Schaltung zur Korrektur von Arbeitszyklus- und Phasenfehlern

Details

Veröffentlichungs-Nr.

EP4175175

Aktenzeichen

EP22200613

Anmeldetag

10. Oktober 2022

Veröffentlichung

7. Januar 2026

Erteilung

7. Januar 2026

Rechtsraum

EP

IPC

H03K5/156H04L25/00H03L7/00

Abstract

A duty cycle correction (DCC) circuit (100) for use in relation to differential signal communications, a method of providing duty cycle correction, and communications systems and methods employing same, are disclosed herein. In one example embodiment, the circuit (100) includes a differential signal inverter circuit (110, 112) including first and second inverter circuits (132, 134), each of which has a respective inverter and respective first and second transistor devices (134, 136) respectively coupled between the respective inverter and first and second voltages (138, 140), respectively. The circuit also includes a feedback circuit (111) coupled to respective output ports (106, 108) of the respective first and second inverter circuits and also to respective feedback input ports (A, B, C, D) of the respective transistor devices (134, 136). The feedback circuit operates to provide one or more feedback signals (A, B, C, D) causing one or more of the transistor devices to perform current limiting. Respective duty cycles of output signals respectively are equal or substantially equal based on the current limiting.

Anmelder

Firma

NXP B.V.

Land

🇳🇱 Niederlande

Fachgebiete