--- title: Inside Frequency Control | Bliley Technologies description: Bliley Technologies has been a leader in low phase frequency control products for more than 80 years. Our blog discusses radio frequency, electronic design, and industry news. --- [![Bliley technologies](https://blog.bliley.com/hubfs/Logo_Files/Bliley-logo-dark-bgArtboard%202.svg "Bliley technologies")](https://www.bliley.com) - Solutions - [Blog](https://blog.bliley.com) - - [Buy Online](https://shop.bliley.com/) # Inside Frequency Control ## [Creepy Radio Frequencies: The Scariest Sounds in Space](https://blog.bliley.com/creepy-sounds-from-space) Posted by [Rob Rutkowski](https://blog.bliley.com/author/rob-rutkowski) on Oct 31, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/creepy-radio-frequencies-the-scariest-sounds-in-space.jpg?width=441&height=245&name=creepy-radio-frequencies-the-scariest-sounds-in-space.jpg)](https://blog.bliley.com/creepy-sounds-from-space) The Halloween season is upon us once again. (Finally!) So yes, we're about to take on the challenge of linking frequency control to Halloween. Can it be done? Maybe. Will it be done? Yes. (We never let the word "impossible" stop us in the past.) In this post, you're going to discover the dark, creepy side of frequency control by listening to some of the scariest sounds that can be found in outer space.  [Read More](https://blog.bliley.com/creepy-sounds-from-space) 2 Comments [Click here to read/write comments](https://blog.bliley.com/creepy-sounds-from-space#comments-listing) Topics: [Space & Satellites](https://blog.bliley.com/topic/space-satellites) ## [Clipped Sine Wave Oscillators: TCXOs & Their Common Applications](https://blog.bliley.com/clipped-sine-wave-oscillators-tcxos) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Oct 24, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/clipped-sine-wave-oscillators-tcxos-and-their-common-applications.jpg?width=441&height=245&name=clipped-sine-wave-oscillators-tcxos-and-their-common-applications.jpg)](https://blog.bliley.com/clipped-sine-wave-oscillators-tcxos) Some of the most important decisions an RF engineer will make when designing a new system are [choosing the right type of crystal oscillator](https://blog.bliley.com/choosing-best-quartz-crystal-oscillator) and [determining which signal output is the best fit](https://blog.bliley.com/selecting-the-best-signal-type-for-your) for their application. Each type of oscillator and output signal comes with its own set of advantages and disadvantages.  In this article, we'll discuss temperature compensated crystal oscillators (TCXOs) and the clipped sine waves they produce. We'll also cover some of their most common applications. [Read More](https://blog.bliley.com/clipped-sine-wave-oscillators-tcxos) 1 Comment [Click here to read/write comments](https://blog.bliley.com/clipped-sine-wave-oscillators-tcxos#comments-listing) Topics: [crystal oscillators](https://blog.bliley.com/topic/crystal-oscillators) ## [RF PCB Design Considerations: RF Circuit Board Layout Guidelines](https://blog.bliley.com/rf-pcb-design) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Oct 17, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/rf-pcb-design-considerations-rf-circuit-board-layout-guidelines.jpg?width=441&height=245&name=rf-pcb-design-considerations-rf-circuit-board-layout-guidelines.jpg)](https://blog.bliley.com/rf-pcb-design) Whether it’s a fancy new gaming PC, an HDTV, or a 5G phone, all of them make use of printed circuit boards (PCBs). A technological innovation dating back to the 1940s, the circuit board is part of what makes all modern electronics possible, and radio frequency (RF) products are no exception. Following best practices when designing a PCB is one the first steps to building an RF system that performs well. This article will offer some basic tips for good RF circuit board design and common mistakes that engineers should avoid. [Read More](https://blog.bliley.com/rf-pcb-design) 1 Comment [Click here to read/write comments](https://blog.bliley.com/rf-pcb-design#comments-listing) Topics: [RF Technology](https://blog.bliley.com/topic/rf-technology) ## [3 Questions to Ask Before Choosing a Crystal Oscillator Manufacturer](https://blog.bliley.com/questions-for-crystal-oscillator-manufacturers) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Oct 10, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/3-questions-to-ask-before-choosing-a-crystal-oscillator-manufacturer.jpg?width=441&height=245&name=3-questions-to-ask-before-choosing-a-crystal-oscillator-manufacturer.jpg)](https://blog.bliley.com/questions-for-crystal-oscillator-manufacturers) Engineering firms across all industries often have to work with many different suppliers to build their products. In the field of radio frequency technology, one of the most critical components in any design is the oscillator that generates the frequency. Using the wrong type of crystal oscillator or one that's of poor quality can ruin an otherwise excellent design. That’s why it’s so important to make sure you’re working with a reputable supplier. In this guide, we’ll cover the essential questions any RF engineer should ask their crystal oscillator manufacturer. [Read More](https://blog.bliley.com/questions-for-crystal-oscillator-manufacturers) 1 Comment [Click here to read/write comments](https://blog.bliley.com/questions-for-crystal-oscillator-manufacturers#comments-listing) Topics: [crystal oscillators](https://blog.bliley.com/topic/crystal-oscillators) ## [CMOS vs. LVCMOS: Which Is the Best Output Signal for Your Application?](https://blog.bliley.com/cmos-lvcmos-best-output-signal) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Sep 30, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/cmos-vs-lvcmos-which-is-the-best-output-signal-for-your-application.jpg?width=441&height=245&name=cmos-vs-lvcmos-which-is-the-best-output-signal-for-your-application.jpg)](https://blog.bliley.com/cmos-lvcmos-best-output-signal) One of the most important choices an RF engineer will make is deciding what kind of output signal is the best fit for the project they’re working on. There are many benefits to complementary metal-oxide-semiconductor (CMOS) outputs, but there are different variations on this technology. Some types are more appropriate for certain applications than others. In this blog, we’ll discuss the benefits of low-voltage CMOS (LVCMOS) outputs and how they differ from standard CMOS. [Read More](https://blog.bliley.com/cmos-lvcmos-best-output-signal) 5 Comments [Click here to read/write comments](https://blog.bliley.com/cmos-lvcmos-best-output-signal#comments-listing) Topics: [crystal oscillators](https://blog.bliley.com/topic/crystal-oscillators), [RF Technology](https://blog.bliley.com/topic/rf-technology) ## [CMOS Clocks: Common & Advanced Applications](https://blog.bliley.com/cmos-clock-applications) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Sep 27, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/cmos-clocks-common-and-advanced-applications.jpg?width=441&height=245&name=cmos-clocks-common-and-advanced-applications.jpg)](https://blog.bliley.com/cmos-clock-applications) Complementary metal-oxide-semiconductor (CMOS) clocks are a key technology that enables everything from laptops and smartphones to satellites and spacecraft. But what exactly do these devices do, and how are they beneficial in extreme environments and demanding applications? In this article, we'll 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. [Read More](https://blog.bliley.com/cmos-clock-applications) 0 Comments [Click here to read/write comments](https://blog.bliley.com/cmos-clock-applications#comments-listing) Topics: [crystal oscillators](https://blog.bliley.com/topic/crystal-oscillators), [Clocks & Crystals](https://blog.bliley.com/topic/clocks-crystals), [RF Technology](https://blog.bliley.com/topic/rf-technology) ## [The Beginner’s Guide to Understanding CMOS Clocks](https://blog.bliley.com/understanding-cmos-clocks) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Sep 26, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/the-beginners-guide-to-understanding-cmos-clocks.jpg?width=441&height=245&name=the-beginners-guide-to-understanding-cmos-clocks.jpg)](https://blog.bliley.com/understanding-cmos-clocks) There are so many different devices and products for frequency generation and timing, and with 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. In this article, we’re going to help clear up some of the confusion around CMOS clocks. We’ll cover what these devices are, why they're important, and how to know if they're the best