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MCXO delivers 50 ppb stability in 7 x 5 mm package.

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March 4, 2014 - Featuring 10–50 MHz range and typ phase noise performance of -145 dBC/Hz @ 100 kHz, IQMT-100 series Microcomputer Compensated Crystal Oscillator (MCXO) comes in ceramic package and consumes <15 mA. Design enables frequency stability of 50 ppb over -40 to +85C operating range while maintaining typ short term stability of 2E-10/s. Output compatibility can be specified as Clipped Sine or HCMOS with 15 pF load along with 3.0, 3.3, and 5.0 V supply voltages. Voltage control option is available.

IQD's New Microcomputer-Compensated Crystal Oscillator Delivers ±50ppb Stability in a 7 x 5mm Package


IQD Frequency Products
2570 N First Street
San Jose, CA, 95131
USA



Press release date: February 25, 2014

Launched at Embedded World 2014, IQD’s new IQMT-100 series Microcomputer Compensated Crystal Oscillator (MCXO) offers customers OCXO performance in a standard clock oscillator sized package. The design enables a frequency stability of 50ppb (parts per billion) over the full industrial operating temperature range of –40 to 85 degrees C whilst maintaining an extremely good typical short term stability of 2E-10/s. The IQMT-100 is housed in an industry standard sized ceramic package measuring just 7 x 5mm with both 8 and 10 pad options available over a frequency range from 10 to 50MHz.

A wide range of standard frequencies have already been developed including 10, 12.8, 16.320,16.3840, 19.2, 19.44, 20.0, 25.0, 26.0, 30.720 and 50MHz. Output compatibility can be specified as either Clipped Sine or HCMOS with 15pF load along with 3.0, 3.3 and 5.0V supply voltages. A voltage control option is available to control the frequency pulling to compensate for crystal ageing and varying circuit conditions with choices of either 5ppm to 10ppm or 10ppm to 15ppm. Ageing per day is 20ppb although 10ppb can be offered for some specification combinations. Similarly standard ageing over one year is 1ppm although 0.5ppm can be offered for certain frequencies. Typical phase noise performance is -145dBC/Hz @ 100kHz.

Designed to be used in a wide range of applications such as femto, pico and micro base stations, digital switching, GPS/GNSS, microwave backhaul, digital video broadcast, satellite up converters and environmental monitoring equipment, the device lends itself to portable use since it consumes less than 15mA of current. It is ideal for use where an OCXO cannot be used due to size and power consumption restrictions and where a tight frequency stability is required which a TCVCXO cannot achieve.

Full details will be available at IQD’s stand 650 in Hall 4 at Embedded World 2014.

Notes:
Backed by a pedigree that has been developed over 40 years, IQD Frequency Products is a recognised market leader in the frequency control market. We have operations in America, Asia and Europe including our specialist high performance product manufacturing division, IQD FOQ GmbH in Germany where we offer a full custom design service, with special emphasis on low phase noise OCXOs based around our own in-house manufactured SC-cut crystals. With active customers in over 60 countries, IQD offers one of the most comprehensive frequency product ranges available, from low cost commercial grade product to that used in high reliability military and professional grade applications, including: Quartz Crystals, Crystal Oscillators, Fast Make Oscillators, VCXOs, TCXOs, OCXOs, Rubidium Oscillators, Automotive Crystals to AEC-Q200 & TS16949 release and Real Time Clock,.

Quality and customer service are the cornerstones of our success and we are absolutely focussed on consistently meeting and exceeding customer expectations. We take a partnership approach to working with our customers. Our experienced multilingual Sales and Application Support teams guide customers from design stage through to full production.

IQD’s products are specified by leading manufacturers in the aerospace, automotive, communications, computing, consumer, industrial, medical and military industries throughout the world. We work with several premier chip-set designers on a variety of key projects and hold approvals on a number of products including high specification oscillators. Our full range of products is available direct from all of our offices or via our extensive worldwide distribution and representative network. Full contact details are available on our website at www.iqdfrequencyproducts.com.

Further information:
Harriet Charles
IQD Frequency Products Ltd
T: +44 (0)1460 270200
E: harriet.charles@iqdfrequencyproducts.com
W: www.iqdfrequencyproducts.com
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User comments about this story

Short term stability

Hi,
In your article about the IQMT-100, Could you please clarify what is meant by " ... short term stability of 2E-10/s". Does this mean 2E-10 cycles of error per second, or does it mean 2E-10 ppm drift in frequency per second, or 2E-10 times the nominal frequency drift in frequency per second.

thank you.
D. fowler

By David Fowler on Apr 21, 2014 01:07

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