设计了一种新型高性能Class AB开关电流(SI)第一代存储单元电路。电路由对称的电压反转跟随器(FVF)连接Class AB SI存储单元组成,输入级采用电流传输器结构,输出级采用可调共源共栅结构,电路具有误差小、功耗低、性能高等特点。基于此...设计了一种新型高性能Class AB开关电流(SI)第一代存储单元电路。电路由对称的电压反转跟随器(FVF)连接Class AB SI存储单元组成,输入级采用电流传输器结构,输出级采用可调共源共栅结构,电路具有误差小、功耗低、性能高等特点。基于此存储单元,设计了延时器和双线性积分器进行验证。电路采用SMIC 0.18μm工艺,在Spectre中进行仿真。结果表明,该存储单元具有较好的性能和应用价值。展开更多
A novel matching cell circuitry using charge transfer circuit technique for high precision correlation calculation is presented.The cell calculates the absolute value of the difference between two analog input volt...A novel matching cell circuitry using charge transfer circuit technique for high precision correlation calculation is presented.The cell calculates the absolute value of the difference between two analog input voltages and amplifies the result.Amplification gain can be designed by the capacitance size in the cell and threshold voltage mismatch can be canceled automatically,thus high precision operation of the circuit is achieved.The circuit can be operated with low power dissipation of about 12μW at a frequency of 50MHz.Because of its simple structure and small silicon area,the matching cell is suitable to realize the correlation dealing with many template vectors that have many elements in a chip.展开更多
文摘设计了一种新型高性能Class AB开关电流(SI)第一代存储单元电路。电路由对称的电压反转跟随器(FVF)连接Class AB SI存储单元组成,输入级采用电流传输器结构,输出级采用可调共源共栅结构,电路具有误差小、功耗低、性能高等特点。基于此存储单元,设计了延时器和双线性积分器进行验证。电路采用SMIC 0.18μm工艺,在Spectre中进行仿真。结果表明,该存储单元具有较好的性能和应用价值。
文摘A novel matching cell circuitry using charge transfer circuit technique for high precision correlation calculation is presented.The cell calculates the absolute value of the difference between two analog input voltages and amplifies the result.Amplification gain can be designed by the capacitance size in the cell and threshold voltage mismatch can be canceled automatically,thus high precision operation of the circuit is achieved.The circuit can be operated with low power dissipation of about 12μW at a frequency of 50MHz.Because of its simple structure and small silicon area,the matching cell is suitable to realize the correlation dealing with many template vectors that have many elements in a chip.