fit for your application. [Read More](https://blog.bliley.com/understanding-cmos-clocks) 0 Comments [Click here to read/write comments](https://blog.bliley.com/understanding-cmos-clocks#comments-listing) Topics: [Clocks & Crystals](https://blog.bliley.com/topic/clocks-crystals), [RF Technology](https://blog.bliley.com/topic/rf-technology) ## [Breaking Down the RF Frequency Spectrum: Which Bandwidth Is Best for Your Application?](https://blog.bliley.com/rf-spectrum-bandwidth) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Sep 18, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/breaking-down-the-rf-frequency-spectrum-which-bandwidth-is-best-for-your-application.jpg?width=441&height=245&name=breaking-down-the-rf-frequency-spectrum-which-bandwidth-is-best-for-your-application.jpg)](https://blog.bliley.com/rf-spectrum-bandwidth) Harnessing the electromagnetic spectrum was one of the greatest technological leaps in human history. So many luxuries and necessities, products, services, and systems we take for granted are all in some way linked to electromagnetic technologies that make use of the radio frequency (RF) spectrum. But as anyone who works in the RF industry knows, the first order of business when designing a new product or system is to determine what frequency band of RF spectrum is the best fit for the application. That’s why we’ve taken the time to put together this guide that explains which applications each RF bandwidth range is best suited for, and which is the best fit for your project. [Read More](https://blog.bliley.com/rf-spectrum-bandwidth) 1 Comment [Click here to read/write comments](https://blog.bliley.com/rf-spectrum-bandwidth#comments-listing) Topics: [RF Technology](https://blog.bliley.com/topic/rf-technology) ## [How TCXOs Improve Oscillator Stability & Aging with Low Power Consumption](https://blog.bliley.com/tcxo-stabilty-and-aging) Posted by [Bliley Technologies](https://blog.bliley.com/author/bliley-technologies) on Sep 3, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/how-tcxos-improve-oscillator-stability-and-aging-with-low-power-consumption.jpg?width=441&height=245&name=how-tcxos-improve-oscillator-stability-and-aging-with-low-power-consumption.jpg)](https://blog.bliley.com/tcxo-stabilty-and-aging) RF engineers are always trying to improve the performance of the systems they work on, but a perfect, 100% stable signal that never deviates from the intended frequency will probably never be attainable. The toll that the physical environment and time will take on a crystal remains a fact of life. But that doesn’t stop us from always working towards getting as close to possible to that ideal. The effects of the physical environment and time can both be mitigated by selecting a [high-quality quartz crystal oscillator](https://www.bliley.com/low-phase-noise-products/oscillators/). Picking the right one for the job depends on the application and other factors, like the amount of power available. In this article, we will make the case that for those who are trying to minimize the effects of aging and improve stability without using a lot of power, a temperature compensated crystal oscillator (TCXO) might be the right solution. [Read More](https://blog.bliley.com/tcxo-stabilty-and-aging) 0 Comments [Click here to read/write comments](https://blog.bliley.com/tcxo-stabilty-and-aging#comments-listing) Topics: [crystal oscillators](https://blog.bliley.com/topic/crystal-oscillators) ## [Temperature Compensated Crystal Oscillators (TCXOs): Performance & Common Types](https://blog.bliley.com/tcxo-performance-and-common-types) Posted by [Rob Rutkowski](https://blog.bliley.com/author/rob-rutkowski) on Aug 27, 2024 9:00:00 AM - [Tweet](https://twitter.com/share) [![](https://blog.bliley.com/hs-fs/hubfs/temperature-compensated-crystal-oscillators-TCXOs-%20%20performance-and-common-types.jpg?width=441&height=245&name=temperature-compensated-crystal-oscillators-TCXOs-%20%20performance-and-common-types.jpg)](https://blog.bliley.com/tcxo-performance-and-common-types) Temperature compensated crystal oscillators (TCXOs) are widely used in applications where accurate frequency sources are needed. Because they're less expensive and smaller than oven controlled crystal oscillators (OCXOs), they offer an ideal solution for many portable units that require a reasonably accurate source. In this blog, we'll review several performance qualities of TCXOs, as well as four common types.  [Read More](https://blog.bliley.com/tcxo-performance-and-common-types) 0 Comments [Click here to read/write comments](https://blog.bliley.com/tcxo-performance-and-common-types#comments-listing) Topics: [crystal oscillators](https://blog.bliley.com/topic/crystal-oscillators) [All posts](https://blog.bliley.com/all) [next >](https://blog.bliley.com/page/2) Search for a Topic Search [![GPSDO Oscillator Infrastructure Ebook.png](https://blog.bliley.com/hs-fs/hubfs/Blog/GPSDO%20Oscillator%20Infrastructure%20Ebook.png?width=240&height=272&name=GPSDO%20Oscillator%20Infrastructure%20Ebook.png "GPSDO Oscillator Infrastructure Ebook.png")](https://resources.bliley.com/gpsdo-oscillator-white-paper-gps) ### Subscribe... get an eBook! ### Categories - [crystal oscillators (68)](https://blog.bliley.com/topic/crystal-oscillators) - [RF Technology (63)](https://blog.bliley.com/topic/rf-technology) - [Space & Satellites (43)](https://blog.bliley.com/topic/space-satellites) - [engineering (38)](https://blog.bliley.com/topic/engineering) - [general (38)](https://blog.bliley.com/topic/general) - [Defense & PNT (26)](https://blog.bliley.com/topic/defense-pnt) - [General Topics (26)](https://blog.bliley.com/topic/general-topics) - [Press Release (22)](https://blog.bliley.com/topic/press-release) - [Clocks & Crystals (20)](https://blog.bliley.com/topic/clocks-crystals) - [Military & Defense (17)](https://blog.bliley.com/topic/military-defense) - [aerospace (17)](https://blog.bliley.com/topic/aerospace) - [Leadership (16)](https://blog.bliley.com/topic/leadership) - [Integrated RF (14)](https://blog.bliley.com/topic/integrated-rf) - [GPS & GNSS (9)](https://blog.bliley.com/topic/gps-gnss) - [Engineering Equiptment (7)](https://blog.bliley.com/topic/engineering-equiptment) - [5G (6)](https://blog.bliley.com/topic/5g) - [IoT (6)](https://blog.bliley.com/topic/iot) - [Filters & Multiplexers (1)](https://blog.bliley.com/topic/filters-multiplexers) See all ### See What's Popular ### Most Recent [Creepy Radio Frequencies: The Scariest Sounds in Space](https://blog.bliley.com/creepy-sounds-from-space) posted on 8/30/21 6:30 AM ![creepy radio frequencies: the scariest sounds in space](https://blog.bliley.com/hs-fs/hubfs/creepy-radio-frequencies-the-scariest-sounds-in-space.jpg?width=100&height=50&name=creepy-radio-frequencies-the-scariest-sounds-in-space.jpg) [Clipped Sine Wave Oscillators: TCXOs & Their Common Applications](https://blog.bliley.com/clipped-sine-wave-oscillators-tcxos) posted on 8/30/21 6:30 AM ![clipped sine wave oscillators tcxos and their common applications](https://blog.bliley.com/hs-fs/hubfs/clipped-sine-wave-oscillators-tcxos-and-their-common-applications.jpg?width=100&height=50&name=clipped-sine-wave-oscillators-tcxos-and-their-common-applications.jpg) [RF PCB Design Considerations: RF Circuit Board Layout Guidelines](https://blog.bliley.com/rf-pcb-design) posted on 8/30/21 6:30 AM ![rf pcb design considerations rf circuit board layout guidelines](https://blog.bliley.com/hs-fs/hubfs/rf-pcb-design-considerations-rf-circuit-board-layout-guidelines.jpg?width=100&height=50&name=rf-pcb-design-considerations-rf-circuit-board-layout-guidelines.jpg) [3 Questions to Ask Before Choosing a Crystal Oscillator Manufacturer](https://blog.bliley.com/questions-for-crystal-oscillator-manufacturers) posted on 8/30/21 6:30 AM ![3 questions to ask before choosing a crystal oscillator manufacturer](https://blog.bliley.com/hs-fs/hubfs/3-questions-to-ask-before-choosing-a-crystal-oscillator-manufacturer.jpg?width=100&height=50&name=3-questions-to-ask-before-choosing-a-crystal-oscillator-manufacturer.jpg) [CMOS vs. LVCMOS: Which Is the Best Output Signal for Your Application?](https://blog.bliley.com/cmos-lvcmos-best-output-signal) posted on 8/30/21 6:30 AM ![cmos vs lvcmos which is the best output signal for your application](https://blog.bliley.com/hs-fs/hubfs/cmos-vs-lvcmos-which-is-the-best-output-signal-for-your-application.jpg?width=100&height=50&name=cmos-vs-lvcmos-which-is-the-best-output-signal-for-your-application.jpg) ##### Disclosure: This blog contains product affiliate links to help support the blog. 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