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Join us at the Electronics Design Show 2019!

15/08/2019


We're pleased to announce that the Golledge team will be attending the Electronics Design Show 2019, come and meet us on stand L42, find out more here.

GMCF-21 21G7A

21.4MHz 2 pole crystal filter with 7.5kHz 3dB bandwidth


The 21G7A two pole crystal filter has bandwidth of ±7.5kHz 3dB @ 3dB around centre bandwidth of 21.4MHz. This two pole filter features low in-band ripple and insertion loss and comes encased within a single UM-1/3L package.

  • 21.4MHz
  • 2-pole
  • Low insertion loss
  • Low in-band ripple
VIEW PRODUCT

GMCF-HF 70G15A

70MHz 2 pole crystal filter with 15.0kHz 3dB bandwidth


The GMCF-HF 70G15A 2 pole crystal filter from Golledge with centre frequency of 70MHz features a 15kHz 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 2.0dB dB. Find full specifications here.

  • 70.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 70G15B

70MHz 4 pole crystal filter with 15.0kHz 3dB bandwidth


The GMCF-HF 70G15B 4 pole crystal filter from Golledge with centre frequency of 70MHz features a 15kHz 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.

  • 70.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 70G20A

70MHz 2 pole crystal filter with 20.0kHz 3dB bandwidth


The GMCF-HF 70G20A 2 pole crystal filter from Golledge with centre frequency of 70MHz 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 2.0dB dB. Find full specifications here.

  • 70.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 70G20B

70MHz 4 pole crystal filter with 20.0kHz 3dB bandwidth


The GMCF-HF 70G20B 4 pole crystal filter from Golledge with centre frequency of 70MHz 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.

  • 70.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 70G30A

70MHz 2 pole crystal filter with 30.0kHz 3dB bandwidth


The GMCF-HF 70G30A 2 pole crystal filter from Golledge with centre frequency of 70MHz features a 30kHz 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 2.0dB dB. Find full specifications here.

  • 70.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 70G30B

70MHz 4 pole crystal filter with 30.0kHz 3dB bandwidth


The GMCF-HF 70G30B 4 pole crystal filter from Golledge with centre frequency of 70MHz features a 30kHz 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.

  • 70.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 90G15A

90MHz 2 pole crystal filter with 15.0kHz 3dB bandwidth


The GMCF-HF 90G15A 2 pole crystal filter from Golledge with centre frequency of 90MHz features a 15kHz 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 2.0dB dB. Find full specifications here.

  • 90.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 90G15B

90MHz 4 pole crystal filter with 15.0kHz 3dB bandwidth


The GMCF-HF 90G15B 4 pole crystal filter from Golledge with centre frequency of 90MHz features a 15kHz 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 3.5dB dB. Find full specifications here.

  • 90.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 90G20A

90MHz 2 pole crystal filter with 20.0kHz 3dB bandwidth


The GMCF-HF 90G20A 2 pole crystal filter from Golledge with centre frequency of 90MHz 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 2.0dB dB. Find full specifications here.

  • 90.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 90G20B

90MHz 4 pole crystal filter with 20.0kHz 3dB bandwidth


The GMCF-HF 90G20B 4 pole crystal filter from Golledge with centre frequency of 90MHz 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.

  • 90.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 90G30A

90MHz 2 pole crystal filter with 30.0kHz 3dB bandwidth


The GMCF-HF 90G30A 2 pole crystal filter from Golledge with centre frequency of 90MHz features a 30kHz 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 2.0dB dB. Find full specifications here.

  • 90.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

GMCF-HF 90G30B

90MHz 4 pole crystal filter with 30.0kHz 3dB bandwidth


The GMCF-HF 90G30B 4 pole crystal filter from Golledge with centre frequency of 90MHz features a 30kHz 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.

