公开(公告)号：US10833663B2

公开(公告)日：2020-11-10

申请号：US16509526

申请日：2019-07-12

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Michael Schultz ,  Robert Callaghan Taft

IPC: H03K5/156 ,  H03K5/135 ,  H03K5/04

Abstract: A circuit comprises a first set of serially-connected inverters comprising an input port, the first set of serially-connected inverters comprising a first subset of serially-connected inverters, the first subset of serially-connected inverters odd in number and comprising an input port and an output port; a first low-pass filter comprising an input port coupled to the output port of the first subset of serially-connected inverters, and an output port; a second low-pass filter comprising an input port coupled to the input port of the first subset of serially-connected inverters, and an output port; and a first differential amplifier comprising a first input port coupled to output port of the first low-pass filter, a second input port coupled to the output port of the second low-pass filter, and an output port coupled to the input port of the first set of serially-connected inverters.

公开(公告)号：US10396768B2

公开(公告)日：2019-08-27

申请号：US15951973

申请日：2018-04-12

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Michael Schultz ,  Robert Callaghan Taft

IPC: H03K5/04 ,  H03K5/156 ,  H03K5/135

Abstract: A circuit comprises a first set of serially-connected inverters comprising an input port, the first set of serially-connected inverters comprising a first subset of serially-connected inverters, the first subset of serially-connected inverters odd in number and comprising an input port and an output port; a first low-pass filter comprising an input port coupled to the output port of the first subset of serially-connected inverters, and an output port; a second low-pass filter comprising an input port coupled to the input port of the first subset of serially-connected inverters, and an output port; and a first differential amplifier comprising a first input port coupled to output port of the first low-pass filter, a second input port coupled to the output port of the second low-pass filter, and an output port coupled to the input port of the first set of serially-connected inverters.