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Inside Frequency Control

The Secret to Maintaining Low Phase Noise in Crystal Oscillator Circuits

Posted by Rob Rutkowski on May 22, 2019 9:06:00 AM

Quartz crystal oscillators are the high and mighty option for low phase noise and added frequency stability in circuit design. Yes, simple oscillators like those made with resistor-capacitor (RC) or inductor-capacitor (IC) resonators are fine for some circuits. But if you're dealing with higher performance applications in aerospace, military, and space industries... you're going to want a higher performance crystal oscillator that can maintain low phase noise & strong stability. Otherwise, you'll risk deviating from the very specific (and many times critical) center frequency selected for your design.

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Topics: crystal oscillators, RF Technology, Integrated RF

Should I Use a GPSDO or Atomic Clock in my Satellite Application?

Posted by Bliley Technologies on Apr 10, 2019 11:10:34 AM

There is often some confusion as to which timing device would work best in satellite communication applications. Should you use a standard oscillator, GPS Disciplined Oscillator (GPSDO), or atomic clock (cesium and rubidium) in your satellite application?

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Topics: Space & Satellites, Integrated RF

What are GPS Disciplined Oscillators (GPSDO)?

Posted by Rob Rutkowski on Mar 19, 2019 9:26:00 AM

GPS Disciplined Oscillators (GPSDO) are one of today's most trusted and accurate sources of timing.  These powerful devices (sometimes called GPS clocks) consist of a high-quality stable oscillator and a GPS receiver. The GPSDO works by disciplining (or steering) the oscillator output to a GPS device or GNSS satellite signal via a tracking loop.

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Topics: crystal oscillators, RF Technology, GPS & GNSS, Integrated RF, Defense & PNT

[Press Release] Bliley Introduces 'Atlas 1PPS' - GPS Disciplined OCXO

Posted by Bliley Technologies on Feb 26, 2019 9:46:00 AM
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Topics: GPS & GNSS, Integrated RF, Defense & PNT

4 Specific Applications That May Require Ultra-Frequency Stability

Posted by Rob Rutkowski on Jan 17, 2018 9:08:00 AM
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Topics: RF Technology, Integrated RF

Bliley Technologies GPS Disciplined Oscillator (GPSDO) for Small Satellite Mission Success

Posted by Rob Rutkowski on Dec 15, 2017 10:55:36 AM

Bliley Technologies has been recognized in the frequency control industry as one of the premier suppliers for high quality OCXOs for over 85 Years.  Bliley has been moving up the value chain from an RF system perspective.  Within the last year, Bliley has developed a commercial LEO solution to provide a master reference oscillator which provides the functionality of a PLL and OCXO from the GPSDO design and is currently in production

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Topics: Integrated RF

5 Reasons Why Choosing an Ultra-Stable OCXO Might be Smart

Posted by Rob Rutkowski on Aug 9, 2017 7:32:00 AM

Here’s the scary thing…

Even if you sit for hours upon hours trying to set a precise initial frequency of an oscillator, it’s still going to drift and the oscillator will not be able maintain that frequency over the full course of its use. In this post, you’ll learn the MANY sources of frequency instability and why an Ultra-Stable OCXO may be the fix-all solution.

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Topics: crystal oscillators, RF Technology, Integrated RF

How Bliley Made its Low Power OCXO Technology More Accessible

Posted by Bliley Technologies on Mar 14, 2017 6:30:00 AM

One Size Does NOT Always Fit Well

When it comes to crystal oscillators, one size does not fit all. Different applications have different power requirements, ranges of phase noise, tolerance for acceleration sensitivity, and more. As a result, different types of crystal oscillators have been developed over the years and are all used for many different applications. 

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Topics: crystal oscillators, Integrated RF

The Low Power OCXO Revolution

Posted by Rob Rutkowski on Oct 4, 2016 7:30:00 AM
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Topics: engineering, crystal oscillators, general, Integrated RF

Bliley Introduces LP-N: Low-Power OCXO in a DIP8 Package

Posted by Bliley Technologies on Sep 16, 2016 6:30:00 AM

PRESS RELEASE

For Immediate Release

Bliley Introduces LP-N: Low Power OCXO in DIP8 Package

September 16th, 2016 

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Topics: Press Release, crystal oscillators, general, Integrated RF