  • 90.0MHz
  • Standard models available from stock
  • Custom specifications available
VIEW PRODUCT

Understanding the Role of Frequency Control in IoT Devices and Wireless Sensor Networks

14/12/2023


Are you tired of your smart devices going haywire or your wireless sensor network behaving erratically? Well, you're not alone. The world of IoT (Internet of Things) devices and wireless sensor networks can sometimes feel like a tangled web of confusion and frustration. But don’t worry. There's a secret in the tech world that can swoop in and save the day. And that secret is frequency control.

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.

GMCF-21 21G7B

21.4MHz 4 pole crystal filter with 7.5kHz 3dB bandwidth


The 21G7B four pole crystal filter with centre frequency of 21.4MHz and has bandwidth of ±7.5kHz 3dB @ 3dB. The four pole 21G7B comes as encased within two UM-1/3L packages.

  • 21.4MHz
  • 4-pole
  • 2-package
  • Low insertion loss
VIEW PRODUCT

GSF-75 45R12B

45MHz 4 pole crystal filter with 12.0kHz 3dB bandwidth


The 45R12B with centre frequency of 45.0MHz features four poles within one miniature surface mount package measuring just 7.2 x 5.2mm. With passband bandwidth of 12kHz at 3dB, the 45R12B also has low insertion loss and guaranteed attenuation of -90±10 @ 80dB.

  • 45.0MHz
  • 4 poles in one package
  • Low insertion loss
  • Miniature SM package
VIEW PRODUCT
7.0 x 5.0 x 1.8mm

GSRF TA0942A

159.0125MHz RF SAW Filter with 6.025MHz bandwidth


Encased within a miniature 7.0x5.0mm footprint package, the TA0942A has low insertion loss of only 2.8 dB ensuring a strong within-band signal. TA0942A is centred on frequency 159.0125MHz and also offers the engineer a passband bandwidth of 6.0250MHz.

  • 159.0125MHz
  • 6.025MHz bandwidth
  • Low insertion loss of 2.8dB
  • Miniature package
DOWNLOAD PDF

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
34.7 x 12.7 x 4.7mm

GSIF TB1044A

70MHz IF SAW Filter with 2.25MHz bandwidth


The TB1044A SAW filter has a passband bandwidth of 2.25MHz centred on frequency 70MHz and is encased within a robust surface mount package.

  • 70.0MHz
  • 2.25MHz bandwidth
  • Insertion loss of 22dB
  • Miniature package
DOWNLOAD PDF
5.0 x 5.0 x 1.7mm

GSIF TB1029A

745MHz IF SAW Filter with 66MHz bandwidth


The TB1029A SAW filter offers the engineer a passband bandwidth of 66MHz centred on frequency 745MHz

  • 745MHz
  • 66MHz bandwidth
  • Insertion loss of 15.5dB
  • Miniature package
DOWNLOAD PDF

GXO-U108P

5V 7x5mm Oscillator with Power Saving


The GXO-U108P features industry-standard 7.5 x 5.0mm ceramic package with metal lid and gold plated pads as standard. This 5.0V oscillator is available over a wide frequency range of 12.0kHz~170MHz and features enable/disable functionality with power saving.

  • 12.0kHz ~ 170MHz
  • Standard frequencies held in stock
  • High drive capability - up to 50pF
  • Enable / disable tristate function
VIEW PRODUCT

GSF-75 21R15B

21.4MHz 4 pole crystal filter with 15.0kHz 3dB bandwidth


The GSF-75 21R15B 4 pole crystal filter from Golledge with centre frequency of 21.4MHz features a 15kHz 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.

  • 21.4MHz
  • 4 pole filter in one package
  • Frequencies from 21.40 ~ 75.0MHz available
  • Custom specifications available
VIEW PRODUCT

GSF-75 21R7B

21.4MHz 4 pole crystal filter with 7.5kHz 3dB bandwidth


The GSF-75 21R7B 4 pole crystal filter from Golledge with centre frequency of 21.4MHz features a 7.5kHz 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 4.0dB dB. Find full specifications here.

  • 21.4MHz
  • 4 pole filter in one package
  • Frequencies from 21.40 ~ 75.0MHz available
  • Custom specifications available
VIEW PRODUCT