A VLSI Implementation of a New Low Voltage 4th Order Differential Gm-C Band-Pass Filters For Different Approximation In CMOS Technology
Journal Title: Acta Technica Napocensis- Electronica-Telecomunicatii (Electronics and Telecommunications) - Year 2009, Vol 50, Issue 3
Abstract
In this paper we present a new low voltage 4th order differential Gm-C band-pass filter (BPF) for different approximations (Butterworth or Chebyshev), which has been designed in CMOS technology. This differential BPF is composed of two Gm-C biquad structures in cascade connection. The type of band-pass filter approximation (Butterworth or Chebyshev) can be set by an adequate choice of grounded capacitors, using digital command logic. The proposed Gm-C filter architecture is attractive for VLSI implementation and offers the possibility of tuning the centre frequency and the selectivity, using external biasing currents or modifying the grounded capacitor values. The proposed structure provides a ±15% corners variation of the centre frequency, a dynamic range of 200mVpp(diff), distortion THD<1%, and a 10mA current consumption from a 1.8V voltage supply. The simulations performed in 65nm CMOS technology confirm the theoretical results.
Authors and Affiliations
Radu Gabriel BOZOMITU, Vlad CEHAN
Keywords
Related Articles
- EP ID EP96934
- DOI -
- Views 79
- Downloads 0
Novel Current Line Sensor Based On Matched Optocouplers For Active Power Factor Correction
This paper presents a novel line current sensor which allows safe and accurate data acquisition for power factor measurements: it uses a pair of matched optocouplers arranged so that the difference between their outputs...
Exploring Fine Phonetic Detail for Romanian Text to Speech Synthesis
This paper presents several experimental results on the study of Fine Phonetic Detail (FPD) in order to create the basis of a computational model for prosody description in a system for Text To Speech (TTS) synthesis. Di...
Interactive Tools For Learning Foreign Languages – Case Study: Cluj-Napoca German Cultural Centre
The Cluj-Napoca German Cultural Centre organises German language courses for different levels of linguistic competence. In teaching German, the tutors implement interactive learning concepts, mostly serious game. A feed...
Personalized Security Mechanism for Mobile Cloud Applications
Mobile Cloud Computing is a model that brings several advantages to the applications developed for mobile devices. In this paper, we focus on securing data used and processed by component-based mobile cloud applications....
Decisions Tools In Signal Processing: A Stochastic Dominance Perspective
The aim of this paper is to provide an implementation of a stochastic dominance algorithm that establish which of the two distributions is preferred by individuals who have an aversive risk profile. Although, this topic...