An N-Path Enhanced-Q Tunable Filter With Reduced Harmonic Fold Back Effects

A high-Q, tunable, bandpass filtered amplifier structure is proposed which is based on a novel Q enhancement technique in N-path filters. Using Fourier series analysis, frequency response of an N-path filter as well as the aliasing effects which are present in it are derived. Frequency translation o...

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Veröffentlicht in:	IEEE transactions on circuits and systems. I, Regular papers Regular papers, 2013-11, Vol.60 (11), p.2867-2877
Hauptverfasser:	Mohammadpour, Amin, Behmanesh, Baktash, Atarodi, Seyed Mojtaba
Format:	Artikel
Sprache:	eng
Schlagworte:	Baluns bandpass filters Clocks CMOS analog integrated circuits Fourier series Harmonics Linearity mathematical analysis N-path filters Noise levels Q factor radio frequency amplifiers Reduction Simulation
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