Krohn-Hite Corporation - 30A-2 - Filter
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30A-2
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INTRODUCTION
The Model 30A Series are low-pass, 7-pole, 6-zero elliptical plug-in filters providing
115dB/octave roll-off, a minimum stopband attenuation of >80dB, and a typical passband ripple
of 0.22dB peak-to-peak. The Model
30A-1 covers the range from 1Hz to 99kHz. The Model
30A-2 operates from 0.1Hz to 9.9kHz and from 0.01Hz to 990Hz in the Model 30A-3.
With its 115dB/octave rolloff rate, the Model 30A provides a much narrower transition region
than an 8-pole Butterworth, and much less passband attenuation near cutoff. The transition
region from –3dB to –85dB is 64% of fc (cutoff), compared to 242% for the 8-pole Butterworth.
From –0.3dB to –85.6dB, it becomes 70% of fc compared to 404%. This permits lower sampling
rates and wider bandwidths, resulting in lower total system costs.
The Model 30A Series is part of an ever expanding line of plug-in filter cards for use in the
Model
3905C and
3916C Mainframes, which accommodates 5 to 16 filter cards respectively.
User manual
Manual type:
User manual
Pages:
22
Size:
704.6 KB
Language:
english
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Manual-ID:
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
Jan. 17, 2021
MD5:
b5f174fd-83e0-e467-dbcd-271c28005126
Downloads:
228