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Testing RF Signal Sources Frequency Transient Performance

4/15/2019

 
Frequency Versus Time We think of frequency sources such as RF and microwave signal generators as well controlled sources of frequency.  It is easy to verify signal source performance using standard test equipment such as spectrum analyzers, frequency counters, or signal source analyzers.  These instruments are fine so long as the signal source is relatively stable at a fixed frequency. But what if you need to analyze what happens as the frequency source slews from one frequency to another such as in the case of a sweep generator, frequency synthesizer or simple VCO?  You won't have much luck using conventional instrumentation to measure these.  What is needed is an instrument that can measure frequency versus time.
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WE Are Not Alone and Valon technology is helping out.

4/9/2019

 
Have you seen the March 2019 edition of National Geographic magazine?
The cover is titled "We are Not Alone".  Our Valon Technology radio frequency synthesizer products are helping researchers at these radio astronomy sites all around the world.
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Does Your Clock Jitter?

4/8/2019

 
Phase Noise Testing

Quick phase noise tests can be made with a spectrum analyzer, and many spectrum analyzers have built-in phase noise measurement capability.  But often times the phase noise requirement of the signal source under test exceeds the performance of the particular spectrum analyzer that might be available in your lab. 

Phase noise testing is likely to be a performance test that only needs to be done occasionally, during development for example, and is not necessary on a routine unit-to-unit basis. It doesn't make sense to have a $70k+ test instrument sitting around idly in your lab.
 
Since phase noise analysis is a vital part of what we have to do in developing our signal source products, we have invested in the equipment to do the job. We routinely use test and optimize our products using our Berkeley Nucleonics 20GHz signal source analyzer.
 
We can make phase noise measurements on your product too and provide you with tabular data, PN offset frequency plots, and jitter analysis.  We can also help you improve your system by offering suggestions and showing you how to improve your product’s phase noise and stability.
  
Contact us for a discussion on how we can help and provide you with an estimate. 

Our new Valon 5015, a 15GHz frequency synthesizer - precision and versatility at low cost.

5/15/2018

 
Today, we officially announce the Valon 5015, a new model in our line-up of frequency synthesizers.  In this blog, Stuart provides some background on why we developed it, its capabilities, and the challenges of delivering the best phase noise on the market at a very low price point.


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Phase Noise - Our Secret Weapon

4/12/2018

 
Lord Kelvin was right:  If you can’t measure it, you don’t know what you’re talking about.

The key to designing and manufacturing high quality electronic equipment is the ability to make measurements on various parameters accurately, repeatedly, and quickly.  With signal sources such as oscillators, VCOs, TCXOs, and frequency synthesizers, no parameter is more important that signal purity.  The Holy Grail of signal purity is PHASE NOISE.

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PLL Debugging - Start with the simplest Solution First

3/6/2018

 

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Valon 5009 Hints and Kinks - Power supplies

1/5/2017

 

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What Lies Beyond?

10/27/2016

 
Have you ever been using a piece of test equipment and needed to go above or below the end of its range?  
Ever wonder why the limit was a brick wall and you couldn’t get a few extra megacycles beyond?
Fortunately you don't have to wonder if you are using one of our Valon 5009 Dual Frequency Synthesizer modules.

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Dual Control of a Dual Synthesizer

7/3/2016

 
The Valon 5009 is dual-channel radio frequency synthesizer covering 23.5MHz to 6000MHz. There are two independent RF sources contained within the same module. The Operations Manual refers to these as Source1 and Source2. Both Sources are phase locked to the same internal or external frequency reference frequency and either Source can be controlled by the USB port using any terminal emulator program, our supplied 5009term.exe text based terminal program, or the provided V5009 Configuration Manager GUI. 

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Valon 5009 Dual Frequency Synthesizer Also Has Dual Serial Ports

6/17/2016

 

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    Stuart Rumley

    President/Owner,
    Valon Technology, LLC

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Valon Technology, LLC    1999
  • Home
  • RF Products
    • 5019 Frequency Synthesizer
    • 5015 Frequency Synthesizer
    • 5009 Frequency Synthesizer >
      • 5009 Product Change Notification
    • 3010 Programmable Frequency Divider
    • 2100 Downconverter
    • 4002 Phase Detector
    • UPS6V-2 Battery Supply & Charger
    • Legacy Products
    • Accessories
    • How to Order Our Products
    • 5007 Frequency Synthesizer
  • Resources
  • About Us
  • Contact Us
  • Blog