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Industry News

Active Mode-couplings Enable High Frequency Fundamental VCXOs

This article reports a novel circuit for high frequency fundamental voltage- controlled crystal oscillators (VCXO) using an active mode-coupling mechanism. The reported VCXO circuit has the characteristic features of low drive level, fast start-up and ...

September 11, 2010
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The increasing demand of the wireless communication service creates a demand for broadband networks and higher operating frequencies in the market place. As the operating frequency shifts higher, the generation of low drive level, fast start-up, low phase noise and stable reference signal sources with low cost become challenging...
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