Author: Sebastian Westerhold
Measuring filter response using a noise source

If you own a spectrum analyzer with tracking generator or, even better, a good vector network analyzer, measuring the frequency response of a filter is fairly easy. But there is one old approach using a noise source that can turn any oscilloscope with a FFT spectrum view into a useful tool for determining the frequency … [Read more…]
Jackson Labs Chip Scale Atomic Clock (CSAC)
Quick look at the Jackson Labs Chip Scale Atomic Clock (CSAC) including a very brief jitter analysis using the LeCroy WaveRunner 640 Zi 4 GHz, 40 GS/s oscilloscope.
Crystal oscillator frequency pulling
This video briefly explains how to influence a crystal oscillator’s frequency by introducing reactive elements such as trim capacitors and inductors:
Teledyne LeCroy HDO4024 Teardown
Since the text-blog article about me tearing down my Teledyne LeCroy HDO4024 was so successful, I decided to shoot a video with a more detailed teardown. Here it is:
Look Inside: Teledyne LeCroy HDO4024

True beauty lies within, or so they say. For an exclusive look under the hood, I decided to break the warranty seal on my Teledyne LeCroy HDO4024. It took me a while to debate with myself whether or not I should void the warranty on this scope. Curiosity won and I couldn’t resist, I just … [Read more…]