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:
Aug. 25, 2026
Filed:
Oct. 26, 2021
Radrock (Chongqing) Tech Co., Ltd., Chongqing, CN;
RadRock (Chongqing) Tech Co., Ltd., Chongqing, CN;
Abstract
Provided is a low noise amplification circuit, comprising: a RF amplification circuit, one end of which is connected with a signal input end, another end is connected with the output impedance matching circuit; an output impedance matching circuit, one end of which is connected with the RF amplification circuit, another end is connected with the attenuation network; an attenuation network, one end of which is connected with the output impedance matching circuit, another end is connected with a signal output end; a passive attenuation path, one end of which is connected with the signal input end, another end is connected with a connection node between the matching circuit and the network; and an impedance regulation network, configured to, in a first working mode, resonate with a parasitic capacitance generated by the network, in a second working mode, resonate with a parasitic capacitance generated by the network and the attenuation path.
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