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Electronic filter

About: Electronic filter is a research topic. Over the lifetime, 13207 publications have been published within this topic receiving 93063 citations. The topic is also known as: filter.


Papers
More filters
Journal ArticleDOI
01 Jan 1999
TL;DR: In this article, a combined filtering system consisting of a passive filter with capacitors and an inverter with low power rating is presented, based on which a method for compensating the reactive power demanded by an electrical consumer is described.
Abstract: The author presents a combined filtering system consisting of a passive filter with capacitors and an inverter with low power rating. Based on this system, a method for compensating the reactive power demanded by an electrical consumer is described. The volume of the capacitors used in the case of the proposed version represents 25-33% of the volume of the AC capacitors used in classical versions of passive filters with LC series circuits. When disturbances occur in the three-phase network, the low-power inverter starts to work, retransmitting to the network the excess energy taken by all the capacitors from the network during these disturbances.

20 citations

Journal ArticleDOI
TL;DR: In this paper, a detailed comparison of the settling time-noise bandwidth products of 31 types of low-pass filters was conducted and it was shown that the settled time noise bandwidth product is the figure of merit for such filters when the goal is averaging.
Abstract: Detailed comparison of the settling time‐noise bandwidth products of 31 types of low‐pass filters demonstrates that the settling time‐noise bandwidth product is the figure of merit for such filters when the goal is averaging. Common filters such as Butterworth, elliptic, and Chebyshev are found to be unusable for such purposes while others, such as Bessel filters, offer only moderate figures of merit. The best reported analog low‐pass filter differs from ideality by only about 11%. The optimum analog low‐pass filter, having continuous, rational transfer function, is unknown.

20 citations

Patent
05 Aug 1997
TL;DR: In this article, a split-boost converter with a power train interposed between the DC input and the first and second outputs, a damped electromagnetic interference (EMI) filter circuit and a method of reducing the EMI was presented.
Abstract: For use in a split-boost converter having a DC input, first and second outputs, a power train interposed between the DC input and the first and second outputs, a damped electromagnetic interference (EMI) filter circuit and method of reducing the EMI. In one embodiment, the EMI filter circuit includes (1) an EMI filter interposed between the power train and the second output, the EMI filter subject to oscillation from line disturbances arriving at the DC input and (2) a conductive path, coupling a rail of the second output to the DC input, that routes at least a portion of the line disturbances from the DC input directly to the second output to damp the oscillation of the EMI filter.

20 citations

Patent
25 Mar 2002
TL;DR: In this paper, an active reception antenna comprised of a passive antenna component with a frequency-dependent effective length was proposed. But the active reception antennas were not considered in this paper.
Abstract: The invention relates to an active reception antenna comprised of a passive antenna component with a frequency-dependent effective length l e . The output connections of this passive component are connected to the input connections of an amplifier circuit. The amplifier circuit consists of a field effect transistor and a low-loss filter circuit with an input admittance. The low-loss filter circuit is connected on its input to the source connection of the field effect transistor. On its output, the high-frequency reception signal is de-coupled, and the low-loss filter circuit is loaded with an effective resistance or conductance acting on its output. The blind or dummy elements of the low-loss filter circuit are selected so that the frequency dependence of the real component G of the input admittance acting on the input of the low-loss filter circuit is adjusted so that with the specified reception capacity, the frequency curve conditioned by the frequency-dependent effective length l e of the passive antenna component is realized within a broad frequency band under freely selected aspects. The amount of input admittance effectively acting on the input of the low-loss filter circuit is adequately low outside of the frequency band so as to avoid non-linear effects in the blocked frequency range.

20 citations

Proceedings ArticleDOI
17 Jun 2005
TL;DR: In this article, a tunable bandpass BAW-filter based on a hybrid integration concept is presented. The filter consists of two cascaded lattices incorporating four BAW resonators, coupled with high-Q inductors and wide tuning range active varactors.
Abstract: We present a tunable bandpass BAW-filter based in a first step on a hybrid integration concept to demonstrate the validity of our architecture and to evaluate the potential of such filters. The filter consists of two cascaded lattices incorporating four BAW resonators, coupled with high-Q inductors and wide tuning range active varactors. The simulated results show that it is possible to compensate ±1% deviation on the filter center frequency. The prototype is currently in manufacturing and the experimental results will be available for the conference.

20 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20237
202237
2021138
2020362
2019517
2018554