The IUP Journal of Electrical and Electronics Engineering
Classification of Active RC and RLC Filter Architectures of the Sallen-Key Family and Trends in Their Development
Article Details
| Pub. Date | : Apr, 2022 |
|---|---|
| Product Name | : The IUP Journal of Electrical and Electronics Engineering |
| Product Type | : Article |
| Product Code | : IJEEE10422 |
| Author Name | : Denisenko D Y, Chumakov V E, Ivanov Y I and Prokopenko N N |
| Availability | : YES |
| Subject/Domain | : Engineering |
| Download Format | : PDF Format |
| No. of Pages | : 17 |
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Abstract
The paper proposes an extended classification of Active RC Filters (ARCF) and ARLC Filters (ARLCF) with Sallen-Key architectures, including those created in the last three years. This makes it possible to formulate new design directions for an extended family of active RC- and RLC- Sallen-Key filters (BPF, LPF, HPF and RF) for the tasks of high-speed and ultra-fast analog-to-digital signal conversion.
Introduction
Modern circuitry of Active RC Filters (ARCF) for tasks of limiting the spectrum of
signals to their Analog-to-Digital Conversion (ADC) is expanding into the field of radio
frequencies and works with ultrafast ADCs. The widely used well-known structures of
active filters are the three basic Sallen-Key schemes, first published by American scientists
Sallen and Key in 1955. In the scientific field of circuit engineering related to the ideology
of Sallen-Key, more than 500 papers have been published over the past 5 years, each
contributing to the study of the functionality of the Sallen-Key structure, reducing errors,
reducing energy consumption, etc. However, no new architectures have been created in
this class of ARCF in recent years.
An important direction of improvement of Sallen-Key circuit solutions is primarily
related to the search for new ARCF architectures and the practical use (about 200
modifications) of existing and annually created new active elements, including wide-band
semiconductors that ensure the operation of ARCF in a wide temperature range and
exposure to radiation.
Keywords
Sallen-KeyY, Active RC Filter (ARCF), Active RLC Filter (ARLCF), Low-Pass Filter (LPF), High-Pass Filter (HPF), Band-Pass Filter (BPF), Rejection filter
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