Oscilloscope ADC Bits and ENOB – Exposing Signal Integrity Myths – E1

Learn why you should care about effective number of bits (ENOB)
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Understanding the difference between number of ADC bits and the effective number of those bits is critical if you are trying to make the most accurate measurements possible. An oscilloscope can be specified to a certain number of ADC bits, but do you know whether all of those bits are effective in making your measurements?

In this episode of Exposing Signal Integrity Myths, you will first learn about why you should care about ADC bits and what they mean for your signal. The more bits there are, the more quantization levels there can be, which ultimately means more signal detail.

By the end of the episode, you will understand why the effective number of bits (ENOB) specification is just as important as the number of ADC bits. You should always be considering ENOB when you are evaluating the measurement quality of an oscilloscope.


Tune in for future Exposing Signal Integrity Myths episodes covering more common misconceptions around signal integrity!


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The mixed signal oscilloscope we used:
http://www.keysight.com/en/pcx-x20521...
(The Keysight Infiniium S-Series Oscilloscope)

The S-Series allows you to see the truest representation of your signal with the industry’s best signal integrity: 10-bit ADC, low noise front end, superior time base, signal processing in hardware, and responsive deep memory.


Exposing Signal Integrity Myths is hosted by Erin East. The video series dives into various misconceptions around oscilloscope signal integrity. In watching this series, you will learn about the important considerations for determining an oscilloscope’s true measurement quality. Understanding the system as a whole will give you visibility into the true performance of your device.


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