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Crystal Parameters Glossary and Specification Guide

Find an explanation of all major crystal component parameters here


Read our primer on crystal component parameters here, including explanations of all main crystal component terms and a guide to our specifications notation.

IC and Chipset Approvals and Compatibility

Explore our range of frequency components for ICs, SoCs and Chipsets


As a foremost global supplier of frequency control components Golledge have many chipset and IC approvals and proven capabilities. You can find a selection of example of compatible frequency products here for chipsets, ICs and SoCs from suppliers ranging from Atmel through to Xilinx.

The UM-1 Formal NXP Semiconductor Approval

16/09/2014


We are pleased to announce Golledge Part MS06478 44.5450 MHz UM-1 has received formal approval from NXP Semiconductors for use with the SA605/SA615 High performance low power mixer FM IF system.

Golledge Electronics Gains Formal CSR Approval

15/09/2014


We are proud to announce Golledge has formal approval from Cambridge Silicon Radio for the supply of quartz crystals matched with the CSR1010, CSR1011 and CSR1012 µEnergy Bluetooth chips. CSR document CS-317756-AN dated August 2014 details the approval.

Golledge Electronics will be exhibiting at Electronica 2014 - come and see us there!

01/08/2014


We excited to be exhibiting at the premier global electronics exhibition: Electronic in Munich! The Golledge team will be presenting our latest solutions and demonstrating favourite products at stand 150 in hall A4.

GRX-330 | Our Brand New Automotive AEC-Q200 Qualified SM Crystal

19/05/2014


Introducing the brand new GRX-330, an automotive-focused surface mount crystal with AEC-Q200 qualified as standard, and a mechanically robust 3225 format package.

GTXO-92 | End of Life Warning

21/02/2014


As part of our continuous improvement process we will be withdrawing the GTXO-92 from production. The GTXO-92 is now no longer recommended for new designs.

GTXO-91 | The new 3225 form factor (VC)TCXO

21/02/2014


Capable of operating over a wide, internally regulated, supply voltage range, the GTXO-91 features superb stability options, as tight as ±0.5ppm.

GVXO-533 | Introducing the new 5030 VXCO from Golledge

07/02/2014


We are proud to announce the launch of our brand new GVXO-533, which features inverted mesa technology in order to provide an exceptionally wide available frequency range of 1.0~125MHz.

GTXO-14, GTXO-C14 and GTXO-S14 - A triple bill of top specification TCXOs

06/06/2016


Excellent frequency stability options, low phase noise and available up to 100MHz, our new TCXOs also offer a range of output signals including clipped sine, CMOS and true sinewave.

Mil-COTS Frequency Components for Defence and Aerospace

28/06/2016


Showcasing the three tiers of frequency product qualification for the defence and aerospace industries, this article explores how buyers can save budget through tactical Mil-COTS component purchasing.

Introducing the GSX-315 - a Golledge Key Product

11/07/2015


Introducing the GSX-315 - offering the best combination of size and value of any Golledge 32.768KHz part, and AEC-Q200 automotive qualified as standard, GSX-315 helps you make the very most of your creative space.

Introducing the new SCOCXOL Oven Controlled Oscillator

17/07/2015


Available in 3.3V and 5.0V CMOS outputs, the SCOCXOL has been designed in response to industry demand for an OCXO that not only has low current consumption but also warms up and reaches specification fast.

What to consider when using smaller and smaller quartz crystals

02/10/2015


With the industry drive towards smaller crystals Golledge's Chief Engineer, Chris Watts, takes an in-depth look at the effects of shrinking the crystal, including reduced motional capacitance, reduced trim sensitivity, increased motional resistance and an increase in the minimum usable frequency.

The AEC-Q200 Standard, what does it really mean?

01/11/2023


A look under the hood of AEC-Q200 qualification and 5 tips for specifying automotive qualified RF parts that will save your budget.

Golledge Electronics are exhibiting at IoT Design conference on 3rd of December at The Brewery in London

25/11/2015


Golledge are proud to be exhibiting at the IoT Design conference taking place at the Brewery in London on the 3rd of December. The first of its kind, IoT Design has been created by Electronics Weekly as a gathering of design industry experts to focus on the challenges of designing for the internet of things.

Introducing the CADSoft Eagle Golledge Part Library

21/01/2016


The full list of Golledge recommended parts is now available to download as a CADSoft Eagle library package.

GRX-315 - The Perfect Watch Crystal for Automotive Applications

24/03/2016


Golledge are proud to announce the launch of the GRX-315 watch crystal. Fully AEC-Q200 qualified as standard, and contained within a small 3.2 x 1.5 package, it's one of our lowest cost products and a great addition to our automotive GRX range.

