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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
VIEW PRODUCT

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
VIEW PRODUCT

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
VIEW PRODUCT

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
VIEW PRODUCT

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
VIEW PRODUCT

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)
VIEW PRODUCT

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
VIEW PRODUCT

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
VIEW PRODUCT

GVXO-37N

VCXO - Complementary ECL, VHF Range, Negative Supply


The Golledge GVXO-37N voltage controlled oscillator is perfect for projects that require very high frequencies (up to 170MHz) with negative supply. Available over a wide frequency range of 12.0 to 170MHz, the GVXO-37N produces complementary ECL output and allows wide frequency pullability of ±100ppm, with other options available. 

  • 12.0 ~ 170MHz
  • 5V negative supply
  • Complementary ECL output
  • Fast rise / fall time
VIEW PRODUCT
20.6 x 14.0 x 5.0mm

GVXO-37P

VCXO - Complementary PECL VHF Range - Positive Supply


The GVXO-37P voltage controlled oscillator features fast start up and fast rise / fall times, with inbuilt enable / disable tristate functionality. Available from 12.0~170MHz, this VCXO with positive 5.0V supply voltage is also optionally available with a range of frequency pullability and frequency stability characteristics. 

  • 12.0 ~ 170MHz
  • Complementary PECL output
  • Inbuilt enable / disable tristate functionality
  • Fast start up time of 10ms maximum
VIEW PRODUCT
20.6 x 14.0 x 7.0mm

GVXO-38P

VCXO - Complementary PECL output at ultra high frequencies


The Golledge GVXO-38P voltage controlled oscillator with +5V positive supply, uses a high reference frequency to produce UHF complementary PECL output. Available in ultra high frequencies of 600 ~ 700MHz, this VCXO also features excellent frequency stability and pullability options.

  • 600 ~ 700MHz
  • Complementary PECL output
  • Fast rise / fall times
  • Positive +5V supply voltage
VIEW PRODUCT

GVXO-44F

3.3V VCXO - High Frequency, DIL-14 Package


Offering high frequency output of up to 125MHz in a DIL-14 Package, the GVXO-44F voltage controlled oscillator also features a wide range of possible frequency stability and pullability options. The GVXO-44F has 3.3V supply voltage requirement and has driving ability of 30pF CMOS. 

  • 33.0 ~ 125MHz
  • DIL-14 package
  • 3.3V supply voltage
  • Industrial operating temperature range available
VIEW PRODUCT

GVXO-52

Ultra high frequency VCXO with complementary LVDS outputs


The GVXO-52 is now obsolete and was scheduled for last time buy orders 29th August 2020. For more information on this change please see our Product Change Notice PCN200504 05838 here, or speak to a member of our expert team by calling +44 1460 256 100. For new designs please consider the GVXO-L33L here.

  • 12.0 ~ 800MHz
  • Complementary LVDS outputs
  • Fast rise / fall times
  • Wide frequency pullability of up to ±150ppm
VIEW PRODUCT

GVXO-523

3.3V SM VCXO - 5.0x3.2mm 4-pad package


The GVXO-523 voltage controlled oscillator, with 5.0 x 3.2mm miniature surface mount package and industry-standard 4-pad configuration, features excellent low jitter characteristics and fast start up time. 

  • 1.50 ~ 61.440MHz
  • 3.3V supply voltage requirement
  • 4-pad industry-standard package
VIEW PRODUCT

GVXO-53F

3.3V High Frequency VCXO


The GVXO-53F offers excellent performance at high frequencies thanks to mesa technology. This 6 pad VCXO is available up to 125MHz with a choice of pullability and stability options, and is available with industrial operating temperature range of -40 to +85°C.

  • 1.0MHz ~ 125MHz
  • High frequency mesa technology
  • Miniature SM package
  • Enable / disable tristate functionality
VIEW PRODUCT

GVXO-55F

5V VCXO with high frequency fundamental mode crystal


The GVXO-55F provides a voltage controlled oscillator built around a high frequency fundamental mode crystal, available up to 78MHz. With 5.0V supply voltage, voltage control provides better than 10% linearity over the voltage range +2.5 ±2.0V. Industrial operating temperature range is also available making this VCXO suitable for a range of applications.

