Publication detail

Fully Differential Universal Filter with Differential and Adjustable Current Followers and Transconductance Amplifiers

JEŘÁBEK, J. VRBA, K.

Original Title

Fully Differential Universal Filter with Differential and Adjustable Current Followers and Transconductance Amplifiers

Type

conference paper

Language

English

Original Abstract

A novel fully-differential (F-D) filter working in the current mode is presented in this contribution. The filter was designed by the transformation of the single-ended (S-E) structure and is universal. The final structure consists of only three F-D active elements, the first of them is a Fully-Differential Current Follower (FD-CF) and the other two are transconductance amplifiers (OTA) with multiple current outputs (MOTA). Natural frequency is easily tuned by the transconductance of MOTA elements. The filter is of the SIMO type and with a low-impedance input node and high-impedance outputs. The characteristics of designed filter were verified by simulation using a third-level model of the UCC-N1B 0520 element, which can operate (among other things) as an OTA element, and a FD-CF model that is included in this contribution.

Keywords

differential current follower, FD-CF, transconductance amplifier, tunable filter, fully-differential filter, current mode, universal filter, SIMO filter

Authors

JEŘÁBEK, J.; VRBA, K.

RIV year

2010

Released

17. 8. 2010

Publisher

Asszisztencia Szervezo Kft.

ISBN

978-963-88981-0-4

Book

In Proceeding of the 33rd International Conference on Telecommunications and Signal Processing - TSP 2010

Pages from

5

Pages to

9

Pages count

5

BibTex

@inproceedings{BUT35381,
  author="Jan {Jeřábek} and Kamil {Vrba}",
  title="Fully Differential Universal Filter with Differential and Adjustable Current Followers and Transconductance Amplifiers",
  booktitle="In Proceeding of the 33rd International Conference on Telecommunications and Signal Processing - TSP 2010",
  year="2010",
  pages="5--9",
  publisher="Asszisztencia Szervezo Kft.",
  isbn="978-963-88981-0-4"
}