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A 65 nm CMOS Wideba...
A 65 nm CMOS Wideband Radio Receiver with ΔΣ-Based A/D-Converting Channel-Select Filters
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- Liu, Xiaodong (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Nejdel, Anders (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Palm, Mattias (author)
- Lund University
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- Sundstrom, Lars (author)
- Ericsson AB
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- Törmänen, Markus (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Sjöland, Henrik (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Andreani, Pietro (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2016
- 2016
- English 13 s.
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In: IEEE Journal of Solid-State Circuits. - 0018-9200. ; 51:7, s. 1566-1578
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Abstract
Subject headings
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- This paper presents a wideband quadrature radio receiver employing ΔΣ-based A/D-converting channel-select filters (ADCSFs). The output of the quadrature passive mixer is directly connected to the input of the ADCSFs, where a first-order ΔΣ modulator is incorporated into a fourth-order Butterworth channel-select filter (CSF) to provide sufficient dynamic range for a cellular system. A design methodology for the ADCSF is derived, where the transfer function of the CSF is preserved. The 65 nm CMOS receiver has a frequency range of 0.6-3.0 GHz and can be programmed to support the 2xLTE20, LTE20, and LTE10 bandwidths. The receiver noise figure varies from 2.3 to 3.9 dB, with a current consumption in 2xLTE20 mode between 33 mA at 0.6 GHz and 44 mA at 3.0 GHz from a 1.2 V supply, including 10-21 mA for LO phase generation and distribution. The SNDR is 47-51 dB at an LO frequency of 1.8 GHz.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
Keyword
- Channel-select filter
- delta sigma modulator
- filtering A/D converter
- radio receiver
- STF
Publication and Content Type
- art (subject category)
- ref (subject category)
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