Product Change Notice - GTXO-93

29/03/2016


Announcing an IC update. Retaining form, fit, and function compatibility this update prolongs the longevity of this popular product.

CM7V04 - The ideal low-profile crystal for multi-layer board applications

18/04/2016


Introducing Golledge's new, ultra-low-profile miniature watch crystal, the CM7V04. With a reduced the package height of only 0.38mm, the CM7V04 maintains great performance and also allows for multi-layer boards, great for height-sensitive applications.

Introducing Golledge's official distributor in India - V5 Semiconductors

09/05/2016


Golledge are proud to announce our partnership with V5 Semiconductors as an official distributor of Golledge frequency products for India.

Just Released - Golledge Newsletter - May 16 Edition

18/05/2016


Featuring 3.2 x 2.5mm package savings, tips for specifying automotive components, and a sneak-peek at our new inverted-MESA range of high frequency oscillators, the May 16 edition of our newsletter is available here. Not yet signed up to receive our news? You can sign up to our newsletter here. Click subscribe at the page to get the latest product updates and cost saving tips straight to your inbox.

Just Released - Golledge Newsletter- July 16 Edition

06/07/2016


Featuring our brand new range of high frequency inverted mesa crystals, a summary of our components for audio applications and the launch of our latest Stratum 3 TCXO, the GTXO-14, the July 16 edition of our newsletter is available here. Not yet signed up to receive our news? You can sign up to our newsletter here. Click subscribe to get the latest product updates and cost saving tips straight to your inbox.

Golledge Electronics Autumn Events - Electronica, Electronics Design Show and ARMMS RF and Microwave Conference

14/09/2016


Looking for a worthwhile autumn conference? The Golledge team are proud to be exhibiting at Electronica 2016, the Electronics Design Show and ARMMS November 2016. If you're attending we'd love to meet you there.

Just Released - Golledge Newsletter- September 2016

15/09/2016


Featuring our up-coming events including Electronica 2016, Electronics Design Show and ARMMS RF and Microwave conference, along with the hottest frequency products of the summer and our latest offers in this months newsletter.

Just Released - Golledge Newsletter- November 2016

30/11/2016


A huge thank you to all of our colleagues and customers that met us at one of our Autumn events! This month's newsletter is a roundup of the most popular products at these shows including the GSX-338 high frequency fundamental crystal, GXO-7506 ultra-low jitter oscillator and the GRX range of automotive components.

Just Released - Golledge Newsletter- December 2016

19/12/2016


A Very Merry Christmas and a Happy New Year from all the Golledge Team! Thank you all for being our loyal customers throughout 2016, we wish you a happy and healthy festive period and a prosperous new year! See our Christmas shut down dates and an update on the HCD OCXO range...

An update to the Golledge Electronics collection of component libraries for EDA

06/02/2017


Following the success of our AutoDesk (CADSoft) Eagle part library, Golledge are introducing two new part libraries and an update to our original library to help achieve our mission of providing for every detail of a company's frequency product needs, from development to delivery.

Just Released - Golledge Newsletter- February 2017

28/02/2017


Don't feel flat this pancake day! Check out our February 2017 newsletter featuring the launch of the GXO-7506 our lowest jitter oscillator, tips for re-designing to RED 2014/53/EU and frequency product recommendations for narrow band internet of things (NB-IoT) applications.

Just Released - Golledge Newsletter - April 2017

28/04/2017


Featuring our latest product releases, including our brand new range of high precision, high frequency oscillators available up to 160MHz, and product recommendations for our Spring industry focus - asset tracking.

Just Released - Golledge Newsletter- July 2017

04/07/2017


Check out our latest new design-focused product presentation, along with recommendations for wearable applications and our latest magazine takeover.

Golledge will be attending the Electronics Design Show on the 18th and 19th of October - Come and meet us!

05/10/2017


The Golledge team will be attending EDS again this year and if you'd like to meet us there we'd love to hear from you. Read more about the Golledge team who will be attending and contact us to arrange a meeting here.

Just Released - Golledge Newsletter- October 2017

08/11/2017


Containing our latest event announcements, including our upcoming attendance of Electronics Design Show 2017 and announcing a massive increase to our SAW filter range, check out our October newsletter here and keep up to date with all our team's latest news.

Just Released - Golledge Newsletter- December 2017

11/12/2017


A very Merry Christmas and a Happy New Year from the whole Golledge team. It's been a pleasure working with you all in what has been a very productive 2017. We wish all our customers a happy and healthy start to 2018. You can find our festive shut down dates here, along with a reminder of some of the highlights of our year, and a preview of what's coming up in 2018…

Golledge will be attending Embedded World on the 27th and 28th of February 2018 - Come and meet us there!

