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Direct digital-to-R...
Direct digital-to-RF converter employing semi-digital FIR voltage-mode RF DAC
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- Sadeghifar, Mohammad Reza (författare)
- Linköpings universitet,Elektroniska Kretsar och System,Tekniska fakulteten,Ericsson AB, Sweden
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- Bengtsson, Hakan (författare)
- Ericsson AB, Sweden
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- Wikner, Jacob (författare)
- Linköpings universitet,Elektroniska Kretsar och System,Tekniska fakulteten
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- Gustafsson, Oscar (författare)
- Linköpings universitet,Datorteknik,Tekniska fakulteten
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(creator_code:org_t)
- ELSEVIER SCIENCE BV, 2019
- 2019
- Engelska.
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Ingår i: Integration. - : ELSEVIER SCIENCE BV. - 0167-9260 .- 1872-7522. ; 66, s. 128-134
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A direct digital-to-RF converter (DRFC) is presented in this work. Due to its digital-in-nature design, the DRFC benefits from technology scaling and can be monolithically integrated into advance digital VLSI systems. A fourth-order single-bit quantizer bandpass digital EA modulator is used preceding the DRFC, resulting in a high in-band signal-to-noise ratio (SNR). The out-of-band spectrally-shaped quantization noise is attenuated by an embedded semi-digital FIR filter (SDFIR). The RF output frequencies are synthesized by a novel configurable voltage-mode RF DAC solution with a high linearity performance. The configurable RF DAC is directly synthesizing RF signals up to 10 GHz in first or second Nyquist zone. The proposed DRFC is designed in 22 nm FDSOI CMOS process and with the aid of Monte-Carlo simulation, shows 78.6 dBc and 63.2 dBc worse case third intermodulation distortion (IM3) under process mismatch in 2.5 GHz and 7.5 GHz output frequency respectively.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- Direct digital-to-RF converter; DRFC; Semi-digital FIR; RF DAC; Digital sigma delta
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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