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Bode Plots on oscilloscope show control loop gain and phase versus frequency.
Measuring the Control Loop Response of a Power Supply with an Oscilloscope Tuesday, October 5, 2021
Power supplies and voltage regulators are typically designed to maintain a constant voltage over a particular current range. The supply should respond quickly to demand changes while maintaining a constant output, without excessive ringing or oscillation. To do this, power supplies are essentially amplifiers with a closed feedback loop. Control loop measurements help to measure how a power supply …
Access and control your oscilloscopes remotely with TekScope PC analysis software
Using TekScope Software to Enhance the Capabilities of Your Bench Oscilloscope Friday, August 20, 2021
Most bench oscilloscopes have many built-in features that allow you to do a lot of analysis and operations on the instrument itself. But sometimes, there is a need to do some offline analysis.  So, this article talks about why offline analysis is necessary and how to use offline analysis software.  Why offline analysis is worth considering Here are some reasons why you might sometimes want to (or …
Oscilloscope cloud software integration with TekDrive
New TekDrive Python SDK Allows for Seamless Integration into Your Workflow Thursday, August 19, 2021
Getting data off your oscilloscope and into the hands of a colleague or a processing program can be a hassle — and that is exactly the problem that TekDrive solves. TekDrive allows effortless collaboration by transferring, storing, organizing, managing and sharing data and files. And now doing all of that is even easier thanks to the new Python SDK! The TekDrive API allows you to perform multiple …
Magnetic and Electrical Field on a Circuit Board
A 3-Step Process to Identify Electromagnetic Interference (EMI) Monday, July 26, 2021
Radiated emissions, most often referred to as electromagnetic interference (EMI), are carefully regulated to ensure reliable operation and safety for users of electrical and electronic equipment. Regulations limit the allowable radiated emissions, and to keep their products within these limits, designers invest significant time and effort. One reason why EMI poses challenges is that emissions are …
Four-Wire Resistivity Measurements Monday, May 17, 2021
This article is based on a presentation by Mary Anne Tupta, Senior Applications Engineer, Keithley Instruments, a Tektronix company, at the American Physical Society March 2021 Meeting.   Measuring resistivity accurately is crucial in research on devices and materials like superconductors, conductors, low power materials, semiconductors, and intrinsic semiconductors. Essentially, a sample’s …
TBS1000C bench oscilloscope
How to choose the best oscilloscope Tuesday, May 11, 2021
Oscilloscope bandwidth System bandwidth determines an oscilloscope’s ability to measure a signal. Specifically it determines the maximum frequency that the instrument can accurately measure. Bandwidth is also a key determining factor in price. Determine what you need – use the ‘five times rule’ For example, a 100 MHz oscilloscope is usually guaranteed to have less than 30% attenuation at 100 MHz …
TBS1000C bench oscilloscope
What is an oscilloscope? Tuesday, May 11, 2021
An oscilloscope, formerly known as an oscillograph, is an instrument that graphically displays electrical signals and shows how those signals change over time. It measures these signals by connecting with a sensor, which is a device that creates an electrical signal in response to physical stimuli like sound, light and heat. For instance, a microphone is a sensor that converts sound into an …
Tektronix 5 Series MSO next to a Keysight MXR
4 Things I Noticed about Keysight’s New MXR Oscilloscope Tuesday, April 6, 2021
The Tektronix 5 Series MSO really changed the professional oscilloscope playing field with its large high-definition display, 6 and 8 channel models paired with an intuitive user interface that was designed from the ground up to incorporate touch interactions (pinch zoom, double tap, etc). The 6 Series incorporated these same features with higher bandwidth and improved performance. Keysight …
TBS2000B digital oscilloscope
How Does an Oscilloscope Measure Frequency? Tuesday, April 6, 2021
Oscilloscopes measure the voltage of an electrical signal, which is then graphically represented by waveforms. However, an oscilloscope can be used to take measurements for a number of different applications – one of which is frequency. But how does an oscilloscope measure frequency, exactly? Well, there’s a straightforward answer, and then there’s a slightly more complicated answer. On most, if …
3 Series MDO mixed domain oscilloscope
What does an oscilloscope measure? Thursday, March 25, 2021
Most consumer products include electronic circuits or components, and an oscilloscope is used throughout the product design process to test those components. But what is an oscilloscope? And what does an oscilloscope measure? An oscilloscope is an instrument that graphically displays electrical signals and shows how those signals change over time. Engineers use oscilloscopes to measure electrical …