide dynamic range, coupled with a very high linearity, makes it particularly useful for these types of applications.The amplifier is built from a combination of monolithic microwave integrated circuits (MMICs) and discrete components. It uses a Class A/B amplifier architecture, which provides excellent linearity while reducing the need for expensive components. The input and output impedances of the amplifier can be matched to the specific requirements of the system, with the ability to adjust the input and output impedances over the amplifiers entire gain range.In addition to its linearity and wide dynamic range, the amplifier also features a low noise figure, with a noise figure of 3 dB or less across its full frequency range. This ensures that the system will have a high signal to noise ratio and excellent dynamic range.The WM2002GEFL is also designed to have high thermal efficiencies, which makes it well suited for long-term use in applications where it will be running for long periods of time. It has a maximum junction temperature of 125 C, allowing for stable and reliable operation even in hot environments. The amplifier also features protection circuitry to protect the components from over-voltage, over-current and over-heat conditions.Overall, the WM2002GEFL is an ideal choice for applications requiring a high-performance and highly-linear amplifier, such as those found in cellular base stations and small Cells. It has all of the necessary features to deliver high performance while still being able to be tailored to the specific requirements of the system.

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