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A Single-Ended and Fully-Differential Universal Current-Mode Frequency Filter with MO-CF and DACA Elements
| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | LANGHAMMER, L. JERABEK, J. POLAK, J. PANEK, D. |
| Abstract | The paper presents proposal of the 2nd-order universal frequency filter. The presented filter operates in the current-mode and it is designed in the single-ended and fully-differential form. Signal-flow graphs (SFG) method has been used in the proposal. The proposed filter is employing multi-output current followers (MO-CFs) and digitally adjustable current amplifiers (DACAs) as active elements. The pole frequency of the filter can be controlled without disturbing its quality factor. Functionality of the proposed filter in both S-E and F-D form has been verified by PSpice simulations using available models of used active elements and also by experimental measurements. A comparison of simulation and experimental results of the S-E and F-D form of the presented filter is made. Subsequently, a comparison of experimental results of both forms of the filter is also included. |
| Related Links | http://dx.doi.org/10.4316/AECE.2016.03007 |
| ISSN | 15827445 |
| e-ISSN | 18447600 |
| DOI | 10.4316/AECE.2016.03007 |
| Journal | Advances in Electrical and Computer Engineering |
| Issue Number | 3 |
| Volume Number | 16 |
| Language | English |
| Publisher | Stefan cel Mare University of Suceava |
| Publisher Date | 2016-01-01 |
| Publisher Place | Romania |
| Access Restriction | Open |
| Subject Keyword | Electrical engineering. Electronics. Nuclear engineering Computer engineering. Computer hardware Active Filters Analog Circuits Current-mode Circuits Differential Amplifiers Frequency Control |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Science Electrical and Electronic Engineering |
