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Just Released - Golledge Newsletter - October 2020

21/10/2020


Our October newsletter features competitive product highlights and our expert tips on how to manage lead times and help COVID-proof your supply chain as the second spike of coronavirus develops.

Golledge are pleased to announce two low voltage updates to our GXO-L71 family of oscillators

21/01/2022


Introducing two new additions to our GXO-L71 family of oscillators: the new 2.5 V GXO-L71J, and 1.8V GXO-L71G. These new oscillators feature the superb phase jitter performance and LVDS output that makes the GXO-L71 family the ideal choice for high speed data transfer applications. Find out more here.

Oscillators: An Overview of Their Role in Electronic Circuits

08/06/2023


Crystal oscillators are electronic circuits designed to generate an electrical signal of a precise frequency. This frequency is determined by the physical characteristics of a quartz crystal, which serves as the oscillator's resonant element. This guide will look to further explain the basics of oscillators, the magic they spin in generating frequencies, and the critical role they play in electronic circuits.

Exploring Frequency Control Products for Automotive Applications

10/10/2023


Discover Golledge's range of precision frequency control products tailored for automotive applications. Ensuring reliability and performance for the modern vehicle.

Exploring the Applications of Temperature-Compensated Crystal Oscillators (TCXOs)

11/10/2023


Explore the significance of TCXOs in modern electronics. Delve into the applications of Temperature-Compensated Crystal Oscillators and their role in ensuring precision.

Understanding Frequency Tolerance and Stability in Quartz Crystals and Oscillators

26/10/2023


You know that handy smartphone in your pocket, the clock that tells the time, and the GPS guiding you to your destination? They all have one thing in common. The use of quartz crystals and oscillators. While these parts may sound complicated, they play an integral and role in our modern world of technology. In this article, we're going to examine both quartz crystals and oscillators further to find out exactly how they work and their growing importance in our society. We’ll also dive into the crucial concepts of frequency tolerance, stability, and how they shape the gadgets we can't seem to live without these days.

Enhancing System Performance with Temperature-Compensated Crystal Oscillators (TCXOs)

12/01/2024


In the realm of advanced frequency control, the significance of Temperature-Compensated Crystal Oscillators (TCXOs) is a well-known secret among those well-versed in the domain. These precision components stand as silent champions, significantly elevating system performance.

Frequency Control Products in Industrial Automation and Control Systems

08/02/2024


In the symphony of precision that defines industrial automation and control systems, the role of frequency control is unparalleled. As industries embark on the era of smart manufacturing and seamless control, the heartbeat of this technological dance lies in the precise orchestration of frequencies.

Shrinking the Quartz Crystal Resonator

A Golledge white paper by Chief Engineer Chris Watts

02/10/2015


Chris Watts, our specialist analogue engineer, explains the development of the quartz crystal resonator following the ongoing trend for ultra-miniaturization, and design implications of these changes.

HCD220

OCXO Sine Output


The HCD220 chassis mounted oven controlled oscillator, available from 5.0 ~ 16MHz, features dual RF outputs and mechanical frequency trimming with fine frequency adjustment. Available with a range of excellent temperature stability options including as good as ±1ppb, and also in a range of supply voltages from 12~30V.

  • 5.0 ~ 16.0MHz
  • ±1ppb Temperature stability
  • Dual RF output available
  • Oven alarm option
VIEW PRODUCT

RV-8803-C7

RTC I2C bus High Accuracy


A highly accurate RTC module with I2C bus interface providing timing accuracy of ±3ppm (or ±1.81 seconds per day), the RV-8803-C7 is also the world's smallest RTC module, with a package footprint of only 3.5 x 1.5mm. In addition to providing excellent frequency stability this real time clock module is also one of the lowest power temperature compensated RTC modules with back up power requirement of only 240nA with automotive grade options available. This product was previously named RV8803C7.

  • 1.0Hz ~ 32.768kHz
  • Temperature compensated over -40 +105°C
  • Low Power
  • I2C-Bus
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GVXO-331G

1.8V Surface Mount VCXO


The GVXO-331G is now obsolete. For more information on this change please see our Product Change Notice PCN210429 06136 here, or speak to a member of our expert team by calling +44 1460 256 100. For new and existing designs we recommend considering the GVXO-338G

  • 1.50 ~ 64.440MHz
  • Low current consumption of 3mA max
  • Miniature 3.2 x 2.5mm package
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SCOCXO

12V CMOS Output Tight Stability OCXO


The SCOCXO oven controlled oscillator with CMOS output features robust DIL 14 package and is available with supply voltage 12.0V at frequencies from 10.0kHz ~ 54.0MHz.

  • 10.0kHz ~ 54.0MHz
  • Ultra high stability options
  • Compact 14-pin DIL package (SMD optional)
  • 12.0V supply voltage
VIEW PRODUCT

GXO-3306G

3225 Package Ultra-Low Jitter 1.8V Oscillator


Featuring ultra-low phase jitter of just 0.04ps typical, the GXO-3306G also has miniature 3.2 x 2.5mm package, requires 1.8V supply voltage, and features superbly low phase noise characteristics.

