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428L4B-1 Datasheet(数据表) 1 Page - Frequency Devices, Inc.

部件型号  428L4B-1
说明  32-Pin DIP 8-Pole Filters
下载  18 Pages
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制造商  FREQUENCYDEVICES [Frequency Devices, Inc.]
网页  http://www.freqdev.com/
标志 FREQUENCYDEVICES - Frequency Devices, Inc.

428L4B-1 Datasheet(HTML) 1 Page - Frequency Devices, Inc.

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1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
10 Hz - 102.4 kHz
4-Bit Programmable
428 Series
32-Pin DIP
8-Pole Filters
Description
The 428 Series are 8-pole digitally programmable
low-pass and high-pass active filters. These new
filters take advantage of the company’s proprietary
designs using surface-mount technology to provide
a low profile, compact package in minimal board
space. 428 filters are factory tuned to one of ten
preset 4-bit binary ranges from 10 Hz to 102.4 kHz.
Contact the factory for custom discrete tuning
ranges, maximum span 1000:1.
All 428 Series models are easy to use fully finished
filters which require no external components or
adjustment. They feature low harmonic distortion,
near theoretical phase and amplitude characteristics
and operate over a dynamic input voltage range
from non-critical ±12V to ±18V power supplies.
Features/Benefits:
• Low harmonic distortion and wide signal-to-noise
ratio to 16-bit resolution.
• Compact 1.8"L x 0.8"W x 0.3"H min. (32-pin DIP
footprint) minimizes board space requirements.
• Digitally programmable corner frequency allows
selecting cut-off frequencies specific to each
application.
• Plug-in ready-to-use, reducing engineering design
and manufacturing cycle time.
• Factory tuned, no external clocks or adjustments
needed.
• Broad range of transfer characteristics and corner
frequencies to meet a wide range of applications.
Applications
• Anti-alias filtering
• Data acquisition systems
• Communication systems and electronics
• Medical electronics equipment and research
• Aerospace, navigation and sonar applications
• Acoustic and vibration analysis and control
• Real and compressed time data analysis
• Noise elimination
• Signal reconstruction
Programmable Specifications: . . . . . . . . . . . . . Page
Digital Tuning & Control . . . . . . . . . . . . . . . . . . . . . . . 2
Available Low-Pass Models: . . . . . . . . . . . . . . . . . . .
428L4B
8-pole Butterworth . . . . . . . . . . . . . . . . . . 3
428L4E
8-pole, 6 zero elliptic, 1.77 (-80dB) . . . . . . 3
428L4EX 8-pole, 6 zero elliptic, 1.56 (-80dB) . . . . . . 3
428L4EY 8-pole, 6 zero elliptic, 2.00 (-100dB) . . . . . 3
428L4L
8-pole Bessel . . . . . . . . . . . . . . . . . . . . . . 4
428L4D60 8-pole constant delay (-60dB). . . . . . . . . . 4
428L4D80 8-pole constant delay (-80dB). . . . . . . . . . 4
428L4D10 8-pole constant delay (-100dB). . . . . . . . . 4
Available High-Pass Models: . . . . . . . . . . . . . . . . . .
428H4B 8-pole Butterworth . . . . . . . . . . . . . . . . . . 5
428H4E
8-pole, 6 zero elliptic, 1.77 (-80dB) . . . . . . 5
428H4EX 8-pole, 6 zero elliptic, 1.56 (-80dB) . . . . . . 5
428H4EY 8-pole, 6 zero elliptic, 2.00 (-100dB) . . . . . 5
General Specifications:
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin-out/package data. . . . . . . . . . . . . . . . . . . . . . . . . 6




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