The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2026
Filed:
Feb. 28, 2022
Sanechips Technology Co., Ltd., Shenzhen, CN;
SANECHIPS TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
Disclosed are a signal processing circuit, a chip, a circuit board assembly and a radio-frequency transceiver, where the signal processing circuit may include a resistor array, a mixer, an ADC, a DAC and an amplifier. The resistor array has an output end connected to an input end of the mixer, and the ADC has an output end connected to an input end of the DAC; the resistor array has an input end connected to an input end of the ADC, an RF signal input end is formed at a connection of the input end of the resistor array and the input end of the ADC; the mixer has an output end connected to an output end of the DAC, and a residual signal output end for outputting a residual signal is formed at a connection of the output end of the mixer and the output end of the DAC.