公开(公告)号：US12057814B2

公开(公告)日：2024-08-06

申请号：US17880142

申请日：2022-08-03

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Yang Xu ,  William Bright ,  Hasibur Rahman

IPC: H03F3/04 ,  H03F1/34

CPC classification number: H03F3/04 ,  H03F2200/129 ,  H03F2200/165

Abstract: A circuit having an input and an output, the circuit comprising: a first amplifier having a first input, a second input and an output coupled to the output of the circuit; a first capacitor having a first terminal coupled to the first input of the first amplifier and a second terminal coupled to the output of the first amplifier; a first resistor having a first terminal coupled to the first input of the first amplifier and a second terminal; a buffer having an output coupled to the second terminal of the first resistor and an input; a second resistor having a first terminal coupled to the output of the first amplifier and a second terminal coupled to the input of the buffer; a second capacitor coupled between the input of the buffer and ground; and a third resistor coupled between the input of the buffer and the input of the circuit.

公开(公告)号：US20220385244A1

公开(公告)日：2022-12-01

申请号：US17880142

申请日：2022-08-03

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Yang Xu ,  William Bright ,  Hasibur Rahman

IPC: H03F3/04

Abstract: A circuit having an input and an output, the circuit comprising: a first amplifier having a first input, a second input and an output coupled to the output of the circuit; a first capacitor having a first terminal coupled to the first input of the first amplifier and a second terminal coupled to the output of the first amplifier; a first resistor having a first terminal coupled to the first input of the first amplifier and a second terminal; a buffer having an output coupled to the second terminal of the first resistor and an input; a second resistor having a first terminal coupled to the output of the first amplifier and a second terminal coupled to the input of the buffer; a second capacitor coupled between the input of the buffer and ground; and a third resistor coupled between the input of the buffer and the input of the circuit.

公开(公告)号：US20220200544A1

公开(公告)日：2022-06-23

申请号：US17124785

申请日：2020-12-17

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Yang Xu ,  William Bright ,  Hasibur Rahman

IPC: H03F3/04

Abstract: A circuit having an input and an output, the circuit comprising: a first amplifier having a first input, a second input and an output coupled to the output of the circuit; a first capacitor having a first terminal coupled to the first input of the first amplifier and a second terminal coupled to the output of the first amplifier; a first resistor having a first terminal coupled to the first input of the first amplifier and a second terminal; a buffer having an output coupled to the second terminal of the first resistor and an input; a second resistor having a first terminal coupled to the output of the first amplifier and a second terminal coupled to the input of the buffer; a second capacitor coupled between the input of the buffer and ground; and a third resistor coupled between the input of the buffer and the input of the circuit.

公开(公告)号：US20220368576A1

公开(公告)日：2022-11-17

申请号：US17319850

申请日：2021-05-13

Applicant: Texas Instruments Incorporated

Inventor： Hasibur Rahman ,  Yang Xu ,  Ariel Dario Moctezuma

IPC: H04L27/06 ,  H03K5/24 ,  H03F3/19 ,  H04B1/16

Abstract: An example apparatus includes: a receiver operable to receive a modulated input signal at a receiver input and output a demodulated signal at a receiver output, the receiver comprising a switch having a first current terminal and a first control terminal, the first current terminal coupled to the receiver output. The example apparatus includes a capacitor having a first terminal and a second terminal, the second terminal coupled to the first control terminal and the first terminal coupled to the receiver input. The example apparatus includes a resistor having a third terminal and a fourth terminal, the fourth terminal coupled to the first control terminal. The example apparatus includes a voltage offset source having an input and an output, the output coupled to the third terminal. The example apparatus includes a current source coupled to the first current terminal.

公开(公告)号：US11496342B1

公开(公告)日：2022-11-08

申请号：US17319850

申请日：2021-05-13

Applicant: Texas Instruments Incorporated

Inventor： Hasibur Rahman ,  Yang Xu ,  Ariel Dario Moctezuma

IPC: H04L27/06 ,  H04B1/16 ,  H03K5/24 ,  H03F3/19 ,  H03K5/00

Abstract: An example apparatus includes: a receiver operable to receive a modulated input signal at a receiver input and output a demodulated signal at a receiver output, the receiver comprising a switch having a first current terminal and a first control terminal, the first current terminal coupled to the receiver output. The example apparatus includes a capacitor having a first terminal and a second terminal, the second terminal coupled to the first control terminal and the first terminal coupled to the receiver input. The example apparatus includes a resistor having a third terminal and a fourth terminal, the fourth terminal coupled to the first control terminal. The example apparatus includes a voltage offset source having an input and an output, the output coupled to the third terminal. The example apparatus includes a current source coupled to the first current terminal.

公开(公告)号：US11444587B2

公开(公告)日：2022-09-13

申请号：US17124785

申请日：2020-12-17

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Yang Xu ,  William Bright ,  Hasibur Rahman

IPC: H03F3/04 ,  H03K5/00 ,  H03F3/45

Abstract: A circuit having an input and an output, the circuit comprising: a first amplifier having a first input, a second input and an output coupled to the output of the circuit; a first capacitor having a first terminal coupled to the first input of the first amplifier and a second terminal coupled to the output of the first amplifier; a first resistor having a first terminal coupled to the first input of the first amplifier and a second terminal; a buffer having an output coupled to the second terminal of the first resistor and an input; a second resistor having a first terminal coupled to the output of the first amplifier and a second terminal coupled to the input of the buffer; a second capacitor coupled between the input of the buffer and ground; and a third resistor coupled between the input of the buffer and the input of the circuit.