  • 1.0MHz ~ 78.0MHz
  • Choice of pullability and stability options
  • Enable / disable tristate function
  • Miniature SM package
VIEW PRODUCT

GVXO-753D

3.3V 4-pad Cost Effective VCXO


The GVXO-753 provides a highly cost effective 3.3V VCXO solution. This 4-pad voltage controlled oscillator offers a range of frequency pullability and frequency stability options and is available with industrial operating temperature range of -40 to +85°C. 

  • 1.5MHz ~ 54.0MHz
  • Low cost for volume applications
  • Choice of stability and pullability options
VIEW PRODUCT

VCXO2EV

CMOS VCXO for Harsh Environments


The VCXO2EV is the ideal voltage controlled oscillator solution for harsh environments. Available with good pulling range over multiple operating temperature range options, including the extreme temperature range of -10 to +210°C, the VCXO2EV also features fast start up and good shock and vibration resistance up to 10,000g.

  • 5.0MHz ~ 40.0MHz
  • Suitable for Avionics, Down-hole, Geothermal etc
  • Extreme temperature ranges up to 210°C
  • High stability & low ageing under extremes
VIEW PRODUCT

VCXO2HV

High Frequency VCXO with Military Temperature Range


The VCXO2HV voltage controlled oscillator is available at frequencies up to 130MHz and with military operating temperature range of -55 to +125°C. This VCXO features a fundamental mode crystal for low phase noise performance.

  • 40.0 ~ 130MHz
  • Military temperature range -55+125°C
  • Low noise - fundamental crystal
  • Optional tinned pads (Ag/Cu/Zn)
VIEW PRODUCT

CM7V-T1A

SM 32.768kHz Watch Crystal with Military Temperature Range


The CM7V-T1A surface mount watch crystal offers high shock and vibration resistance within a miniature ceramic package with metal lid. Optional automotive and military operating temperature ranges means this 32.768kHz crystal is available for a wide range of applications. Low ESR option also available.

  • 32.768kHz
  • Miniature ceramic package with metal lid
  • High shock & vibration resistance
  • Extended temperature range options
VIEW PRODUCT

GSX49-4

4.3mm Low Profile SM Crystal


The highly configurable, low profile GSX49-4 crystal is available at frequencies between 3.18 ~ 90.0MHz and features a range of calibration tolerance, temperature stability, operating temperature range, and circuit condition options. One of our most competitive crystals, you can find full product specifications and configure your product here.

  • 3.18 ~ 90.0MHz
  • Industry standard HC49 footprint
  • Low profile case
  • Fundamental mode available up to 50.0MHz
VIEW PRODUCT

GSX-333

3.2 x 2.5mm High Frequency SM Crystal with Tight Specifications


The GSX-333 is available at high frequencies from 8.0 ~ 125MHz and features a miniature package measuring 3.2 x 2.5 x 0.8mm. This miniature SM crystal is available in a choice of operating temperature ranges, temperature stabilities and calibration tolerances. Find more information and configure your product here.

  • 8.0 ~ 125MHz
  • Metal lid can be grounded to minimise EMI
  • Seam sealed for excellent long-term stability
  • Ultra-miniature for maximum space saving
VIEW PRODUCT

CM8V-T1A

Ultra-Miniature 2012 Package 32.768kHz SM Watch Crystal


The ultra-miniature CM8V-T1A offers a 32.768kHz solution with ultra-low profile package and high shock and vibration resistance. The CM8V-T1A is available in automotive and extended operating temperature ranges, with full AEC-Q200 qualification on request, and features low drive level.

  • 32.768kHz
  • Ultra low profile - 0.6mm
  • High shock & vibration resistance
  • Extended temperature range option
VIEW PRODUCT

GSX-1A

Two Pad SM Crystal with Ceramic Package


The GSX-1A two-pad fully ceramic SM package crystal, is available in a variety of oscillation modes, including fundamental up to 50.0MHz. Available at frequencies from 5.0-84.0MHz, and with a range of temperature stabilities and operating temperature ranges up to -40 to +85°C.

