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Coal-Dependent Arkansas Faces Stiff Emissions Target and a Running Clock
2014-08-20 00:02:00| Climate Ark Climate Change & Global Warming Newsfeed
National Geographic: At the end of 2012, at a time when many states were replacing their aging coal plants, Arkansas switched on a new $1.8-billion coal plant, one of two the state has fired up in the past five years. The state saw emissions from its power plants rise 35 percent between 2005 and 2012, even as other states turned to cleaner-burning natural gas and the nation's overall power plant emissions trended downward. "We know we're a coal-heavy state," said Teresa Marks, director of the Arkansas Department...
Tags: running
target
clock
faces
Silicon Labs Launches Industry's Lowest Jitter Clock Family For Data Centers And Internet Infrastructure
2014-07-31 08:06:14| rfglobalnet Home Page
Silicon Labs, a leader in high-performance, analog-intensive, mixed-signal ICs, recently introduced the industry’s most frequency-flexible clock solutions offering industry-leading jitter performance for high-speed networking, communications and data center equipment serving as the foundation of today’s Internet infrastructure.
Tags: internet
data
family
lowest
'Comb On A Chip' Powers New NIST/Caltech Atomic Clock Design
2014-07-23 12:26:02| rfglobalnet News Articles
Researchers from the National Institute of Standards and Technology (NIST) and California Institute of Technology (Caltech) have demonstrated a new design for an atomic clock that is based on a chip-scale frequency comb, or a microcomb.
Tags: design
clock
powers
chip
Tight Stability Clock Oscillators come in two package sizes.
2014-07-22 14:30:56| Industrial Newsroom - All News for Today
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 +85°C 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. This story is related to the following:Clock Oscillators
Tags: package
sizes
clock
stability
Clock Generators suit networking and storage applications.
2014-07-21 14:31:03| Industrial Newsroom - All News for Today
Supplied in 5 x 5 mm package, Models ZL30250 and ZL30251 offer ultra-low jitter of 160 fs and any-to-any frequency conversion with 0 ppm error. Generators feature up to 3 differential outputs, up to 6 CMOS outputs, and 3 universal clock inputs that connect to any signal format at any voltage. Devices can generate PCIe clock signals with or without spread-spectrum modulation. In numerically controlled oscillator mode, output frequencies can be controlled with high resolution by software. This story is related to the following:Clock Generators |
Tags: applications
storage
networking
suit
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