Hackaday

time-domain reflectometry

For certain high-security devices, such as card readers, ATMs, and hardware security modules, normal physical security isn’t enough – they need to wipe out their sensitive data if someone starts ...
EDN

Tutorial on Time Domain Reflectometry (TDR)

The most general approach to evaluating the time domain response of any electromagnetic system is to solve Maxwell’s equations in the time domain. Such a procedure would take into account all the ...
EDN

Use Time Domain Reflectometry (TDR) for low-cost liquid level measurement—Part I

There are many types of sensing used to measure liquid levels.For example: Using a float to drive a resistive element Using capacitive measurement Using ultrasonic measurement This series of three ...
Electrical Construction & Maintenance

Proper Testing Techniques When Using a Time Domain Reflectometer

A time domain reflectometer (TDR) measures reflections along a cable. It is similar in principle to radar. To measure those reflections, the TDR transmits an incident signal into the cable and watches ...
Electronic Design

Using a VNA Like a Time-Domain Reflectometer (Download)

Time-domain reflectometry (TDR) is a technique that measures and displays the impedance of a network (cable, filter, and so on) over time. Traditionally, this is done with a device that generates very ...
Nature

Time Domain Reflectometry in Soil Moisture and Electromagnetic Properties

Time Domain Reflectometry (TDR) has emerged as an invaluable tool in soil science, offering precise quantification of moisture content and the electromagnetic characterisation of soils. By ...
T&D

T3 Innovation's New Snap Shot TDR Now Available

Utilizing an Advanced Form of Spread Spectrum Time Domain Reflectometry, Snap Shot Seeks and Measures for Electrical Faults Over Energized Data Lines, Electrical Cable Runs, and Live Coax Systems ...
Electronic Design

Distance-to-Fault Is Spelled TDR or VNA

Time-domain reflectometry (TDR) is a very simple concept. A voltage pulse or step is applied to the end of a cable, and the reflections are measured and analyzed. As with most simple concepts, the ...
Hackaday

time domain reflectometer

For certain high-security devices, such as card readers, ATMs, and hardware security modules, normal physical security isn’t enough – they need to wipe out their sensitive data if someone starts ...
Semiconductor Engineering

Open-Short Normalization Method For A Quick Defect Identification In Branched Traces With High-Resolution Time-Domain Reflectometry

Time-domain reflectometry (TDR) that employs electro-optical sampling affords excellent resolution at the femtosecond level and exhibits a comprehensible impulse waveform, thereby allowing quick ...
T&D

Lightweight Time Domain Reflectometer for Cable Fault Location

With the handheld devices TDR 500 and TDR 510, BAUR Prüf- und Messtechnik GmbH presents new and robust time domain reflectometers for length determination and fault location in power and data cables.