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New SMUs Overcome Tough Test Challenges Involving Low-Current, Capacitive Setups Friday, November 1, 2019
Test setups that involve the use of long cables or capacitive chucks can increase capacitance at the output of the test instrument, resulting in inaccurate or unstable measurements. This is particularly true for very sensitive low-current measurements while sourcing or sweeping a DC voltage. To address these challenges, Keithley, a Tektronix Company, has introduced two new source measure unit …
Tektronix 3 Series MDO vs. Keysight Technologies DSO/MSO-X 3000T How Different Measurement Data Delivers Different Results Saturday, October 19, 2019
Automated waveform measurements are important analysis tools, but the results of these measurements are only as good as the data used to calculate them. The Tektronix 3 Series MDO calculates measurements using the actual acquisition data. And while this can involve a large number of calculations, it provides a large and consistent dataset on which to base measurements. The Keysight X3000T uses a …
Engineer's Day 2019 India
Engineer's Day 2019 Sunday, September 15, 2019

My first mentor once told me, “There is nothing called advanced. There’s basics and there’s more basics.” Since that day, nothing has stopped my hunger for learning and improving. Every day is a challenge. But an engineer doesn’t need motivation to complete a task. My older sister likes to remind me that “…a dedicated person is always on the go.” Surprisingly she was right! -- Tektronix India engineer, Avantika

Accurate measurements on your power converters begin with your probe tip Thursday, September 12, 2019
  One of the biggest challenges power electronic designers face is connecting probes to circuit boards, maintaining both electrical and mechanical integrity.  As components and modules continue to become smaller and smaller, the connectivity challenge will only become more difficult. How will you face this challenge? This blog will explore some of the current challenges in connectivity and some …
Performing Breakdown Voltage and Leakage Current Measurements on Today’s High Voltage Semiconductor Devices Wednesday, September 11, 2019
After years of research and design, Silicon Carbide (SiC) and Gallium Nitride (GaN) power devices are becoming more viable.  But, these devices, though high performance, come with challenges, including gate drive requirements.   SiC requires much higher gate voltage (Vgs) with a negative bias for turn off.  GaN, on the other hand, has much lower threshold voltage (Vth), requiring tight gate drive …
Tired of Cutting the Cable? Meet Signal Separation for Automotive Ethernet Wednesday, September 4, 2019
As many of us know, the amount of data generated by sensors inside an automobile has grown significantly over the last decade and is expected to grow exponentially as manufacturers race towards autonomous vehicles. Multiple sources predict that autonomous vehicles will generate between 4TB and 20TB of data per day, per vehicle. In comparison, an average person’s video, chat, and other internet …
Which oscilloscope to buy? Things to consider when choosing a scope Thursday, August 29, 2019
Oscilloscopes are used as windows into signals for troubleshooting circuits or checking signal quality. A digital oscilloscope, which is what we’re going to be concentrating on in this article, acquires and stores waveforms. The waveforms show a signal’s voltage and frequency, whether the signal is distorted, timing between signals, how much of a signal is noise, and much, much more. But how to …
How Does an Oscilloscope Measure Frequency? Thursday, August 29, 2019
Oscilloscopes are primarily set up to measure the voltage of an electrical signal, which is then graphically represented by waveforms. However, scopes 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 …
How can an oscilloscope measure current? Thursday, August 29, 2019
Most oscilloscopes only directly measure voltage, not current, however there are a couple of ways it is possible to measure current using a scope: Measure the voltage dropped across a shunt resistor – some power supply designs may have shunt resistors built into the design for feedback. One technique is to measure the differential voltage drop across such a resistor. These are generally low-value …
What is an Oscilloscope Probe? Thursday, August 29, 2019
An oscilloscope probe is a device that makes a physical and electrical connection between a test point or signal source and an oscilloscope. Depending on your measurement needs, this connection can be made with something as simple as a length of wire or with something as sophisticated as an active differential probe. Essentially, a probe is some sort of device or network that connects the signal …

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