Tuesday 18th January 2022 -
Telephone (905) 623-4101 email sales@rfx.co.uk


RFX Low cost /Low phase noise DIL OCXO’s - August 2016

RFXs’ Dual-in-Line (DIL) Oven Controlled Oscillators are now available in two options: AT cut and SC cut. Express delivery is available from one week for small volume orders, with voltages from 3.3V to 12V. Standard frequencies available are 10.0MHz AT cut and 100.0MHz available in the SC cut variant.

AT cut DIL OCXOs have several advantages over the SC cut variants, most notably the considerably lower cost and wider adjustment range. In addition they also require significantly less power to run and perform better in shock survivability tests.

SC cut DIL OCXOs have advantages over the AT cuts. Whilst more expensive, they provide excellent minimal phase noise and much better long term aging from +/-0.15 ppm max./year in comparison to the AT cut +/-0.5 ppm max./year, both after 30 days continuous operation. They also have better vibration induced phase noise, or g-sensitivity and lower frequency variations with supply variations.

The SC cut phase noise for single sideband is shown here:

- 90dBc/Hz, fo+10Hz

- 120dBc/Hz, fo+100Hz

- 150dBc/Hz, fo+1KHz

- 163dBc/Hz, fo+10KHz

- 165dBc/Hz, fo+100KHz

The SC cut variant is available on a slightly longer lead time than the AT cut.

The standard temperature range covered is -40oC to 70oC with a package height of 8.5 mm for the SC cut and 7.2 mm for the AT cut.

If you require any further information or assistance with an enquiry you have for our latest oscillator packages described, all standard information is on the website, or a member of our excellent engineering team would be more than happy to assist you with your requirements. 


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