Datasheet > 900CT/900L8B

900CT/900L8B

更新时间： 2022-12-16 22:44:31

品牌	Logo	应用领域
FREQUENCYDEVICES		有源滤波器
页数	文件大小	规格书
19页	814K
描述
Tunable Active Filter Instrument

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900CT/900L8B 数据手册

Models 900CT & 900BT

Tunable Active

Filter Instrument

Single Channel –

Certified

Description

Frequency Devices’ Models 900CT & 900BT

instruments are single channel; 8-pole low-pass

or high-pass, front panel tunable filter

instruments. The controls allow the user to select

a corner frequency between 0.1 Hz and 49.9 kHz

with a resolution of 1:499 for each of the four

selectable ranges.

The instrument exhibits an input impedance of 1

MΩ shunted by 47pF to a single ended signal

source. When configured in the differential mode,

the instrument has a common mode rejection

ratio (CMRR), which exceeds 60dB; in this mode

the instrument presents an input impedance of 2

MΩ’s shunted by 47pF to a double-ended single

source. Front panel gain control also enables the

operator to select a gain factor of 0, 10, or 20dB.

Models

900CT

900BT

Standard operational features include:

1) Adjustable Frequency Control

2) Differential Input Amplifiers

3) Adjustable Gain Control

4) Off-set Adjustment

Standard AC Powered

AC Powered, with battery option

Available Low-Pass Filters:

Part#

900L8B

900L8L

900L8E

900L8EY

900L8D80

900L8D100

#Poles

Filter Type Page

Butterworth

Bessel

5) Bypass Control

6) BNC Connectors for Signal I/O

The optional battery powered 900BT is

particularly well suited to applications requiring

isolation from an electrically noisy primary power

source.

8, 6 zero

Elliptic, 1.77

Elliptic, 2.00

Constant Delay 7

Compact size and manual rotary switch front

panel controls make 900 instruments a popular,

cost effective, easy-to-use solution for signal

conditioning applications in the following areas:

Anti-aliasing Filters

Available High-Pass Filters:

Part#

#Poles

8, 6 zero

Filter Type Page

900H8B

900H8E

900H8EY

Butterworth

Elliptic, 1.77

Elliptic, 2.00

Biomedical/Biotechnology Applications

Data Recording/Playback

Data Smoothing

EKG/EEG Signal Filtering

FDM/PCM Signal Filtering

Block Diagram

4 & 5

Front & Rear panel descriptions

General Specifications:

Ordering Information

Medical Research

Industrial Process Control

Seismic Analysis

Vibration Analysis

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

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