An active filter achieving 43.6dBm OIP3

Helen Kim, Merlin Green, Benjamin A. Miller, Andrew Bolstad, Dan Santiago

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

An active filter with a 50 Ω buffer suitable as an anti-alias filter to drive a highly linear ADC is implemented in 0.13 μm SiGe BiCMOS. This 6th-order Chebyshev filter has a 3 dB cutoff frequency of 28.3 MHz and achieves 36.5 dBm OIP3. Nonlinear digital equalization further improves OIP3 to 43.6 dBm. Measurements show 92 dB of rejection at the stopband and a gain of 49 dB. The measured in-band OIP3 of 43.6 dBm is 19 dB higher than previously published designs.

Original languageEnglish
Title of host publication2011 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2011 - Digest of Papers
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2011 - Baltimore, MD, United States
Duration: 5 Jun 20117 Jun 2011

Publication series

NameDigest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
ISSN (Print)1529-2517

Conference

Conference2011 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2011
Country/TerritoryUnited States
CityBaltimore, MD
Period5/06/117/06/11

Keywords

  • Active filter
  • OIP3
  • analog-to-digital converter
  • anti-alias filter
  • nonlinear digital equalization
  • spur free dynamic range (SFDR)

ASJC Scopus subject areas

  • Engineering (all)

Fingerprint

Dive into the research topics of 'An active filter achieving 43.6dBm OIP3'. Together they form a unique fingerprint.

Cite this