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A digitally assisted baseband filter with 9MHz bandwidth and 0.3 dB IQ mismatch for a WLAN receiver chainPublished in Institute of Electrical and Electronics Engineers Inc.
2009
Pages: 261 - 264
We describe the design of a fifth order opamp-RC filter in a 65nm digital CMOS process. Designed for a WLAN receiver chain, the baseband filter has a bandwidth of 9MHz and features extensive use of digital hardware to correct for analog imperfections and thereby relaxing area and power requirements. Measurements show a 24 dB adjacent channel attenuation and an out-of-band IIP3 of 33 dBm. The complete filter consumes 9.5mA from a 1.3V supply and occupies an area of 0.46mm 2. ©2009 IEEE.
Topics: Bandwidth (signal processing) (62)%62% related to the paper, Passband (62)%62% related to the paper, Band-stop filter (61)%61% related to the paper, Active filter (61)%61% related to the paper and Root-raised-cosine filter (60)%60% related to the paper
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About the journal
| Journal | Data powered by TypesetProceedings - IEEE International Symposium on Circuits and Systems |
|---|---|
| Publisher | Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc. |
| ISSN | 02714310 |
| Open Access | No |
Authors (1)
Shanthi Pavan Y- Automatic tuning of time constants in single bit continuous-time delta-sigma modulators
- A digitally assisted baseband filter with 9MHz bandwidth and 0.3 dB IQ mismatch for a WLAN receiver chain
- Improved characterization of high speed continuous-time ΔΣ modulators using a duobinary test interface
Analysis of traveling wave & transversal analog adaptive equalizers
Concepts (12)
Adjacent channels- BASEBAND FILTERS
- DIGITAL CMOS
- DIGITAL HARDWARE
- IQ MISMATCH
- Out-of-band
- Power requirement
- RC FILTER
- WLAN RECEIVERS
- Digital filters
- Wireless local area networks (wlan)
- OPTICAL RECEIVERS
