---
title: "Model 1105-G | Universal Counter (with 40 ps Time Interval, Math Functions)"
date: 2025-01-06T08:42:08Z
modified: 2026-02-13T21:43:28Z
permalink: "https://www.berkeleynucleonics.com/model-1105/"
type: page
status: publish
excerpt: ""
wpid: 19620
---

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####  What Is Phase Noise? 

 



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Phase noise is the noise produced by fast, short term fluctuations in a signal. Phase noise diminishes the signal quality and increases error rates in communication links. Although there is no such thing as “no” phase noise, the less you have, the better.