Patent · US Active

Multiple feedback filter

US12057814B2 · kind B2 · utility

0Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 2022
Grant dateAug 6, 2024
Priority date
Expiry dateOct 1, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H11/1286
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

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.

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