Components: LVDS Squelches Noise In Pair Of Oscillators

Aug. 23, 2004
Low noise, made possible by low-voltage differential signaling (LVDS), sets the F4700/4710 crystal oscillators apart from others. Coming in supply voltages of 3.3 V ±5% (F4700) and 2.5 V ±5% (F4710), they offer a differential output voltage...

Low noise, made possible by low-voltage differential signaling (LVDS), sets the F4700/4710 crystal oscillators apart from others. Coming in supply voltages of 3.3 V ±5% (F4700) and 2.5 V ±5% (F4710), they offer a differential output voltage of 0.247 to 0.454 V. Frequency stabilities include ±100, ±50, ±25, and ±20 ppm. Standard frequency ranges from 70 to 170 MHz, with available frequencies reaching 250 MHz. Standard operating temperature ranges from ­10°C to 85°C with an optional temperature range of ­40°C to 85°C available for most models. The package measures 7 by 5 mm. Pricing for a ±100-ppm F4700 at 212.5 MHz starts at $15.95 in 10,000-unit lots. Delivery is in 12 weeks.

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About the Author

Roger Allan

Roger Allan is an electronics journalism veteran, and served as Electronic Design's Executive Editor for 15 of those years. He has covered just about every technology beat from semiconductors, components, packaging and power devices, to communications, test and measurement, automotive electronics, robotics, medical electronics, military electronics, robotics, and industrial electronics. His specialties include MEMS and nanoelectronics technologies. He is a contributor to the McGraw Hill Annual Encyclopedia of Science and Technology. He is also a Life Senior Member of the IEEE and holds a BSEE from New York University's School of Engineering and Science. Roger has worked for major electronics magazines besides Electronic Design, including the IEEE Spectrum, Electronics, EDN, Electronic Products, and the British New Scientist. He also has working experience in the electronics industry as a design engineer in filters, power supplies and control systems.

After his retirement from Electronic Design Magazine, He has been extensively contributing articles for Penton’s Electronic Design, Power Electronics Technology, Energy Efficiency and Technology (EE&T) and Microwaves RF Magazine, covering all of the aforementioned electronics segments as well as energy efficiency, harvesting and related technologies. He has also contributed articles to other electronics technology magazines worldwide.

He is a “jack of all trades and a master in leading-edge technologies” like MEMS, nanolectronics, autonomous vehicles, artificial intelligence, military electronics, biometrics, implantable medical devices, and energy harvesting and related technologies.

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