PRECISION 28000 Signal Conditioning System

Flat/Pulse Low-Pass Filter Characteristics

You want your analog data to come clean before digital conversion.

The 28000 System has a variety of high performance filter characteristics available for HP, LP or BP Precision filtering.

Flat/Pulse Low-Pass Filters

Our new choice of LP4FP 4-pole or LP8FP 8-pole flat/pulse low-pass filters provide the user with the versatility to address applications in either the time or frequency domain and are available on many 28000 card models. Frequencies can range as high as 204.6 kHz with fixed frequency choices for economy.

Flat Mode Low-Pass Filters

Precision LP4F and LP8F "flat" mode characteristics are specified to have outstanding passband flatness equivalent to the Butterworth yet deliver very sharp roll-off characteristics.

The LP4F and LP8F are a good choice as an anti-aliasing filter and for applications such as spectral analysis. The LP8F has zero passband ripple and over 100 dB/octave attenuation slope.

Pulse Mode Low-Pass Filters

For the time domain, there are the LP4P and LP8P "pulse" mode low-pass filters. These filters have excellent transient response and phase linearity making them ideal filters for time domain applications including transient (shock) measurements and time domain waveform analysis…all with roll-off characteristics superior to their Bessel filter counterparts.

High-Pass and Band-Pass Filters

For high-pass filtering, we offer the HP4F 4-pole and HP8F 8-pole characteristics. For band-pass filtering, choose the HP4F/LP4FP band-pass characteristic to provide programmable bandwidth and center frequency filters. For more selective band-pass filtering, cascade an HP8F with an LP8.

Download specifications from the Reference Library

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Reference

The following Specifications
are available in Precision Filters'
On-line Library
for downloading:

LP4F & LP4P Specifications

LP8F & LP8P Specifications

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