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A parallel analog median filter
1998 IEEE International Conference on Electronics, Circuits and Systems. Surfing the Waves of Science and Technology (Cat. No.98EX196), 2002A continuous-time analog median filter implementation is presented. The filter uses two new circuits to implement the delay line and median blocks. Both circuits were designed a compact and modular structure to allow implementation of array processors. In addition, a novel technique for image processing is presented.
Alejandro Díaz-Sánchez +3 more
openaire +2 more sources
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, 1995
This paper reviews the design of analog filters at low supply voltage. In particular, the main focus is on switched capacitor and g/sub m/-C type filters because, at the present time, they have the greatest commercial importance. SC implementations are discussed in the context of low frequency high precision applications while g/sub m/-C ...
Castello, R +3 more
openaire +1 more source
This paper reviews the design of analog filters at low supply voltage. In particular, the main focus is on switched capacitor and g/sub m/-C type filters because, at the present time, they have the greatest commercial importance. SC implementations are discussed in the context of low frequency high precision applications while g/sub m/-C ...
Castello, R +3 more
openaire +1 more source
Improved Fully Differential Analog Filters
IEEE Transactions on Instrumentation and Measurement, 2007This paper proposes two novel design techniques that improve the performance of fully differential filters built by coupling two equal single-ended filters. These filters usually reach a high common-mode rejection ratio (CMRR) without using tightly matched passive components but may become unstable because of common-mode signals.
Marco Massarotto +3 more
openaire +1 more source
1983
Electronic filters are used in every biomagnetic measurement, whether intentionally or not. The inherent limitations of field sensors and amplifiers impose an upper limit on the frequency of their output signal, and in some cases a lower limit as well.
openaire +1 more source
Electronic filters are used in every biomagnetic measurement, whether intentionally or not. The inherent limitations of field sensors and amplifiers impose an upper limit on the frequency of their output signal, and in some cases a lower limit as well.
openaire +1 more source
Design of Hybrid Filter Banks for Analog/Digital Conversion
IEEE Transactions on Signal Processing, 1998T Q Nguyen
exaly