  • 5.0 ~ 84.0MHz
  • Fundamental mode up to 50.0MHz
  • Large stocks of standard frequencies
  • Alternative terminal configurations
VIEW PRODUCT

GWX-26

2x6mm Cylindrical Watch Crystal


With competitive pricing for high volume commercial projects, the GWX-26 32.768kHz watch crystal is ideal for applications expected to reach high commercial numbers. Configure your specifications here.

  • 32.768kHz
  • Low cost
  • Range of tolerances
  • Excellent ageing characteristics
VIEW PRODUCT

GXO-3306J

3225 Package Ultra-Low Jitter 2.5V Oscillator


Featuring ultra-low phase jitter of just 0.04ps typical, the GXO-3306J also has ultra-miniature 3.2 x 2.5mm package, requires 2.5V 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-3332G

1.8V 6-pad High Stability Oscillator


The GXO-3332G is now obsolete. For more information on this change please see our Product Change Notice PCN220110 06539 here. For existing designs the GXO-3300 family offer drop-in-replacement parts, and for new designs we recommend considering the GXO-3200 or GXO-3232. Alternatively you can speak to a member of our expert team by calling +44 1460 256 100.

  • 2.5 ~ 60.0MHz
  • High stability for WiMAX, LAN etc
  • Low current consumption
  • Miniature ceramic package with metal lid
VIEW PRODUCT

GXO-3332J

2.5V 6-pad High Stability Oscillator


The GXO-3332J is now obsolete. For more information on this change please see our Product Change Notice PCN220110 06539 here. For existing designs the GXO-3300 family offer drop-in-replacement parts, and for new designs we recommend considering the GXO-3200 or GXO-3232. Alternatively you can speak to a member of our expert team by calling +44 1460 256 100.

  • 2.5 ~ 60.0MHz
  • High stability for WiMAX, LAN etc
  • Low current consumption
  • Miniature ceramic package with metal lid
VIEW PRODUCT

GXO-3332L

3.3V 6-pad High Stability Oscillator


The GXO-3332L is now obsolete. For more information on this change please see our Product Change Notice PCN220110 06539 here. For existing designs the GXO-3300 family offer drop-in-replacement parts, and for new designs we recommend considering the GXO-3200 or GXO-3232. Alternatively you can speak to a member of our expert team by calling +44 1460 256 100.

  • 2.5 ~ 60.0MHz
  • High stability for WiMAX, LAN etc
  • Low current consumption
  • Miniature ceramic package with metal lid
VIEW PRODUCT

GXO-3332N

3.0V 6-pad High Stability Oscillator


The GXO-3332N is now obsolete. For more information on this change please see our Product Change Notice PCN220110 06539 here. For existing designs the GXO-3300 family offer drop-in-replacement parts, and for new designs we recommend considering the GXO-3200 or GXO-3232. Alternatively you can speak to a member of our expert team by calling +44 1460 256 100.

  • 2.5 ~ 60.0MHz
  • High stability for WiMAX, LAN etc
  • Low current consumption
  • Miniature ceramic package with metal lid
VIEW PRODUCT

GXO-7506J

7550 Package Ultra-Low Jitter 2.5V Oscillator


Featuring ultra-low phase jitter of just 0.04ps typical, the GXO-7506J also has surface mount 7.5 x 5.0mm package, requires 2.5V 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-L31J

2.5V LVDS Oscillator for High Speed Data Transfer


Designed for high speed data transfer, the miniature 2.5V GXO-L31J features a multiplier-free design for excellent phase jitter performance of just 0.3ps typical, and produces LVDS output.

  • 40.0 ~ 250MHz
  • Differential outputs
  • RMS phase jitter 0.3ps
  • Low current consumption (20mA max)
VIEW PRODUCT

GXO-L31L

3.3V LVDS Oscillator for HIgh Speed Data Transfer


Designed for high speed data transfer, the miniature 3.3V GXO-L31L features a multiplier-free design for excellent phase jitter performance of just 0.3ps typical, and produces LVDS output.

  • 40.0 ~ 250MHz
  • Differential outputs
  • RMS phase jitter 0.3ps
  • Low current consumption (20mA max)
VIEW PRODUCT