  • 20.0 ~ 50.0MHz
  • Excellent phase noise & jitter characteristics
  • Enable / disable tristate function
VIEW PRODUCT

GXO-7506G

7550 Package Ultra-Low Jitter 1.8V Oscillator


Featuring ultra-low phase jitter of just 0.04ps typical, the GXO-7506G also has surface mount 7.5 x 5.0mm package, requires 1.8V supply voltage, and features superbly low phase noise characteristics.

  • 12.0 ~ 50.0MHz
  • Excellent jitter & phase noise characteristics
  • Enable / disable tristate function
VIEW PRODUCT

GXO-7506L

7550 Package Ultra-Low Jitter 3.3V Oscillator


Featuring ultra-low phase jitter of just 0.04ps typical, the GXO-7506L also has surface mount 7.5 x 5.0mm package, requires 3.3V supply voltage, and features superbly low phase noise characteristics.

  • 12.0 ~ 50.0MHz
  • Excellent jitter & phase noise characteristics
  • Enable / disable tristate function
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GVXO-32L

High Frequency 3.3V VCXO in telecoms package style


The GVXO-32L voltage controlled oscillator with 3.3V supply voltage and CMOS compatible output, comes encased within a popular telecoms surface mount package. Available at high frequencies from 52.0-160MHz, this component also features wide frequency pullability, driving ability of 15pF CMOS, and custom frequency stability options are available.

  • 52.0 ~ 160MHz
  • Excellent low jitter performance
  • Fast start up time (10ms max)
  • CMOS compatible output
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GSX-211

Ultra-miniature 1.6x1.2mm SM Crystal


One of our smallest crystals, the GSX-211 features an ultra-miniature 1.6x1.2mm package, perfect for space-dependent applications such as bluetooth, wearables and asset tracking. Discover more here, or if you need AEC-Q200 qualification check out our specialist GRX-210 here.

  • 24.0 ~ 54.0MHz
  • Ultra-miniature for maximum space saving
  • Ideal for space-dependent applications
  • Metal lid grounded to minimise EMI
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GSX-228

High Frequency Fundamental Mode Ultra-Miniature SM Crystal


Achieve fundamental mode frequencies of up to 315MHz in an ultra-miniature package with our GSX-228. Available in custom frequncies on short lead times, this crystal also features a ceramic body with gold plated pads for excellent longevity, and is available in a range of temperature stabilities, circuit conditions and operature temperature ranges, all customisable to your needs.

  • 20.0 ~ 315MHz
  • Fundamental mode up to 315MHz
  • Plasma etched inverted mesa process
  • Wide pulling range (fundamental mode)
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GMCF-45 45G20B3

45MHz 4 pole crystal filter with 20.0kHz 3dB bandwidth


The GMCF-45 45G20B3 4 pole crystal filter from Golledge with centre frequency of 45MHz features a 20kHz 3dB bandwidth and is available in multiple packages, including both UM-1 and UM-5 style leaded packages and UM-1J and UM-5J surface mount packages. This filter also features insertion loss of just 3.0dB dB. Find full specifications here.

  • 45.0MHz
  • Custom specifications available
  • Fundamental or 3rd overtone modes
  • Comprehensive stocks
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GVXO-25

5V High Performance VCXO


The GVXO-25 is no longer recommended for new designs, instead please consider the GVXO-41F for a more cost-effective solution for standard applications. The GVXO-25 does provide low phase noise characteristics, in addition to frequency pullability of ±200ppm. The GVXO-25 comes in a 14 pin DIL (full size) package, and has CMOS/TTL compatible output.

  • 1.0 ~ 52.0MHz
  • Wide frequency pullability of ±200ppm 
  • Low phase noise 
  • 14 pin DIL package
VIEW PRODUCT

GVXO-331K

2.8V surface mount VCXO with low current consumption


The GVXO-331K is now obsolete. For more information on this change please see our Product Change Notice PCN210429 06136 here, or speak to a member of our expert team by calling +44 1460 256 100. For new and existing designs we recommend considering the GVXO-338K

  • 1.50 ~ 64.440MHz
  • Low current consumption of 9mA maximum.
  • CMOS output
  • Miniature surface mount package
VIEW PRODUCT

GVXO-331L

3.3V surface mount VCXO with low current consumption


The GVXO-331L is now obsolete. For more information on this change please see our Product Change Notice PCN210429 06136 here, or speak to a member of our expert team by calling +44 1460 256 100. For new and existing designs we recommend considering the GVXO-338L

 

  • 1.50 ~ 64.440MHz
  • Low current consumption - 13mA maximum.
  • Miniature surface mount package
  • Competitive pricing
VIEW PRODUCT

GVXO-36

5V VCXO - High Frequency


With integral fundamental mode crystal, and available up to 80.0MHz, the GVXO-36 provides a low jitter output even at high frequencies. Encased within a sturdy surface mount package, this component features 15pF CMOS driving ability and high frequency CMOS output.

  • 12.0 ~ 80.0MHz
  • Fundamental mode crystal up to 50.0MHz
  • Fast start up time
  • Optional industrial operating temperature range
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