Concept

Band-stop filter

Related publications (258)

Coordination Numbers of K+ and Na+ Ions Inside the Selectivity Filter of the KcsA Potassium Channel: Insights from First Principles Molecular Dynamics

Ursula Röthlisberger, Denis Bucher, Paolo Carloni, Leonardo Guidoni

Quantum mechanics/molecular mechanics (QM/MM) Car-Parrinello simulations were performed to estimate the coordination numbers of K+ and Na+ ions in the selectivity filter of the KcsA channel, and in water. At the DFT/BLYP level, K+ ions were found to displa ...

Elsevier2010

The Fermi surface and band folding in La2-xSrxCuO4, probed by angle-resolved photoemission

Joël Mesot, Johan Juul Chang, Martin Mansson, Elia Razzoli

A systematic angle-resolved photoemission study of the electronic structure of La2-xSrxCuO4 in a wide doping range is presented in this paper. In addition to the main energy band, we observed a weaker additional band, the (pi, pi) folded band, which shows ...

2010

Highly tunable band-stop filters based on AlN RF MEM capacitive switches with inductive arms and zipping capacitive coupling

Mihai Adrian Ionescu, Catherine Dehollain, Dimitrios Tsamados

This paper presents wideband tunable band-stop filters working in the Ku to Ka-band frequencies based on a miniature single-MEM device combining a central capacitive MEM switch with AlN dielectric and inductive suspension arms. An outstanding 55% tuning ra ...

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

Highly tunable band-stop filters based on AlN RF MEM capacitive switches with inductive arms and zipping capacitive coupling

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

2009

Highly Tunable Band-Stop Filters Based on AIN RF MEM Capacitive Switches with Inductive Arms and Zipping Capacitive Coupling

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

IEEE2009

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

Micromachined Dielectric Elastomer Actuators with Ion Implanted Electrodes

Herbert Shea, Samuel Rosset, Muhamed Niklaus

We summarize recent results on micromachined dielectric elastomer actuators (DEA), or artificial muscles, whose compliant electrodes are made by low energy ion-implantation into an elastomer. Out-of-plane displacements in buckling mode of over 25% of the d ...

2009

Centre frequency and bandwidth tunable bandpass filter based on RF MEMS (10-14 GHz)

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

This paper presents a novel tunable bandpass filter design with independent control of both the centre frequency and the bandwidth by means of analogue-series and digital-shunt MEMS capacitors. The filter is designed for operation in X and Ku bands with 4 ...

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

Centre frequency and bandwidth tunable bandpass filter based on RF MEMS (10-14GHz)

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

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

A Frequency Tripler Using a Subharmonic Mixer and Fundamental Cancellation

Francesco Mazzilli

A new odd-order frequency multiplier topology is demonstrated in this work that uses a subharmonic mixer to realize a frequency tripler. A feedforward circuit is used for fundamental cancellation at the output and eliminates the need for filtering structur ...

Institute of Electrical and Electronics Engineers2009

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