A Sigma-Delta ADC with Decimation and Gain Control Function for a Bluetooth Receiver in 130 nm Digital CMOS

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dc.contributor.author Koh, Jinseok
dc.contributor.author Gomez, Gabriel
dc.contributor.author Muhammad, Khurram
dc.contributor.author Staszewski, Robert Bogdan
dc.contributor.author Haroun, Baher
dc.date.accessioned 2017-07-10T14:49:55Z
dc.date.available 2017-07-10T14:49:55Z
dc.date.copyright 2006 the Authors en
dc.date.issued 2006-06-27
dc.identifier.citation Eurasip Journal on Wireless Communications and Networking en
dc.identifier.uri http://hdl.handle.net/10197/8635
dc.description.abstract We present a discrete-time second-order multibit sigma-delta ADC that filters and decimates by two the input data samples. At the same time it provides gain control function in its input sampling stage. A 4-tap FIR switched capacitor (SC) architecture was chosen for antialiasing filtering. The decimation-by-two function is realized using divided-by-two clock signals in the antialiasing filter. Antialiasing, gain control, and sampling functions are merged in the sampling network using SC techniques. This compact architecture allows operating the preceding blocks at twice the ADC's clock frequency, thus improving the noise performance of the wireless receiver channel and relaxing settling requirements of the analog building blocks. The presented approach has been validated and incorporated in a commercial single-chip Bluetooth radio realized in a 1.5 V 130 nm digital CMOS process. The measured antialiasing filtering shows better than 75 dB suppression at the folding frequency band edge. A 67 dB dynamic range was measured with a sampling frequency of 37.5MHz. en
dc.language.iso en en
dc.publisher Springer en
dc.subject Analog-to-digital converter en
dc.subject Bluetooth receivers en
dc.subject CMOS en
dc.title A Sigma-Delta ADC with Decimation and Gain Control Function for a Bluetooth Receiver in 130 nm Digital CMOS en
dc.type Journal Article en
dc.internal.authorcontactother robert.staszewski@ucd.ie
dc.internal.webversions https://jwcn-eurasipjournals.springeropen.com/articles/10.1155/WCN/2006/71249
dc.status Peer reviewed en
dc.identifier.volume 2006 en
dc.identifier.startpage 1 en
dc.identifier.endpage 8 en
dc.identifier.doi 10.1155/WCN/2006/71249
dc.neeo.contributor Koh|Jinseok|aut|
dc.neeo.contributor Gomez|Gabriel|aut|
dc.neeo.contributor Muhammad|Khurram|aut|
dc.neeo.contributor Staszewski|Robert Bogdan|aut|
dc.neeo.contributor Haroun|Baher|aut|
dc.internal.rmsid 432570209
dc.date.updated 2017-03-06T01:47:28Z


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