ISL59885IS

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Synchronous Separator
Applications:	HD Video
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	ISL59885

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ISL59885IS is a low noise amplifier (LNA) that is used to increase a signal’s amplitude while preserving the small changes in signal levels that are inherent in the original signal. This amplifying device is designed specifically for digital video applications such as high definition television and other digital video applications. The ISL59885IS provides a wide gain range and a low noise figure which enables it to not only amplify the incoming signal but also to preserve the signal integrity.The ISL59885IS can be divided into two main parts: the signal conditioning circuit and the amplifier stage. The signal conditioning circuit is composed of several signal conditioning components such as variable voltage regulators, band-pass and low pass filters, and output buffers. The variable voltage regulators are used to provide the needed input and output signal voltages for the amplifier stage. The low pass filter is used to filter out the high frequency noise and the band-pass filter is used to reduce the signal distortion from the amplifier stage. The output buffer isolates the signal from the amplifier and maintains the desired output signal strength.The amplifier stage of the ISL59885IS consists of two differential amplifiers and a gain/attenuator network. The two differential amplifiers are used to increase the signal level to the required levels while providing low noise operation. The gain/attenuator network consists of a step-wise attenuation and gain stages that allow the signal to be manipulated in order to optimize the signal-to-noise ratio. This configuration also allows a user to adjust the signals gain and attenuation according to the needs of the signal transmission application.The ISL59885IS can be used in digital video applications such as high definition television, DVD players, and other digital signal processing equipment. It is designed to provide low noise operation and a wide gain range in order to optimize signal-to-noise ratio. As a result, the ISL59885IS can provide the required amplification to allow for a high quality signal in a variety of applications.In summary, the ISL59885IS is an integrated low noise amplifier with variable gain and output buffers that is ideally suited for digital video applications. It is composed of two main components: the signal conditioning circuit and the amplifier stage. The signal conditioning circuit is composed of several signal conditioning components such as variable voltage regulators, band-pass and low pass filters, and output buffers. The amplifier stage consists of two differential amplifiers and a gain/attenuator network. The wide gain range and low noise figure of the ISL59885IS, along with its signal conditioning components, allows the user to gain and manipulate the signal, optimizing the signal-to-noise ratio and providing a high quality signal output.

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