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Tight Stability Clock Oscillators come in two package sizes.

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Tight Stability Clock Oscillators come in two package sizes.
Tight Stability Clock Oscillators come in two package sizes.
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July 22, 2014 - Respectively supplied in 2.5 x 2.0 mm and 3.2 x 2.5 mm ceramic packages, IQXO-445 series and IQXO-430 series deliver frequency stabilities as low as 10 ppm over full -40 to +85C range. Both series are available over 4–54 MHz range, consume 3.1 mA at 40 MHz, and offer phase noise performance of -145 dBc/Hz at 10 kHz offset. Output is CMOS-compatible with up to 15 pF load, and both models include tri-state capability. Available supply voltages are 2.5, 3.0, or 3.3 V.

New Tight Stability Clock Oscillator from IQD Offers Two Different Package Sizes

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

Press release date: July 16, 2014

IQD’s new range of clock oscillators, which are at the forefront of modern clock oscillator design, deliver frequency stabilities as low as 10ppm over the full industrial temperature range of -40 to 85 degrees C. Two versions are available offering different ceramic package sizes; the IQXO-445 series is housed in a 2.5 x 2.0mm package while the IQXO-430 series is housed in a 3.2 x 2.5mm package.

Both series are available over a frequency range from 4 to 54MHz and offer extremely low current consumption of 3.1mA at 40MHz coupled with a phase noise performance of -145dBc/Hz at 10kHz offset. IQXO-445 and IQXO-430 series come available with 4 or 6 pads and can be specified in supply voltages of 2.5, 3.0 or 3.3V.

Output is CMOS compatible with up to 15pF load and both models include tri-state capability as standard and are intended for RoHS compliant reflow soldering.

The IQXO-445 and IQXO-430 series are both designed for a wide variety of applications such as wireless-LANS, PLC modems, Bluetooth, mobile communications, wi-max and industrial radio’s. Further information and the full data sheet is available at

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

Further information:
Harriet Charles
IQD Frequency Products Ltd
T: +44 (0)1460 270200
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