Chapter 467

High frequency active anti-aliasing filters

Philip Karantzalis


The LT6600-10, which offers a high performance, 10MHz differential filter with gain, in a small package (SO-8), and the LT1819, an op amp that can be used to create a variety of differential filters up to 20MHz, are described.


Anti-aliasing filter

differential filter




High frequency (1MHz or higher) active lowpass filters are now practical alternatives to passive LC filters mainly due to the availability of very high bandwidth (100MHz or higher) integrated amplifiers. Analog signal filtering applications with bandwidths in the megahertz region can be implemented by a discrete active filter circuit using resistors, ...

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