854L8L datasheet, PDF - EEWORLD Datasheet

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854L8L: Description2 X 4 4-Pole Filters; File Size427KB，13 Pages; ManufacturerETC1

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854L8L Overview

2 X 4 4-Pole Filters

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854 Series

0.1 Hz to 102.4 kHz

8-Bit Programmable

Description

The 854 Series are digitally programmable low-pass

and high-pass active filters that are tunable over a

256:1 frequency range. 854 filters are available with

any one of six standard factory-set tuning ranges up

to 102.4 kHz. These units contain 8 CMOS logic

inputs that can be operated in a transparent or

latching mode.

All 854 Series models are convenient, low profile,

easy to use fully finished filters which require no

external components or adjustments. They feature

low harmonic distortion, and near theoretical phase

and amplitude characteristics. 854 filters operate

from non-critical ±12 to ±18 Vdc power supplies,

have a 10 kΩ (min.) input impedance, a 10

Ω

(max.)

output impedance and offer dc voltage offset

adjustment.

Features/Benefits:

• 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-set tuning range, no external clocks or

adjustments needed.

• Broad range of transfer characteristics and corner

frequencies to meet a wide range of applications.

• Low profile design, ideal for rack mount

installations.

Applications

• Anti-alias filtering

• Data acquisition systems

• Communication systems and electronics

• Medical electronics equipment and research

• Aerospace, navigation and sonar applications

• Sound and vibration testing

• Real and compressed time data analysis

• Noise elimination

• Signal reconstruction

Programmable Specifications

. . . . . . . . . . . . .

Page

Digital Tuning & Control . . . . . . . . . . . . . . . . . . . . . . 2

Available Low-Pass Models:

. . . . . . . . . . . . . . . . . . .

854L4B 4-pole Butterworth . . . . . . . . . . . . . . . . . . 3

854L4L

4-pole Bessel . . . . . . . . . . . . . . . . . . . . . . 3

854L8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . . 3

854L8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . . 3

Available High-Pass Models:

. . . . . . . . . . . . . . . . . .

854H8B 4-pole Butterworth . . . . . . . . . . . . . . . . . . 4

854H8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . . 4

854H8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . . 4

General Specifications:

Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . 5

Pin-out/package data. . . . . . . . . . . . . . . . . . . . . . . . . 5

2" x 4"

4-Pole Filters

25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839

e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com

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