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GTXO-203T

1.8V ~ 3.6V SM TCXO


GTXO-203T features an ultra-miniature 2016 package with maximum height of 0.8mm. This TCXO also offers a range of tight stability and other specification options including operating temperature range. You can find full specifications, and configurable options, here.

  • 10.0 ~ 70.0MHz
  • Ideally suited for wearable applications
  • Supply voltages from 1.8V ~ 3.6V
  • Low power consumption
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GTXO-203V

1.8V ~ 3.6V SM VCTCXO


GTXO-203V features an ultra-miniature 2016 package with maximum height of 0.8mm and built-in frequency adjustment. This TCXO also offers a range of tight stability and other specification options including operating temperature range. You can find full specifications, and configurable options, here.

  • 10.0 ~ 70.0MHz
  • Ideally suited for wearable applications
  • Supply voltages from 1.8V ~ 3.6V
  • Low power consumption
VIEW PRODUCT

GTXO-205T

1.8V ~ 3.3V Tight Stability High Temperature TCXO


The GTXO-205T temperature compensated oscillator features wide operating temperature range of -40 to +105°C and provides clipped sine output with excellent frequency stability of ±0.5ppm. Find full product specifications and download the product datasheet here.

  • Wide Temperature Range
  •  -40 to +105°C 
  • ±0.5ppm Stability
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GTXO-205V

1.8V ~ 3.3V Tight Stability High Temperature VCTCXO


The GTXO-205V VCTCXO in ultra-miniature 2.0 x 1.6mm package provides excellent frequency stability of ±0.5ppm up to high temperatures of 105°C, and has voltage control as standard. Find full specifications here.

  • Wide Temperature Range
  •  -40 to +105°C 
  • ±0.5ppm Stability
  • Voltage Control
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GTXO-253T

1.8V ~ 3.6V Ultra-tight Stability TCXO


The GTXO-253T temperature compensated oscillator is entirely suited for a range of tight stability applications including GPS, featuring frequency stability as tight as ±0.5ppm, fast start up time of 3ms maximum, and a miniature 2.5 x 2.0mm package.

  • 10.0 ~ 52.0MHz
  • Ideally for tight stability applications
  • ±0.5ppm frequency stability option
  • Supply voltage from 1.8V ~ 3.6V
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GTXO-253V

1.8V ~ 3.6V Ultra-tight Stability VCTCXO


The GTXO-253V temperature compensated oscillator is entirely suited for a raneg of tight stability applications including GPS as it features frequency stability as tight as ±0.5ppm, fast start up time of 3ms maximum, voltage controlled frequency adjustment, and a miniature 2.5 x 2.0mm package.

  • 10.0 ~ 52.0MHz
  • Ideally suited for GPS applications
  • ±0.5ppm frequency stability option
  • Voltage controlled frequency adjustment
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GTXO-94G

1.8V 32.768kHz CMOS TCXO


The GTXO-94G provides extremely stable 1.8V CMOS output at 32.768kHz, with tight stability of just ±5ppm. The GTXO-94G is ideal for use as an RTC reference,or within any portable devices due to its exceptionally low power consumption of just 0.79µA. Find more information on this 1.8V TCXO here. 

  • 32.768kHz
  • Extremely low current consumption of 0.79µA
  • ±5ppm frequency stability
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GTXO-94J

2.5V 32.768kHz CMOS TCXO


The GTXO-94J tight stability TCXO with 32.768kHz output, combines ±5ppm stability with extremely low power consumption of just 1.05µA. This TCXO is ideal for use as an RTC reference within smart metering solutions, data logging applications or for use in any portable devices. Find more information on this 2.5V temperature compensated oscillator here.

  • 32.768kHz
  • Extremely low current consumption of 1.05µA
  • ±5ppm frequency stability
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GTXO-94L

3.3V 32.768kHz CMOS TCXO


The GTXO-94L provides extremely stable 3.3V CMOS output, with tight stability of just ±5ppm. This tight stability at 32.768kHz, coupled with extremely low power consumption of just 1.37µA, make the GTXO-94L ideal for use as an RTC reference, within smart metering solutions, data logging or any portable devices. Find more information on this 3.3V TCXO here.

