Results 1 to 10 of about 874,804 (349)

Endovascular Low-Pass Filter [PDF]

open access: yesJACC: Case Reports, 2023
We present the case of an 82-year-old man with a history of inferior vena cava filter implantation and concomitant severe mitral regurgitation requiring transcatheter edge-to-edge repair.
Matteo Biroli, MD   +5 more
doaj   +3 more sources

Low-Pass Filter for HV Partial Discharge Testing [PDF]

open access: yesSensors, 2018
The most common cause of high voltage electric machine malfunction is an electrical failure of the insulation system due to extreme partial discharges activity.
Vladimir Kindl   +4 more
doaj   +2 more sources

Current-Processing Current-Controlled Universal Biquad Filter [PDF]

open access: yesRadioengineering, 2012
This paper presents a current-processing current-controlled universal biquad filter. The proposed filter employs only two current controlled current conveyor transconductance amplifiers (CCCCTAs) and two grounded capacitors.
S. V. Singh, S. Maheshwari
doaj   +2 more sources

A 0.5-V MI-OTA-based shadow universal filter with integrated passband gain compensation and low-pass control for low-frequency applications [PDF]

open access: yesScientific Reports
Ultra-low-power active filters have received increasing attention in recent years due to emerging applications such as bio-signal sensing and wearable electronic devices, where they are employed in the analog front-end to eliminate interference noise ...
Montree Kumngern   +3 more
doaj   +2 more sources

DESIGN ANALOG RC-ACTIVE 2ND-ORDER AUDIO LOW PASS FILTER (LPF)

open access: greenDiyala Journal of Engineering Sciences, 2010
The electronic filters are considered as a very impartment element of electronic circuits . These filters have a basic rule in electronic and communication devices and systems.
Khalid Humood
doaj   +1 more source

A Design of a Compact Microwave Diplexer in Microstrip Technology Based on Bandpass Filters Using Stepped Impedance Resonator [PDF]

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2022
This paper describes the design of a compact microstrip microwave diplexer based on bandpass filters and a stepped impedance resonator for 4G applications. The diplexer is composed of two band-pass filters (BPF) that operate at 1.8 and 2.5 GHz.
M. C. Farah   +2 more
doaj   +1 more source

Time-Based High-Pass, Low-Pass, Shelf, and Notch Filters

open access: yesElektronika ir Elektrotechnika, 2023
This paper presents formulations for time-based first-order and second-order high-pass, shelf, and notch filters. These formulations are an extension to the existing literature where low-pass filters are already developed using a multiphase controlled ...
Nicolai J. Dahl   +2 more
doaj   +1 more source

LOW PASS AND QUAD BAND PASS TUNABLE FILTER BASED ON STUB RESONATOR TECHNIQUE [PDF]

open access: yesJordanian Journal of Computers and Information Technology, 2019
An electronically tunable multi-passband filter using one varactor diode is implemented based on transmission line stub method for passing several most favourable applications through multiple operating bands.
Yanal S. Faouri   +3 more
doaj   +1 more source

Preprocessing of audio data for voice transcription systems

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2023
The object of study is the audio file transcription system. The article presents a study on the impact of using high-pass, low-pass, and bandpass filters on the process of transcribing audio files.
M. Drahan, A. Pysarenko
doaj   +1 more source

Coaxial Low-Pass Filter Design and Manufacture

open access: yesIEEE Access, 2023
In this study, a low-pass filter with coaxial transmission lines is designed and produced. The objective for designing a coaxial low-pass filter was to utilize both low-loss transmission and high breakdown voltage capability for high power microwave ...
E. Yilmaz, M. Ucuncu
doaj   +1 more source

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