DocumentCode
516767
Title
A 10.7-MHz N-Path Fourth-Order Bandpass Sigma-Delta Modulator
Author
Francesconi, Fabrizio ; Liberali, Valentino ; Maloberti, Franco
Author_Institution
Micronova Sistemi S.r.l., Via Volta 12, 27100 Pavia, Italy
fYear
1996
fDate
17-19 Sept. 1996
Firstpage
216
Lastpage
219
Abstract
High-order high-frequency bandpass sigma-delta modulators are becoming the standard front-end for radio-frequency systems. They allow direct digital demodulation of intermediate frequency signals, thus avoiding tuning of analog demodulators. This paper presents a suitable solution for the design of a fourth-order bandpass sigma-delta modulator. The designed modulator has been implemented in a 1.2-¿m BiCMOS technology and gives 9 bits of resolution for a 42.8 MHz sampling rate over a signal band of 200 kHz.
Keywords
Amplitude modulation; BiCMOS integrated circuits; Capacitors; Delta-sigma modulation; Demodulation; Frequency; Quadrature amplitude modulation; Sampling methods; Signal design; Tuning;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 1996. ESSCIRC '96. Proceedings of the 22nd European
Conference_Location
Neuchatel, Switzerland
Print_ISBN
2-86332-197-8
Type
conf
Filename
5468630
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