DocumentCode
439523
Title
A Hilbert sampler/filter and complex bandpass SC filter for I/Q demodulation
Author
Karvonen, Sami ; Riley, Tom ; Kostamovaara, Juha
Author_Institution
University of Oulu, Finland
fYear
2000
fDate
19-21 Sept. 2000
Firstpage
280
Lastpage
283
Abstract
A new I/Q demodulator based on a combined Hilbert sampler/filter and complex bandpass switched-capacitor (SC) filter is presented. The test circuit subsamples a 45 MHz IF signal to a new, lower IF of 13 kHz. The circuit achieves image rejection of over 50 dB on a 24 kHz bandwidth.
Keywords
Band pass filters; Capacitors; Circuit testing; Demodulation; Filtering; Finite impulse response filter; Frequency; Sampling methods; Switches; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2000. ESSCIRC '00. Proceedings of the 26rd European
Conference_Location
Stockholm, Sweden
Type
conf
Filename
1471266
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