Chapter 494

Precision, matched, baseband filter ICs outperform discrete implementations

Philip Karantzalis


Precision, matched, baseband filter ICs that outperform discrete implementations are described.


Lowpass filter




In digital communication systems, baseband signals must be band-limited in the transmitter or the receiver. Although the bulk of baseband signal shaping and analysis is accomplished using digital signal processing (DSP), analog filtering is used in a number of places along the signal chain. For instance analog filters reduce the imaging of a digital-to-analog converter (DAC), filter out the high frequency noise of an RF demodulator or reduce the aliasing inputs of an ...

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