Intro

Schematic and components

Why surface mount?

LED polarity

Surface mount version

Conclusion

Velocity factor of coax

Measuring at the peaks

Calculating the velocity factor

Intro

Summary

Why "Locate" Faults

DOCSIS 4.0

Cables are Becoming Shorter

Customer Complaints

Other Cable Types

Bad Connection

Metals

Charging a Line

Distributed Capacitance

Charging a Real Cable

Velocity Factor

Impedance Changes

Reflection Coefficient

Power Loss

Time of Flight

There's a lot of Subtlety

Heaviside "Step'' Function

Practical TDR

Low Impedance

Good Connection

Dedicated Copper Cable TDR

Reading

Outro

TDR types

20/20 TDR Overview

Accessories

TDR PC Vision Software

Battery Life

What is characteristic impedance?

How to verify characteristic impedance

How to find a fault

What is a time domain reflectometer

What do you need to know about TDR?

What does TDR do?

Demonstration setup

Adding a terminator to the cable

Applications for TDR

Terminating a cable

Intro

How does it work?

Difficult to use on circuits with branched conductors

Effect of pulse width

Pro-range

Phase comparison on high voltage transmission cable

Thumper charging

Shorting the end of the cable

Temporary grounding jumper

Conclusion

Best Design Practices

Webinar List

Signals are Dynamic

The third principle by which signals interact with interconnects

Characteristic Impedance

Reflection Coefficient

Measurement Results

Impact of not getting a good connection

Launch Discontinuity

KE2100 Time Domain Reflectometer

Line length measurement

Fault localization

Comparison measurement

Including KE2100 Manager software!

What is a TDR?

How does a TDR work?

Test lead error

Dead zone errors

Velocity factor explained

Sampling a cable for velocity factor

Using TDR's when velocity factor is unknown

Impedance explained

Impedance scale on the TDR

Reading TDR traces

Proper test lead hookup

External factors that affect your TDR trace

Sample screen shots of TDR traces

Coax display after pinching the shield

Intermittent fault detection

TDR into an LRU

Noise on a TDR trace

Purchasing a TDR

Line of Sight Radar

Splice

Reading a Time Domain Reflectometer Signature

Dead Zone

Dispersion

Time of Flight

Illegal Taps

Application of Time Domain Reflectometry Applied to Medium Voltage Electrical Power Cables

The Use of a Tdr

Summary

Set the velocity of propagation

Autofit

Adjusting vertical scale

Distance to fault measurement

Relative distance to fault

Distance between two faults

Conclusion

Introduction

Basics of a TDR

The 74AC14 Schmitt Trigger Inverter

Circuit buildup

Connecting the circuit to the scope

Connecting the oscilloscope to the pulse generator

Measuring the time delay

Calculating length

Benefits of a fast edge

Conclusion

Direct measurement of soil moisture

TDR data analysis

Calculating water content

Calculating disturbance

Measurement in water

Capacitance probe water content

Capacitance probe results

Measuring probe response

Passive probe measurement results

TDR 4000 Power Rail Probe Results

Attaching the cable

Attaching the probe

Measuring a PCB coupon

Baby Standard Traces

Measuring dielectric constant

Single Traces

Measuring trace impedance

Setup

Low Noise

ESD protection circuit

TDR measurement using a transient simulation

Placing a balun component

Adding an SMP component

Terminating the circuit

Using the TDR front panel to expedite the process of making TDR measurements

Advanced Settings

Setting the time sweep

Conclusion

Outro

Prism

Infrasonic

Elliptical

Ultrasonic

Arbiter