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Inside Frequency Control

How EFC Over-Specification May Be Costing You (AT vs. SC Cut Crystals)

Posted by Rob Rutkowski on Oct 2, 2019 11:14:09 AM

What if I told you that specifying more Electronic Frequency Control (EFC) than you need could actually be hurting your pocketbook? Well, it very well may be! Paying attention to whether your supplier is using AT cut vs SC cut crystals will help you save money in the long run with OCXOs.

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Topics: crystal oscillators, Clocks & Crystals, RF Technology

What The Heck is an OCXO Oscillator? (Facts & Functionality)

Posted by Rob Rutkowski on Aug 20, 2019 8:20:00 AM

Ahh the mysterious OCXO. What the heck is an OCXO anyway? What's it good for? When should you use one in your electronic system design? These questions and more will all be answered in this post.

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Topics: crystal oscillators, Clocks & Crystals

6 Innovative Markets Where Precise Timing & Sync Will Be Crucial

Posted by Rob Rutkowski on Aug 6, 2019 8:20:00 AM

Precise timing across a variety of networks and industries is becoming a necessity. Both operationally and legally.  It's actually pretty amazing to see the evolution of timing & frequency control throughout different industries. There's been significant timing innovations over the past 5-10 years alone.

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Topics: Clocks & Crystals, RF Technology

CMOS Clocks: Advanced Timing Capabilities for Extreme Environments

Posted by Bliley Technologies on Jul 11, 2017 6:30:00 AM

CMOS Clocks are a key technology that enables everything from laptops and smartphones to satellites and spacecraft to function. But what exactly do these devices do, and how are they beneficial in extreme environments and demanding applications? In this article, we will give a quick overview of the benefits of CMOS clocks, and how RF engineers put them to work in some of the most challenging applications.

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Topics: crystal oscillators, Clocks & Crystals, RF Technology

A Beginner’s Guide to Understanding CMOS Clocks

Posted by Bliley Technologies on Jun 13, 2017 6:30:00 AM

There are so many different devices and products for frequency generation and timing, but between all the acronyms and complex terminology of the RF industry, it can be confusing trying to understand what each type of clock or oscillator does, and what the best applications for each of them are. In this article, we’re going to help clear up some of the confusion, with a specific emphasis on CMOS clocks. We’ll cover what these devices are, why they are important, and how to know if one of these clocks is the best fit for your application.

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Topics: Clocks & Crystals, RF Technology

Space-Proven Crystal Oscillators and Resonators

Posted by Bliley Technologies on Nov 15, 2016 6:30:00 AM

Welcome aboard! 

I'm about to take you on a journey through the deep, dark depths of outer space. Why? So you can get a feel for what crystal oscillators and resonators must endure while in the infinite world of darkness and wonder! First, you'll need to learn the important differences between crystal oscillators and resonators. After your mission is complete, you'll begin your journey to the depths of outer space from a resonator and oscillator perspective and learn their different roles and applications in space.

Enjoy your ride!

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Topics: aerospace, crystal oscillators, Clocks & Crystals

Anatomy of an OCXO - Oven Controlled Crystal Oscillator

Posted by Bliley Technologies on Aug 9, 2016 11:14:23 AM

OCXO 101
Oven Controlled Crystal Oscillator Basics

An OCXO (or Oven Controlled Crystal Oscillator) is near the top of the food-chain when it comes to quartz based frequency control devices, superseded only by the mighty DOCXO or Double Oven!
 
An OCXO is a temperature-controlled device that maintains a quartz crystal's constant operating temperature. This prevents changes in the specified frequency due to variations in ambient temperature.
 
The frequency output of a crystal oven is dependent on the temperature of the quartz crystal. You can see in the figure below that temperature can have a significant impact on frequency of the oscillator.
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Topics: engineering, crystal oscillators, Clocks & Crystals

4 Ways to Improve Oscillator's Dynamic Phase Noise Performance

Posted by Bliley Technologies on Jul 19, 2016 10:34:02 AM

 

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Topics: aerospace, crystal oscillators, Clocks & Crystals, RF Technology, Space & Satellites, Defense & PNT

Understanding the Types of Crystals Inside of Your Oscillators

Posted by Bliley Technologies on May 30, 2016 7:00:00 AM

Comparing the differences between AT and SC crystals and their impact on oscillator performance.

Inside of every quartz oscillator is something called a crystal blank.  The crystal blank is the resonating element of the oscillator that when subjected to a voltage potential will begin to vibrate and oscillate at it’s "fundamental frequency.”  As you can probably imagine, the way that crystal blank is manufactured can have a significant impact on the oscillators performance.  One of the most impactful manufacturing steps to crystal, and therefore oscillator performance, is the orientation of the quartz when the crystal blank is cut.

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Topics: crystal oscillators, Clocks & Crystals

Bliley Technologies introduces the BTI20160401 Kyber Crystal (non-weapon grade)

Posted by Bliley Technologies on May 9, 2016 3:00:30 PM
Erie, PA; April 1st, 2016 - The innovative engineers at Bliley Technologies have completed development of their next market changing product, the BTI20160401.  The BTI20160401 is a line of high-quality genuine quartz Kyber crystals.  Led by a team of some of the most experienced crystal engineers in the industry, the BTI20160401 represents "state-of-the-industry" in non-weapon grade Kyber crystals.
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Topics: Press Release, Clocks & Crystals

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