Measurement-computing WBK14 Uživatelský manuál stáhnout pdf

WBK14, Dynamic Signal Input Module

988396

WBK14, pg. 1

WBK14

Dynamic Signal Input Module

Description…… 1

Current Source …… 2

High-Pass Filter (HPF) …… 2

Programmable Gain Amplifier (PGA) …… 2

Programmable Low-Pass Filter Phase Equalizer …… 3

Programmable Low-Pass Anti-Aliasing Filter…… 2

Simultaneous Sample and Hold…… 3

Excitation Source …… 3

Calibration …… 3

Hardware Setup …… 4

Configuration…… 4

Power…… 4

Assembly…… 4

Software Setup …… 5

Using Accelerometers with WBK14 …… 6

Overview …… 6

Accelerometer Specification Parameters …… 6

Electrical Grounding…… 8

Cable Driving…… 8

WBK14 – Specifications …… 9

Description

The WBK14 is a dynamic analog signal input module for the WaveBook data acquisition system. The

WBK14 provides a complete system to interface to piezoelectric transducers that include accelerometers,

microphones, force/pressure transducers, and others.

Reference Note:

Information regarding accelerometers begins on page 6 of this document module.

Each WBK14 channel has a:

•

current source for transducer biasing

•

high-pass filter

• programmable gain amplifier

•

anti-aliasing low-pass filter

•

simultaneous sample-and-hold (SSH) amplifiers

The gain, filter cut-off frequencies and current biasing levels are software programmable.

WBK14 includes a built-in programmable excitation source. This source stimulates dynamic systems for

transfer function measurements, and serves as a reference signal for calibration.

1 2 3 4 5 6 7 8 9 10

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Strany 1 - Dynamic Signal Input Module

WBK14, Dynamic Signal Input Module 988396WBK14, pg. 1WBK14Dynamic Signal Input ModuleDescription…… 1Current

Strany 2 - High-Pass Filters (HPF)

WBK14, pg. 10 988396WBK14, Dynamic Signal Input Module

Strany 3 - Calibration

WBK14, pg. 2 988396WBK14, Dynamic Signal Input ModuleWBK14 Block DiagramCurrent SourceWB

Strany 4 - Hardware Setup

WBK14, Dynamic Signal Input Module 988396WBK14, pg. 3 Programmable Low-Pass Filter, Switch-CapacitorMost of

Strany 5 - Software Setup

WBK14, pg. 4 988396WBK14, Dynamic Signal Input ModuleHardware SetupCAUTIONCAUTIONCAUTION

Strany 6 - Overview

WBK14, Dynamic Signal Input Module 988396WBK14, pg. 5Software SetupDepending on your application, you will

Strany 7 - WBK14, pg. 7

WBK14, pg. 6 988396WBK14, Dynamic Signal Input ModuleUsing Accelerometers with WBK14Over

Strany 8

WBK14, Dynamic Signal Input Module 988396WBK14, pg. 7Transverse Sensitivity - An accelerometer is designe

Strany 9 - WBK14 – Specifications

WBK14, pg. 8 988396WBK14, Dynamic Signal Input ModuleConnectorThis parameter specifies t

Strany 10

WBK14, Dynamic Signal Input Module 988396WBK14, pg. 9 WBK14 – SpecificationsName/Function: WBK14, 8-Channel

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Measurement-computing WBK14 Uživatelský manuál

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