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phase-locked loop |
Also found in: Wikipedia | 0.01 sec. |
phase-locked loopSee PLL. phase-locked loop [′fāz ¦läkt ′lüp] (electronics) A circuit that consists essentially of a phase detector which compares the frequency of a voltage-controlled oscillator with that of an incoming carrier signal or reference-frequency generator; the output of the phase detector, after passing through a loop filter, is fed back to the voltage-controlled oscillator to keep it exactly in phase with the incoming or reference frequency. Abbreviated PLL. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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This Delta-Sigma Fractional-N Phase Locked Loop (PLL) product allows the SoC designer to synthesize the exact output frequencies to suit an individual project. The Silicon Laboratories' chips feature advanced pipelining and caching and a phase locked loop which together allow the core to run at up to 100MIPS. Sirenza Microdevices (Nasdaq:SMDI), a leading designer and supplier of high-performance radio-frequency (RF) components for communications equipment manufacturers, today announced the introduction of a new family of phase locked loop synthesizer modules (PLLs). |
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