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guard ring
(redirected from guard rings)

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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.
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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.
Gennum's Snowbush IP group develops integrated USB 3.0 PHY and ... by Worldwide Computer Products News
Guard rings and via can be set-up through L-Edit's user interface or imported from a Virtuoso(R) technology file.
Tanner's L-Edit IC Design Tool Gets New Capabilities to Speed Design ... by Business Wire
The technology allows for integration of medium- and high-resistivity polysilicon resistors, medium- and high-voltage floating capacitors and deep, N+ doped guard rings.
AMI Semiconductor's Enhanced Mixed-Signal Technology Delivers Power ... by Business Wire
 
 
 
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