Title:
AUDIO AMPLIFICATION CIRCUIT, BOARD CARD, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/082862
Kind Code:
A1
Abstract:
An audio amplification circuit (1), a board card, and an electronic device. The circuit (1) comprises: a boost module (11) and an audio amplifier (12), wherein the audio amplifier (12) comprises a preceding-stage module (121) and a post-stage module (122); an input end of the boost module (11) is connected to a power supply, an output end of the boost module (11) is connected to an input end of the preceding-stage module (121), and an input end of the post-stage module (122) is connected to the power supply; and the boost module (11) is used for boosting, when the voltage value of a received first voltage signal of the power supply is less than a first preset voltage value, the first voltage signal so as to obtain a second voltage signal, the voltage value of which is a second preset voltage value, and sending the second voltage signal to the input end of the preceding-stage module (121), wherein the second preset voltage value is not less than the first preset voltage value. By means of the above circuit (1), the power loss is reduced.
Inventors:
ZHU CHEN (CN)
ZHANG CHENGXU (CN)
ZHANG CHENGXU (CN)
Application Number:
PCT/CN2023/117502
Publication Date:
April 25, 2024
Filing Date:
September 07, 2023
Export Citation:
Assignee:
HONOR DEVICE CO LTD (CN)
International Classes:
H03F1/30
Attorney, Agent or Firm:
PATENTSINO IP FIRM (CN)
Download PDF:
Previous Patent: CLOUD STORAGE SCHEDULING SYSTEM APPLIED TO VIDEO MONITORING
Next Patent: IMAGE PROCESSING METHOD AND ELECTRONIC DEVICE
Next Patent: IMAGE PROCESSING METHOD AND ELECTRONIC DEVICE