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发明公开
CN106031028A 混合跨导放大器 有权

混合跨导放大器
摘要：
混合跨导放大器具有包括第一和第二增益晶体管的至少一个增益级，电耦合到所述第一增益晶体管的至少一个第一负载晶体管和电耦合到所述第二增益晶体管的至少第二负载晶体管，和电耦合到负载晶体管的负载电阻。具有可选增益的混合跨导放大器具有包括至少第一和第二负载晶体管的第一混合跨导放大器单元，每个负载晶体管具有负载电阻器，具有至少具有第三、第四、第五和第六负载晶体管的至少一个附加的混合跨导放大器单元，每个负载晶体管具有负载电阻器，电耦合到放大器单元的至少两个开关以允许选择放大器单元中的一个，并具有相应于选择的放大器单元的增益的差分输出信号。
摘要（英）：

A hybrid, translinear amplifier has at least one gain stage including first and second gain transistors, at least a first load transistor electrically coupled to the first gain transistor and at least a second load transistor electrically coupled to the second gain transistor, and load resistors electrically coupled to the load transistors. A hybrid, translinear amplifier with selectable gain has a first hybrid, translinear amplifier cell having at least first and second load transistors, each load transistor having a load resistor, at least one additional hybrid, translinear amplifier cell having at least third, fourth, fifth and sixth load transistors, each load transistor having a load resistor, at least two switches electrically coupled to the amplifier cells to allow selection of one of the amplifier cells, and a differential output signal having a gain corresponding to a selected amplifier cell.

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