pi filter

pi filter

[′pī ‚fil·tər]
(electronics)
A filter that has a series element and two parallel elements connected in the shape of the Greek letter pi (π).
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References in periodicals archive ?
Figure 3 shows the arrangement of components for a Pi filter, which requires two planar capacitor arrays.
Field current regulator with PI filter (MAN operating mode);
The Mini series is available in both LC and PI filter configurations from 1 to 13 positions.
Each of the six circuits on the EClamp2357N is comprised of a pi filter circuit that includes TVS diodes for ESD protection, and a resistor capacitor network for EMI/RFI filtering.
All models provide overvoltage and continuous short circuit protection, and they contain an internal input PI filter.
It features a 2:1 input voltage range, input-to-output isolation, soft start, an input Pi filter, short circuit protection, 380k Hz switching frequency, flyback topology and four low-dropout linear regulators.
Pi filter configurations such as C-R-C attenuate noise in both directions, preventing EMI from going both in and out of the system.
4) features advanced loop compensation functionality that makes it easy to simulate output capacitors and filtering networks such as PI filters on the output of 3E* Point-Of-Load (POL) DC/DC converters, and to optimize loop response without hardware modification for the end application.
All models feature input pi filters, input under voltage lockout, output current limiting, and short-circuit protection.
The industry has reached the point where traditional architectures, based upon resistor--capacitor (RC) pi filters, impose limitations in terms of signal integrity and system robustness, and advanced integrated passive solutions based on a new architecture are required.
Spectrum Control released its Series 700 D-subminiature filtered connectors that are available with feed-thru capacitors and Pi filters that offer desirable insertion loss with capacitance ranges to 5,000 pF for feed-thru caps and 4,000 pF for Pi filters.