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EDN

Circuit allows high-speed clock multiplication

In theory, synchronous clock multiplication is an easy task. A simple PLL with two digital dividers—one inserted just after the VCO (voltage-controlled oscillator) and the second one placed directly ...
EDN

LTC Design Note: Robust 10MHz reference clock input protection circuit and distributor for RF systems

RF instruments and wireless transceivers often feature an input for an external reference clock, such as the ubiquitous 10MHz reference input port found on RF instruments. Many of these same systems ...
Electronic Design

Circuit Combines DC High-Voltage Drop Detector, Undervoltage Alarm

Environmental systems that precipitate dust and carbon particles frequently use high-voltage dc power supplies. However, failure of high-voltage components caused by a change in their properties over ...
JSTOR Daily

A Self-Regulatory Circuit of CIRCADIAN CLOCK-ASSOCIATED1 Underlies the Circadian Clock Regulation of Temperature Responses in Arabidopsis

Pil Joon Seo, Mi-Jeong Park, Mi-Hye Lim, Sang-Gyu Kim, Minyoung Lee, Ian T. Baldwin, Chung-Mo Park The Plant Cell, Vol. 24, No. 6 (JUNE 2012), pp. 2427-2442 (16 pages) The circadian clock synchronizes ...