Title :
MOSFET-only Mixer/IIR filter with gain using parametric amplification
Author :
Custódio, J.R. ; Oliveira, J. ; Oliveira, L.B. ; Goes, J. ; Bruun, Erik
Author_Institution :
Dept. de Electron., Univ. Nova de Lisboa/UNINOVA, Caparica, Portugal
fDate :
May 30 2010-June 2 2010
Abstract :
This paper describes the design of a discrete-time passive Mixer/IIR filter. The use of an improved MOS Parametric Amplification leads to a moderate gain in the signal path and improved noise performance, instead of the conversion loss inherent to passive mixers. Simulation results demonstrate that, employing the proposed MPA structure based on a modified double-complementary topology with floating terminals, an improvement of over 4 dB in the overall circuit gain and up to 2 dB in the noise figure can be achieved.
Keywords :
IIR filters; MOSFET; mixers (circuits); parametric amplifiers; MOSFET-only mixer/IIR filter; circuit gain; floating terminals; modified double-complementary topology; noise figure; parametric amplification; 1f noise; CMOS technology; Capacitors; Circuit noise; Finite impulse response filter; IIR filters; MOSFETs; Noise figure; Sampling methods; Varactors;
Conference_Titel :
Circuits and Systems (ISCAS), Proceedings of 2010 IEEE International Symposium on
Conference_Location :
Paris
Print_ISBN :
978-1-4244-5308-5
Electronic_ISBN :
978-1-4244-5309-2
DOI :
10.1109/ISCAS.2010.5537293
