Invention Grant
- Patent Title: Delta-sigma loop filters with input feedforward
-
Application No.: US16149746Application Date: 2018-10-02
-
Publication No.: US10784891B2Publication Date: 2020-09-22
- Inventor: Omid Rajaee , Rahim Bagheri , Saeed Pourbagheri , Mohammad Mehrjoo , Mahdi Bagheri , Edwin Chiem , Jun Wang
- Applicant: Microchip Technology Incorporated
- Applicant Address: US AZ Chandler
- Assignee: Microchip Technology Incorporated
- Current Assignee: Microchip Technology Incorporated
- Current Assignee Address: US AZ Chandler
- Agency: TraskBritt
- Main IPC: H03M3/00
- IPC: H03M3/00 ; H03H19/00 ; H04B1/38

Abstract:
Various embodiments relate to delta-sigma loop filters with input feedforward. A delta-sigma loop filter may include a first integrator and a quantizer having an input coupled to an output of the first integrator. The delta-sigma loop filter may further include a first summing node having an output coupled to an input of the first integrator. Further, the delta-sigma loop filter may include a feedforward path from an input of the delta-sigma loop filter to a first input of the first summing node. The delta-sigma loop filter may also include a first feedback path from an output of the quantizer to a second input of the first summing node.
Information query