Test Happens - Teledyne LeCroy Blog

Test Happens.

25 March 2019

The Resolution Revolution In Oscilloscopes

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Figure 1: Teledyne LeCroy's WavePro HD exemplifies today's high-resolution, high-bandwidth instruments Oscilloscopes hav...
08 March 2019

Which Windowing Function to Use in FFTs?

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Figure 1: Examples of a Hamming function (blue) and Hanning function (red) When performing a fast Fourier transform on an acquired wav...
27 February 2019

About Windowing in Fast Fourier Transforms

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Figure 1: Windowing a waveform that's not periodic within the acquisition window reduces spectral leakage The second artifact in FF...
22 February 2019

About Data Truncation in Fast Fourier Transforms

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Figure 1: The first precondition of using the Fourier transform is a repetitive signal Our last post discussed how time-domain signals ...
30 January 2019

Getting From the Time Domain to the Frequency Domain

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Figure 1: A fundamental underlying assumption of a discrete Fourier transform is a repetitive waveform Fundamentally, oscilloscopes a...
19 December 2018

Using 50-Ohm Coax From DUT to Oscilloscope

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Figure 1: A coaxial cable presents high impedance at low frequencies but acts as a transmission line at higher frequencies In our recen...
12 December 2018

Squeezing More Bandwidth From a 10x Passive Probe

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Figure 1: Shown is a comparison of inherent oscilloscope noise and noise at the shorted tip of a 10x passive probe Now that we have a b...
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