PASSIVE CONTINUOUS-TIME LINEAR EQUALIZER

A passive continuous time linear equalizer (CTLE) includes an alternating current (AC) coupling capacitor coupled in series between an input node and an output node of the passive equalizer. An electrostatic discharge protection device is coupled in parallel to the input node. An inductor is coupled...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TALBOT, Gerald R, GONZALES, Dean
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A passive continuous time linear equalizer (CTLE) includes an alternating current (AC) coupling capacitor coupled in series between an input node and an output node of the passive equalizer. An electrostatic discharge protection device is coupled in parallel to the input node. An inductor is coupled in parallel to a node between the input node and the output node. Further, the passive CTLE includes a variable resistor coupled in series between the inductor and a ground. Increased impedance of the inductor at higher frequencies portions of the input signal operate to boost a gain of the equalizer at the higher frequencies without active power by over-terminating the input signal.