  • 32.768kHz
  • Extremely low current consumption of 1.37µA
  • ±5ppm frequency stability
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GTXO-94N

3.0V 32.768kHz CMOS TCXO


If you're looking for an RTC reference or need an extremely stable 32.768kHz output, you should consider the GTXO-94N. Providing extremely stable 3.0V CMOS output, with tight stability of just ±5ppm. This TCXO also has low power consumption of just 1.25µA, making the GTXO-94N ideal for use in any portable devices. Find more information on this 3.0V TCXO here.

  • 32.768kHz
  • Extremely low current consumption of 1.25µA
  • ±5ppm frequency stability
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GTXO-C25J

2.5V SM TCXO with CMOS Output


The ultra-miniature GTXO-C25J offers excellent phase noise and jitter performance in a tiny 2.5 x 2.0 x 0.95mm ceramic package with metal lid and gold plated pads. This TCXO requires 2.5V supply voltage.

  • 4.0MHz ~ 54.0MHz
  • 2.5V supply voltage
  • Low power consumption
  • Enable / disable tristate function
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GTXO-C25K

2.8V SM TCXO with CMOS Output


The ultra-miniature GTXO-C25K offers excellent phase noise and jitter performance in a tiny 2.5 x 2.0 x 0.95mm ceramic package with metal lid and gold plated pads. This TCXO requires 2.8V supply voltage.

  • 4.0MHz ~ 54.0MHz
  • 2.8V supply voltage
  • Low power consumption
  • Enable / disable tristate function
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GTXO-C25L

3.3V SM TCXO with CMOS Output


The ultra-miniature GTXO-C25L offers excellent phase noise and jitter performance in a tiny 2.5 x 2.0 x 0.95mm ceramic package with metal lid and gold plated pads. This TCXO requires 3.3V supply voltage.

  • 4.0MHz ~ 54.0MHz
  • 3.3V supply voltage
  • Low power consumption
  • Enable / disable tristate function
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GTXO-14T

3.3 & 5V Stratum 3 TCXO with Clipped Sine Output


Specially suited for telecoms applications, Stratum 3 compliant models of the GTXO-14T are available. This TCXO features a high level of frequency stability, clipped sine output and analogue compensation.

  • 6.4 ~ 100MHz
  • Ideally suited for Telecoms applications
  • 3.3V or 5.0V supply voltage
  • Clipped Sine output
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GTXO-14V

3.3 & 5V Stratum 3 VCTCXO with Clipped Sine Output


Specially suited for telecoms applications, Stratum 3 compliant models of the GTXO-14V are available. This VCTCXO features a high level of frequency stability, frequency adjustment, clipped sine output and analogue compensation.

  • 6.4 ~ 100MHz
  • Ideally suited for Telecoms applications
  • 3.3V or 5.0V supply voltage
  • Clipped Sine output
VIEW PRODUCT

GTXO-163T

1.8V ~ 3.6V SM TCXO


GTXO-163T features an ultra-miniature 1612 package with maximum height of 0.7mm. This TCXO also offers a range of tight stability and wide operating temperatures. You can find full specifications, and configurable options here.

  • 16.0 ~ 52.0MHz
  • Ultra-miniature package
  • Supply voltages from 1.8V ~ 3.6V
VIEW PRODUCT

GTXO-163V

1.8V ~ 3.6V SM VCTCXO


GTXO-163V VCTCXO features an ultra-miniature 1612 package with maximum height of 0.7mm and built-in frequency adjustment. This TCXO also offers a range of tight stability and other specification options including operating temperature range. You can find full specifications, and configurable options here.

  • 16.0 ~ 52.0MHz
  • Ideally suited for wearable applications
  • Supply voltages from 1.8V ~ 3.6V
  • Voltage controlled frequency adjustment
VIEW PRODUCT

GTXO-251T

1.8V ~ 3.3V Ultra-tight stability TCXO with EN50155 compliance option


The GTXO-251T temperature compensated oscillator provides ideal signalling for AIS, GPS and other tracking applications, and features frequency stability as tight as ±0.5ppm, fast start up time of 3ms maximum, and a miniature 2.5 x 2.0mm package. EN50155 compliance is optionally available for railway applications.

  • 16.0 ~ 52.0MHz
  • Ideally suited for AIS, GPS and tracking applications
  • ±0.5ppm frequency stability option
  • Optional EN50155 compliance
VIEW PRODUCT

GTXO-251V

1.8V ~ 3.3V Ultra-tight Stability VCTCXO for AIS


The GTXO-251V temperature compensated oscillator provides ideal signalling for AIS and GPS applications, featuring frequency stability as tight as ±0.5ppm, fast start up time of 3ms maximum, wide voltage controlled frequency adjustment of ±15ppm ~ ±25ppm, and a miniature 2.5 x 2.0mm package.

