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ISL55016 as single-ended to differential converter

Posted: 20 May 2009     Print Version  Bookmark and Share

Keywords:ISL55016  bipolar amplifier  satellite TV 

The ISL55016 silicon bipolar amplifier can match a 75Ω single-ended source to a 100Ω differential load. This feature makes the ISL55016 ideal for radios where the tuner chip has a differential input, such as satellite TV. This application note by Intersil will introduce the application circuit and discuss the advantages of this part. Specifically, the differential nature of the output removes the need for a balun, which improves both board area and frequency response.

The ISL55012 is a predecessor to the ISL55016. It has similar functions with the exception of the output, which is limited to single-ended operation. We will discuss using the ISL55016 to substitute for the ISL55012 with a balun structure.

View the PDF document for more information.

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