技術摘要 / Our Technology: |
一種偏壓電路包括:電晶體,具有控制端、第一端以及耦接至接地位準之第二端;第一電阻,耦接於上述控制端;第一電容,耦接於輸入信號以及第一電阻之間;二極體,耦接於第一電容與第一電阻之連接點以及接地位準之間;第二電容,耦接於控制端以及接地位準之間;第二電阻,耦接於控制端以及接地位準之間;第三電阻,耦接於控制端以及既定電壓之間;第四電阻,耦接於既定電壓以及第一端之間;以及第五電阻,耦接於第一端以及偏壓信號之間,其中流經電晶體的電流係根據輸入信號的大小而定,並根據流經電晶體的電流產生偏壓信號。
A bias circuit includes a transistor having a control gate, a first terminal and a second terminal coupled to a ground level, a first resistor coupled to the control gate, a first capacitor coupled between an input signal and the first resistor, a diode coupled between a connection point of the first capacitor and the first resistor, and the ground level, a second capacitor coupled between the control gate and the ground level, a second resistor coupled between the control gate and the ground level, a third resistor coupled between the control gate and a predetermined voltage, a fourth resistor coupled between the predetermined voltage and the first terminal, and a fifth resistor coupled between the first terminal and a bias signal. A current through the transistor corresponds to the input signal, and the bias signal is generated according to the current through the transistor.
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專利簡述 / Intellectual Properties: |
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聯繫方式 / Contact: |
臺大產學合作總中心 / Center of Industry-Academia Collaboration, NTU |
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Email:ordiac@ntu.edu.tw |
電話/Tel:02-3366-9945 |
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