Test Happens.
22 February 2021
Don't Attach Multiple Probes to the Same Place at the Same Time!
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Figure 1. Response of two different probes to an upper-side gate drive measurement. Along with using single-ended passive probes for high-vo...
15 February 2021
Don't Probe HV with Single-ended Passive Probes!
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Figure 1. A simple 120 Vrms switch-mode power supply has a +/- 170 V peak and a 340 V pk-pk, difficult for most single-ended passive probes ...
08 February 2021
Using Spectrograms to Visualize Spectral Changes
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Figure 1. The spectrogram shows a history of change in a spectrum and highlights variations in frequency or amplitude. In our last post, we ...
01 February 2021
Situational Awareness: RF Noise in the Lab
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Fig. 1. Time domain (top) and spectral (bottom) views of s ignal shown in SPECTRUM-1 on a WaveSurfer 4000HD. Laboratories have multiple sou...
25 January 2021
Situational Awareness: The Impact of the Interconnect
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Fig 1. Coaxial cable has little effect on signal rise time, but that's not true for every connection method. How you connect a signal to...
18 January 2021
Situational Awareness: Testing Oscilloscope Outer Limits
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Fig 1. 40 ps signal measured full bandwidth on a 1 GHz oscilloscope shows visible over/undershoot. Nothing is perfect. Every test instrument...
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11 January 2021
Four Measurement Best Practices
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To start the New Year right, we’re going to talk about four measurement "best practices", which will help you get the most out of ...
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