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guard ring |
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guard ring [′gärd ‚riŋ]
(electricity) A ring-shaped auxiliary electrode surrounding one of the plates of a parallel-plate capacitor to reduce edge effects. (electronics) A ring-shaped auxiliary electrode used in an electron tube or other device to modify the electric field or reduce insulator leakage; in a counter tube or ionization chamber a guard ring may also serve to define the sensitive volume. (thermodynamics) A device used in heat flow experiments to ensure an even distribution of heat, consisting of a ring that surrounds the specimen and is made of a similar material. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | The new IP block employs a range of techniques to ensure high performance, reduced jitter and increased noise immunity, including: a dual-loop hybrid clock-and-data recovery (CDR) architecture which recovers the clock with less jitter; a coupled ring oscillator VCO design; internal voltage and current regulation for sensitive circuits; fully differential circuitry and clock signaling; as well as extensive use of guard rings within the macro, the company said. User can analyze the impact of power and substrate noise coupling to help assess the effectiveness of various guard ring structures. This sight has all the bells and whistles including a zero-gap pin adjustment; white, sight guard ring to help with peep alignment; choice of dovetail or fixed mount; and micro adjustable windage and elevation modules. |
guard ring |
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