OCXO Quiets Phase Noise

Oct. 22, 2009
Although amplifiers were many at the Washington AOC this week, numerous oscillator and synthesizer suppliers also plied their wares on the exhibit floor, including Isotemp Research with its model OCXO 131-1007 oven-controlled crystal oscillator (OCXO) ...

Although amplifiers were many at the Washington AOC this week, numerous oscillator and synthesizer suppliers also plied their wares on the exhibit floor, including Isotemp Research with its model OCXO 131-1007 oven-controlled crystal oscillator (OCXO) with outstanding stability and low phase noise in a compact housing. The OCXO provides rectangular HCMOS-level outputs at 10 MHz with +/-1 x 10-9 ambient stability from 0 to +70 degrees C and aging rate of +/-3 x 10-10/day at the time of shipment and after 30 days. The OCXO features phase noise of -120 dBc/Hz offset 10 Hz from the carrier, -140 dBc/Hz offset 100 Hz from the carrier, and -150 dBc/Hz offset 1 kHz and beyond. The oscillator operates at +12 VDC, draws 350 mA at turn on, and consumes 1.8 W power at room temperature. It measures 1.43 x 1.07 x 0.50 in.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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