01/02/2018


In spring 2018 Golledge will be attending Embedded World 2018, the world's largest conference focused on embedded systems. Find out more about the team that will be attending here.

Just Released - Golledge Newsletter- March 2018

21/03/2018


Welcome to our new website! Our March newsletter details the launch of our site and explains some of the new features we've built into it following your suggestions. You can read the March edition here.

Just Released - Golledge Newsletter- February 2018

26/02/2018


We're proud this February the Golledge team will be heading to Embedded World 2018, we've been awarded a design win with Nordic Semiconductor, and we've updated our SAW filter range yet again. Find all the details in our February newsletter here.

We are proud to announce three Golledge crystals have been approved for use with the new Nordic Semiconductor nRF52840

10/04/2018


MP06003, MP07668, and MP05346 have been awarded a design win by Nordic Semiconductor. Find more information on this announcement here.

Golledge Electronics Autumn Events - Electronica and Electronics Design Show 2018

01/10/2018


Looking to meet the team at an event this Autumn? The Golledge team are proud to be exhibiting at Electronica 2018, and the Electronics Design Show 2018. If you're attending we'd love to meet you there!

Introducing a new 32.768kHz TCXO and an ultra-low power RTC

15/11/2018


We're excited to announce the introduction of an ultra-low power RTC, the RV3028C7 with current consumption of just 40nA, in addition to the launch of the GTXO-94 our brand new temperature compensated oscillator providing excellent stability at 32.768kHz. Find out more information here today.

Golledge have been awarded the Payroll Giving Diamond Award 2018

16/11/2018


We're exceptionally pleased to announce that thanks to the level of regular charitable donations made by our employees we've been awarded the diamond payroll giving award! Find out more here.

Just Released - Golledge Newsletter- June 2018

14/06/2018


This June we're proud to announce the launch of three new 32.768kHz oscillators, including an update to our harsh environments range. Check out our latest product updates in our June 2018 newsletter here.

Just Released - Golledge Newsletter - October 2018

31/10/2018


We're proud to announce that our shipments are now climate neutral thanks to our partnership with DHL, our preferred carrier. You can find out more information about this change in our October newsletter, in addition to the launch of our brand new 32.768kHz temperature compensated oscillator, the GTXO-94, as well as more information about our team who will be attending Electronica 2018!

Introducing an ultra-miniature TCXO: the GTXO-163

26/11/2018


Coming soon we have the GTXO-163 ultra-miniature temperature compensated oscillator. Available from Q1 2019, this temperature compensated oscillator is ultra-miniature with a footprint of just 1.6 x 1.2mm, making it suitable for the most size-sensitive of applications. Find more information here.

Annual Round Up - 2018 has been an exciting year!

28/11/2018


2018 has been an exciting year for us at Golledge, you can read a summary of our year here including our product introductions, service updates and charitable giving.

Just Released - Golledge Newsletter - December 2018

05/12/2018


We wish you all a very merry holiday season! Check out our December newsletter for all our latest updates, including our Christmas shut down dates, newly released real time clock module RV3028C7, upcoming ultra-miniature TCXO the GTXO-163, and our Diamond Payroll Giving Award!

Introducing Two New Miniature TCXOs with EN50155 Compliance, the GTXO-251T and GTXO-251V

21/06/2019


We're proud to announce the launch of the new GTXO-251T and GTXO-251V which are available with EN50155:2017 compliance for use in railway rolling stock applications. The GTXO-251V also features wide voltage control for AIS applications. Discover more here.

Golledge Electronics are proud to announce the launch of new ultra-miniature (VC)TCXOs the GTXO-163T and GTXO-163V

08/05/2019


Introducing the GTXO-163T TCXO and GTXO-163V VCTCXO (with voltage control). The two new temperature compensated oscillators are ideal for applications requiring an ultra-miniature footprint TCXO with stability as tight as ±0.5ppm over wide temperature range of -40 to +85°C. Find out more about here.

Just Released - Golledge Newsletter - June 2019

13/06/2019


Our June newsletter includes where you can find our new chipset and IC compatibility recommendations, and introduces the GTXO-163T and GTXO-163V, two brand new TCXOs with ultra-miniature footprint of just 1.2 x 1.6mm, and the RV-8063-C7 an ultra-low power real time clock module consuming just 190nA typical in time keeping mode. Find out more here.

Golledge Electronics have been awarded the Diamond Payroll Giving Award 2019

24/06/2019


Thanks to the level of regular charitable donations made by our employees we've been awarded the diamond payroll giving award by the Charities Aid Foundation for the second year running! Find out more about the 2019 award and our charitable activities here.