  • 16.0 ~ 52.0MHz
  • Ideally suited for AIS and GPS applications
  • ±0.5ppm frequency stability option
  • Wide voltage controlled frequency adjustment option
VIEW PRODUCT

GTXO-560N

3V & 5V SM VCTCXO with Clipped Sine Output and Voltage Adjustment


With 4-pad PCB base and metal lid package the GTXO-560N TCXO features voltage adjustment and comes with a choice of excellent frequency stability options including as tight as ±1.0ppm. 

  • 9.60 ~ 50.0MHz
  • Voltage-controlled TCXO
  • Low power consumption
  • Stabilities down to ±1.0ppm
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GTXO-560T

3V & 5V SM TCXO with Clipped Sine Output and Internal Trimmer


With 4-pad PCB base and metal lid package the GTXO-560T TCXO features a choice of excellent frequency stability options including as tight as ±1.0ppm, and comes with internal trimmer. 

  • 9.60 ~ 50.0MHz
  • TCXO with internal trimmer function
  • Low power consumption
  • Stabilities down to ±1.0ppm
VIEW PRODUCT

GTXO-560V

3V & 5V SM VCTCXO with Clipped Sine Output and Voltage Adjustment


With 4-pad PCB base and metal lid package the GTXO-560V TCXO features voltage adjustment and internal trimmer, and comes with a choice of excellent frequency stability options including as tight as ±1.0ppm. 

  • 9.60 ~ 50.0MHz
  • Voltage Adjustment and Internal Trimmer
  • Low power consumption
  • Stabilities down to ±1.0ppm
VIEW PRODUCT

GTXO-566N

6-Pad SM VCTCXO with Clipped Sine Output and Voltage Adjustment


Featuring 6-pad PCB base and metal lid package, the GTXO-566N VCTCXO has voltage adjustment and comes with a choice of excellent frequency stability options including as tight as ±1.0ppm. 

  • 9.60 ~ 50.0MHz
  • Voltage-controlled TCXO
  • Low power consumption
  • Stabilities down to ±1.0ppm
VIEW PRODUCT

GTXO-566T

6-Pad SM TCXO with Clipped Sine Output and Internal Trimmer


Featuring 6-pad PCB base and metal lid package, the GTXO-566T TCXO has a choice of excellent frequency stability options including as tight as ±1.0ppm, and comes with internal trimmer. 

  • 9.60 ~ 50.0MHz
  • TCXO with internal trimmer
  • Low power consumption
  • Stabilities down to ±1.0ppm
VIEW PRODUCT

GTXO-566V

6-Pad SM VCTCXO with Clipped Sine Output and Voltage Adjustment


Featuring 6-pad PCB base and metal lid package the GTXO-560V TCXO has voltage adjustment and internal trimmer, and comes with a choice of excellent frequency stability options including as tight as ±1.0ppm. 

  • 9.60 ~ 50.0MHz
  • Voltage Adjustment and Internal Trimmer
  • Low power consumption
  • Stabilities down to ±1.0ppm
VIEW PRODUCT

What is a TCXO?

TCXO stands for Temperature Compensated Crystal Oscillator. This type of oscillator is used where the accuracy of a crystal oscillator on its own is not sufficient. 

The "Temperature Compensated" part simply means that the oscillator has a circuit that automatically adjust its frequency output to compensate for changes in temperature, over a wide temperature range. This helps make appliances for radio communications, GPS positioning and navigation possible in all conditions. 

Some of the most common applications that use TCXOs include:

  • GPS receivers
  • Wireless and cellular communications equipment
  • Test and measurement equipment
  • Scientific instruments
  • Aerospace and defence systems.

TCXOs are essentially a bridge between a XO and OCXO, which makes them often more expensive than a typical oscillator. A TCXO is much cheaper, smaller, and consumes much less power than an OCXO. The temperature compensation gives them a better accuracy than other oscillators and allows them to be used in applications where the accuracy is mandated. 

What is the difference between TCXO and VCXO?

A TCXO is similar in many ways to a VCXO but with one key difference:

A TCXO has an additional circuit that produces a tuning voltage that is dependent on the temperature of the circuit. This control voltage is designed to cancel out the temperature variation of the crystal and oscillator circuit frequency. For VCTCXOs the external tune voltage is added to the temperature correction voltage.