Q-Tech launches space-qualified multi-output LVDS Hybrid Oscillators
by Staff Writers
Culver City CA (SPX) Aug 09, 2019
Q-Tech Corporation, the world's leading supplier of crystal oscillators for space, military, avionics and high temperature applications, announces the availability of the QT6xxLW Multiple Output LVDS Series of space qualified crystal oscillators.
These MIL-PRF-55310 oscillators are Type 1 Class 2 hybrids, delivering exceptional frequency and temperature stability for space satellite and other high-performance aerospace applications. Units in the series are available with from 1 to 12 LVDS differential output pairs at selected frequencies between 15 MHz to 200 MHz.
The Series is offered in two packages, depending on the number output pairs: a 20-pin, .625 x .625 inches flat pack for one to six LVDS pairs and a 62-pin, 1.25 x 1.65 inches flat pack for eight to twelve output pairs. Terminal finish options are gold or hot solder dip.
All QT6xxLW Series oscillators operate from a 3.3 Vdc supply voltage. They are rated for operation over a full military -55C to 125C temperature range. All are quality conformance screened to MIL-PRF-38534, Class K modified standards.
Exceptional reliability - an essential requirement for devices in this class - is supported by a combination of industry-leading performance specifications, including: 100 kRad(Si) total dose ionization radiation hardening, Integrated Phase Jitter (from 12 kHz to 20 MHz) less than 1 ps, Skew between outputs of less than 0.4 ns, and excellent shock and vibration.
"The LVDS output of the QT6xxLW LVDS Series delivers the low phase noise and virtually jitter-free performance required in many satellite and military applications," said Scott Sentz, Q-Tech's Director of Sales and Marketing. "The innovative multiple output packaging saves valuable board space and cost."
GOES-17 Mishap Investigation Board Study Completed
Washington DC (SPX) Aug 02, 2019
A Mishap Investigation Board appointed by NASA and the National Oceanic and Atmospheric Administration (NOAA) has identified the most likely cause for an instrument issue aboard NOAA's Geostationary Operational Environmental Satellite (GOES)-17 satellite that launched March 1, 2018 from Cape Canaveral Air Force Station in Florida. During postlaunch testing of the satellite's Advanced Baseline Imager (ABI), teams discovered the instrument's infrared detectors could not be maintained at the required ... read more
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