low-pass filter

(redirected from Lowpass filter)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to Lowpass filter: High pass filter, Band pass filter

low-·pass fil·ter

a device or material with the opposite effect from a high-pass filter; most tissues act as low-pass filters of ultrasound signals.
Farlex Partner Medical Dictionary © Farlex 2012

low-pass filter

A filter that removes high-frequency waves from a sample, allowing only those below a specified frequency to pass.
See also: filter
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Kumar, "Synthesis of microstrip lowpass filter using defected ground structures," IET Microwaves, Antennas and Propagation, vol.
1) Muscle Noise Cancelation by using IIR Lowpass Filters: Fig.
Lowpass filters pass low frequency signal components while blocking high frequency components.
Tam, et al., "Miniaturized microstrip lowpass filter with wide stopband using double equilateral U-shaped defected ground structure," IEEE Microw.
These cavity filters also feature extended rejection performance, achieved with an integrated lowpass filter and can also be used in Rx and/or Tx mode.
A subsequent lowpass filter suppresses adjacent channels.
Finally, passive capacitance C connected between the IA output pins operates towards band limitation in terms of a lowpass filter [24], [25], [28].
Within a lumped element lowpass filter, thicker dielectric height gave better performance compared to a thinner one.
A lowpass filter is commonly used in many microwave communication and radar systems to suppress harmonics and spurious frequencies.
Li, "Compact broad-stopband lowpass filter using SIRs-loaded circular hairpin resonators," Progress In Electromagnetics Research, Vol.
The 2.35 mm X 1.8 mm X 1 mm OPLGA package also contains a digital lowpass filter to remove fluorescent light flicker, a 12-bit A/D converter, a DSP, a temperature compensation circuit, an [I.sup.2]C interface, an oscillator and a driver for an IR emitter.
This paper presents a novel quasi-elliptic lowpass filter (LPF) by using quasi-lumped elements.