Patent · US Active

Parasitic tolerant charge-based coupling measurement

US12395206B2 · kind B2 · utility

0Cited by
23References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 9, 2023
Grant dateAug 19, 2025
Priority date
Expiry dateDec 13, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B3/487
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A system for measuring parasitic capacitance coupling between adjacent first communication transmission line and second communication transmission line is disclosed. The system including: a parasitic tolerant capacitive based coupling measurement circuit (CBCM), the CBCM including: a capacitive auto-zeroing buffer configured to bias the second communication transmission line and displace coupling charge transferred from the first communication transmission line to a switched capacitor storage element; a capacitive trans-impedance amplifier configured to integrate displaced coupling charge onto an output voltage node; and a comparator configured to switch states once the capacitive trans-impedance amplifier integration has surpassed a reference trippoint.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.