Concept

Filter design

Publications associées (200)

A Novel Complex Gm-C IF Sub-Sampling Mixer

Christian Enz, Aravind Prasad Heragu Singaiyengar

In this paper, a novel circuit referred to as complex Gm-C sampler that can be used for sub-sampling IF signals is presented. The circuit employs a conventional cross-coupled Gm-C filter structure with a built-in sampler to combine th ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Tunable band-stop filter based on single RF MEMS capacitive shunt switch with meander arm inductance

Mihai Adrian Ionescu, Catherine Dehollain, Montserrat Fernandez-Bolanos Badia

This paper presents a novel high-frequency filter concept based on a single MEMS capacitive shunt structure using meander arm inductance. Tuning ranges of the central frequency in the order of 55% are experimentally demonstrated for filters operating betwe ...

2009

Novel CMOS Analog Pulse Shaping Filter for Solid-State X-Ray Sensors in Medical Imaging Systems

Rafal Tomasz Dlugosz

A new idea as well as CMOS implementation of a pulse-shaping filter useful in nuclear medicine to realize a multi-element detection by means of a multi-channel readout front-end ASIC have been presented. The filter changes the shape of pulses delivered by ...

Springer-Verlag2009

Investigations on a 1kVA Reactive Power Compensated Current Converter using monolithic RB-IGBT modules

Alfred Rufer, Daniel Siemaszko

This work presents a current converter topology with an added free-wheeling path on the output load. This converter allows the compensation of the reactive power consumption by forcing the input current fundamental component to be in phase with the input v ...

2009

A Widely-Tunable and Ultra-Low-Power MOSFET-C Filter Operating in Subthreshold

Seyed Armin Tajalli, Yusuf Leblebici

A very wide tuning range ultra-low-power MOSFET-C filter is presented. The wide tuning range in this filter has been achieved without using any switchable components or programmable building blocks, and the cutoff frequency of the filter can be adjusted si ...

IEEE2009

Sound pressure estimation at an electroacoustic transducer's voicing face by way of all-electrical sensing

Hervé Lissek, Florian Sandoz

When it comes to designing active control disposals, sound pressure sensing is usually required. In the framework of active control of acoustic impedance, this work aims at conceiving a digital estimator that processes voltage and current measurement to co ...

2008

Power and Area Efficient Circular-Memory Switched-Capacitor FIR Baseband Filter for WCDMA/GSM

Rafal Tomasz Dlugosz

This paper presents a new two-sections architecture of a low power switched capacitor (SC) finite impulse response (FIR) filter suitable for base-band signal processing in WCDMA and in GSM standards. The low power operation is possible due to several optim ...

2008

Consistent and Regularized Magnification of Images

Michaël Unser, Philippe Thévenaz, Aurélien Bourquard, Katarina Balac

Because more output data must be created than is available from the input, magnification is an ill-posed problem. Traditional magnification relies on resampling an interpolation model at the appropriate rate; unfortunately, this simple solution is blind to ...

IEEE2008

Introducing Temporal Asymmetries in Feature Extraction for Automatic Speech Recognition

Hynek Hermansky

We propose a new auditory inspired feature extraction technique for automatic speech recognition (ASR). Features are extracted by filtering the temporal trajectory of spectral energies in each critical band of speech by a bank of finite impulse response (F ...

2008

Introducing Temporal Asymmetries in Feature Extraction for Automatic Speech Recognition

Hynek Hermansky

IDIAP2008

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