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Inside Frequency Control

Rob Rutkowski

Recent Posts

What You Should Know About Stratum System Levels

Posted by Rob Rutkowski on Sep 18, 2018 9:55:30 AM

What You should know about stratum levels graphic

When it comes to stratum levels and minimum performance requirements for digital network synchronization, there's definitely a lot to know. A standard first released in 1987 entitled "Synchronization Interface Standards for Digital Networks" from the American National Standards Institute (ANSI) lays out all the official information and requirements. 

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Topics: RF Technology

Critical Infrastructure in the 21st Century (GNSS & PNT Solutions)

Posted by Rob Rutkowski on Aug 21, 2018 9:45:00 AM

Building resilience into Global Positioning System (GPS) timing and frequency receivers is crucial in the 21st century. Since the presidential directive on U.S Space-Based Position, Navigation, and Timing (PNT) and Critical Infrastructure Protection (PPD-21), federal agencies have been advancing their efforts when it comes to GPS and Global Navigation Satellite System (GNSS) capabilities. 

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Topics: GPS & GNSS, Defense & PNT

What's the Difference Between DVB-S2 and DVB-S2X Standards?

Posted by Rob Rutkowski on Jun 26, 2018 8:32:00 AM

In 1994, the world's first digital satellite TV services were launched in Thailand and South Africa. They utilized the newly developed Digital Video Broadcasting Satellite (DVB-S) system.

Over time, DVB-S became the most popular system for delivering digital TV broadcasts. Technology has advanced and spread tremendously since then, which lead to an increased need for advances to the DVB-S system. Thus, the DVB-S2 and DVB-S2X systems were born!

Let's take a look at these two DVB standards and the main differences between them. 

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Topics: Space & Satellites

Communication With Aliens - Interstellar Messages in Deep Space

Posted by Rob Rutkowski on Jun 5, 2018 7:50:00 AM

We can't possibly be the only intelligent life-forms in this infinite universe, can we? I mean, there's still plenty of exploring to do in our own solar system let alone nearby stars, our entire galaxy, and surrounding galaxies. Will our current deep space communication efforts, like Voyager 1, ever stumble across alien life so us humans can say, "Hi! We're here!"? Or will it take so long that our messages would be more like, "Hi! We were here!"? 

Let's explore some current communication efforts to make contact with aliens and how they work.

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Topics: crystal oscillators, Space & Satellites

Laser Communication in Space Could Multiply Data Rates by 100x

Posted by Rob Rutkowski on May 15, 2018 8:06:00 AM

Since the beginning of NASA, radio communication has been the go-to method of communication for spacecrafts. Well, that's about to change. NASA has recently announced they will be making a major change to some of their upcoming communication systems by implementing new, cutting-edge, laser communication technology. 

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Topics: RF Technology, Space & Satellites

Not All Drones Are Created Equal (9 Types of Drones)

Posted by Rob Rutkowski on Feb 13, 2018 7:08:00 AM

Full Disclosure: This post contains affiliate links in that we will receive a small commission if you click through and make a purchase (with no additional cost to you). 

Drones...Drones...Drones... It's almost like everywhere you go these days you can't help but be sucked into "drone chat". 

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Topics: General Topics

New Space Isn't Just for LEO Constellations (5 Deep Space Companies)

Posted by Rob Rutkowski on Jan 31, 2018 6:40:00 AM

We've been doing a lot of talk about the new space movement and the newest LEO constellation innovations. It's about time that we bring to your attention that LEO constellatioins aren't the only innovation when it comes to the new space (or space 2.0) movement. As technology and payloads of satellites continue to skyrocket (ha!), so does our ability to efficiently explore the deep, dark depths of outer space.

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Topics: Space & Satellites

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

The TCXO Performance Guide (Plus 4 Common Types)

Posted by Rob Rutkowski on Oct 13, 2017 10:47:46 AM

TCXO Performance Qualities

A standard TCXO has quite a few performance qualities. Some of the most common performance figures are summarized below:

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Topics: crystal oscillators

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