818H8E datasheet, PDF - EEWORLD Datasheet

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818H8E: Description2 X 4 8-Pole Filters; Categoryunclassified; File Size621KB，13 Pages; ManufacturerETC1

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818H8E Overview

2 X 4 8-Pole Filters

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818 Series

1 kHz to 1.28 MHz

8-Bit Programmable

Description

The 818 Series are digitally programmable low-pass

and high-pass active filters that are tunable over a

256:1 frequency range. 818 filters are available with

any one of five standard factory-set tuning ranges or

8-bit custom ranges from 1 kHz to 1.28 MHz. These

units contain 8 CMOS logic inputs.

818 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 amplitude

characteristics. 818 filters operate from non-critical

±12 to ±18 Vdc power supplies, have a 5 kΩ (min.)

input impedance, a 10Ω (max.) output impedance

and low-pass models offer dc voltage offset

adjustment.

Features/Benefits:

• Low harmonic distortion and wide signal-to-noise

ratio to 12-bit resolution

• 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

Applications

• Anti-alias and band-pass filtering

• Data acquisition systems

• Satellite and telecommunications

• Acoustic and vibration analysis and control

• Aerospace, navigation and sonar

• Medical research and electronic equipment

• Engine test and simulation

• Noise elimination

• Video systems

• Signal reconstruction

Available High-Pass Models:

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

Page

818H8B 8-pole Butterworth . . . . . . . . . . . . . . . . . . 4

818H8E 8-pole, 6-zero elliptic, 1.77 . . . . . . . . . . . . 4

General Specifications:

Phase and phase match considerations . . . . . . . 5 & 6

Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . 7

Pin-out/package data. . . . . . . . . . . . . . . . . . . . . . . . . 7

Programmable Specifications.

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

Page

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

Available Low-Pass Models:

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

Page

818L8B 8-pole Butterworth . . . . . . . . . . . . . . . . . . 3

818L8L

8-pole Bessel . . . . . . . . . . . . . . . . . . . . . . 3

818L8E 8-pole, 6-zero elliptic, 1.77 . . . . . . . . . . . . 3

818L8D80 8-pole, 6-zero constant delay . . . . . . . . . . 3

2" x 4"

8-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

818H8E Related Products

	818H8E	818	818H8B	818L8B	818L8D80	818L8E	818L8L
Description	2 X 4 8-Pole Filters	2 X 4 8-Pole Filters	2 X 4 8-Pole Filters	2 X 4 8-Pole Filters	2 X 4 8-Pole Filters	2 X 4 8-Pole Filters	2 X 4 8-Pole Filters

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