京泉華(002885.SZ):取得一項發明專利證書 為模數轉換器採樣系統及模數轉換器採樣方法
格隆匯9月12日丨京泉華(002885.SZ)公佈,公司於近日取得中華人民共和國國家知識產權局頒發的發明專利證書一項,為模數轉換器採樣系統及模數轉換器採樣方法,以上發明專利的專利權期限為二十年,自申請日起算。
該專利技術為公司自主研發,主要應用於通信電源、服務器電源及儲能電源業務的數字 DC/DC 變換器應用領域。本發明涉及一種模數轉換器採樣系統及模數轉換器採樣方法。主要是通過與驅動開關管的第一 PWM 信號存在相位差的第二 PWM 信號觸發模數轉換器進行模數轉換,使得模數轉換器採樣的時刻對應第一 PWM 信號週期內的某一固定點,從而實現模數轉換器的定點採樣。主要用來解決由於 ADC (Analog Digital Convert 模數轉換器)採樣值抖動造成的整個數字反饋環路的不穩定,使整機輸出紋波增大,系統穩定性變差等問題。
上述發明專利的取得不會對公司近期生產經營產生重大影響,但有利於公司形成持續創新機制,不斷完善知識產權保護體系,發揮公司自主知識產權優勢,進一步提升公司核心競爭力,對公司不斷開拓下游應用市場及新產品推廣產生積極的影響。
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