An open source, Arduino-compatible RF signal generator with Wi-Fi connectivity

May 31, 2017

Project update 5 of 27

Pedestal Noise: ERASynth vs Rigol DSG3030 vs Agilent E8257D

A signal generator’s pedestal phase noise has different impacts on the system depending on the application. For example, when used as a local oscillator in a receiver application, pedestal phase noise degrades the receiver sensitivity. When used as a clock source in a data converter, pedestal phase noise (together with close-in phase noise) determines the jitter, which ultimately effects the converters dynamic performance.

We carried out a test to compare ERASynth to a couple of bench-top signal generators available in our lab. Here is the result
The photo of test setup

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