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Inside Frequency Control

7 Incredibly Effective Ways to Prevent Pressure Transducer Problems

Posted by Rob Rutkowski on Feb 19, 2018 8:28:00 AM

Poor manufacturing environments can significantly reduce the performance quality of a pressure transducer. A failing pressure transducer will lead to problems with sensors and will provide inaccurate readings (or none at all).

A faulty pressure transducer not only can cause frustration and wasted time, but can also lead to unnecessary costs.

To prevent pressure transducer problems or failure from happening in the first place, let's take a look at 7 pressure transducer troubleshooting methods to keep your transducers & sensors working great!

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Topics: Clocks & Crystals, RF Technology, general

The Complete Guide to Crystal Oscillators (OCXO, TCXO, VCXO, & Clocks)

Posted by Rob Rutkowski on Aug 23, 2017 7:03:00 AM

Are you beginning a search for a high precision, low power quartz crystal oscillator for your application? Of course, it's not always simple selecting the best crystal oscillator. There's a handful of different oscillator types to choose from including OCXOs, TCXOs, VCXOs, and clock oscillators.

But, hold up! We're about to make things a whole lot easier for you. You're going to learn the basic descriptions of operating qualities and limitations of each type of crystal oscillator.

If you find an oscillator type that sounds like it may be a good fit for your application, follow the link for more related details and products related to that specific oscillator type. It's that easy! Ok, that should do for a good intro...let's get to it!

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Topics: crystal oscillators, Clocks & Crystals

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

Inside The VCXO: Performance and Applications

Posted by Rob Rutkowski on Apr 6, 2017 6:42:00 AM

Does your application require a super stable frequency source? How about the ability of the frequency source to be fine-tuned? Sounds like a Voltage Controlled Crystal Oscillators (VCXO) may be a great choice for your specific needs! By using a crystal oscillator as the basis of the circuit in a VCXO, high levels of frequency stability and low levels of phase noise can be maintained while still being able to control the frequency over a small range.

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Topics: crystal oscillators, 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

Can a Crystal Oscillator Operate Outside its Specified Temperature Range?

Posted by Bliley Technologies on Jul 12, 2016 8:30:00 AM


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Topics: crystal oscillators, Clocks & Crystals

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