| 发明名称 | Differential amplifying circuit | ||
| 摘要 | A differential amplifying circuit includes: two metal oxide semiconductor transistors to form a differential pair and receive a differential signal; a plurality of capacitance elements coupled in series between drains of the two metal oxide semiconductor transistors; and an inductance circuit coupled between at least one connection node of the plurality of capacitance elements and a bias power terminal. | ||
| 申请公布号 | US8810315(B2) | 申请公布日期 | 2014.08.19 |
| 申请号 | US201213446698 | 申请日期 | 2012.04.13 |
| 申请人 | Fujitsu Limited | 发明人 | Shirai Noriaki |
| 分类号 | H03F3/45 | 主分类号 | H03F3/45 |
| 代理机构 | Arent Fox LLP | 代理人 | Arent Fox LLP |
| 主权项 | 1. A differential amplifying circuit comprising: two metal oxide semiconductor transistors to form a differential pair and receive a differential signal; a plurality of capacitance elements coupled in series between drains of the two metal oxide semiconductor transistors; and an inductance circuit coupled between at least one connection node of the plurality of capacitance elements and a bias power terminal, wherein an inductance value of the inductance circuit is variable, wherein the inductance circuit includes a plurality of inductance elements and a switching circuit to select at least one of the plurality of inductance elements. | ||
| 地址 | Kawasaki JP | ||