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1. 发明授权

US07196592B2 VCO circuit with broad tuning range and amplitude control 有权
标题翻译： VCO电路具有广泛的调谐范围和幅度控制
公开(公告)号：US07196592B2
公开(公告)日：2007-03-27
申请号：US10959117
申请日：2004-10-07
申请人： Bingxue Shi , Jiwei Chen
发明人： Bingxue Shi , Jiwei Chen
IPC分类号： H03B5/00
CPC分类号： H03L5/00 , H03B5/04 , H03B5/1212 , H03B5/1228 , H03B5/124 , H03B5/1278 , H03B2200/0038 , H03L7/099
摘要： A voltage-controlled oscillator circuit. A pair of inductors are coupled to a first power source. A pair of capacitors respectively coupled between a variable resistor and the pair of inductors in serial. A pair of first switches respectively coupled between the pair of capacitors and a second power source. The first switch of the pair has a first control gate coupled to a connection point of the other first switch and the corresponding capacitor.
摘要翻译：压控振荡电路。一对电感器耦合到第一电源。分别耦合在可变电阻器和一对电感器之间的一对电容器。分别耦合在所述一对电容器和第二电源之间的一对第一开关。该对的第一开关具有耦合到另一第一开关和对应的电容器的连接点的第一控制栅极。

2. 发明授权

US07081787B2 Analog circuit for calculating square and reciprocal of a current 有权
标题翻译：用于计算电流的平方和倒数的模拟电路
公开(公告)号：US07081787B2
公开(公告)日：2006-07-25
申请号：US10949172
申请日：2004-09-24
申请人： Bingxue Shi , Jiwei Chen
发明人： Bingxue Shi , Jiwei Chen
IPC分类号： G05F1/10
CPC分类号： H03F3/343 , G06G7/20 , H03F3/347 , H03F3/45183 , H03F2203/45264 , H03F2203/45526
摘要： An analog circuit for calculating square and reciprocal of a current is provided. It is an analog integrated circuit and can make the input and output signals become currents in the current field of the same type of analog integrated circuit. The output current can be the square or reciprocal of the input current. The square and reciprocal functions can be implemented by using three identical BJTs. Those three BJTs are independent and the bases and collectors of the BJTs are coupled to ground. Hence, the circuit can be implemented by the standard CMOS and can be applied to the other complicated system. In addition, the operational amplifier and the capacitor in the circuit are required to stabilize this circuit. This circuit has a simple structure.
摘要翻译：提供了用于计算电流的平方和倒数的模拟电路。它是一个模拟集成电路，可以使输入和输出信号变成同一类型模拟集成电路电流的电流。输出电流可以是输入电流的平方或倒数。可以通过使用三个相同的BJT来实现平方和互逆函数。这三个BJT是独立的，BJT的基地和收集者被耦合到地面。因此，电路可以通过标准CMOS实现，可以应用于其他复杂的系统。此外，电路中的运算放大器和电容器需要稳定该电路。该电路结构简单。

3. 发明授权

US07071779B2 Monolithic CMOS differential LNA with enhanced linearity 有权
标题翻译：具有增强线性度的单片CMOS差分LNA
公开(公告)号：US07071779B2
公开(公告)日：2006-07-04
申请号：US10871765
申请日：2004-06-17
申请人： Bingxue Shi , Jiwei Chen
发明人： Bingxue Shi , Jiwei Chen
IPC分类号： H03F3/45
CPC分类号： H03F3/45188 , H03F1/26 , H03F1/3211 , H03F2200/294 , H03F2200/372 , H03F2203/45296 , H03F2203/45386 , H03F2203/45652
摘要： A low noise amplifier (LNA) is provided for a first block of a wireless receiver in a wireless communication system using CMOS technology. The LNA includes a first cascode amplifying module and a second cascode amplifying module, where an output signal of the first cascode amplifying module is fed to the second cascode amplifying module in order to cancel third-order intermodulation frequencies (IM3), such that input-referred third-order intercept point (IIP3) is increased and thus linearity of the LNA is improved.
摘要翻译：在使用CMOS技术的无线通信系统中，为无线接收机的第一块提供低噪声放大器（LNA）。 LNA包括第一共源共栅放大模块和第二共源共栅放大模块，其中第一共源共栅放大模块的输出信号被馈送到第二共源共栅放大模块以便消除三阶互调频率（IM3），使得输入 - 所谓的三阶截取点（IIP3）增加，因此提高了LNA的线性度。

4. 发明申请

US20060066390A1 Analog circuit for calculating square and reciprocal of a current 有权
公开(公告)号：US20060066390A1
公开(公告)日：2006-03-30
申请号：US10949172
申请日：2004-09-24
申请人： Bingxue Shi , Jiwei Chen
发明人： Bingxue Shi , Jiwei Chen
IPC分类号： G05F1/10
CPC分类号： H03F3/343 , G06G7/20 , H03F3/347 , H03F3/45183 , H03F2203/45264 , H03F2203/45526
摘要： An analog circuit for calculating square and reciprocal of a current is provided. It is an analog integrated circuit and can make the input and output signals become currents in the current field of the same type of analog integrated circuit. The output current can be the square or reciprocal of the input current. The square and reciprocal functions can be implemented by using three identical BJTs. Those three BJTs are independent and the bases and collectors of the BJTs are coupled to ground. Hence, the circuit can be implemented by the standard CMOS and can be applied to the other complicated system. In addition, the operational amplifier and the capacitor in the circuit are required to stabilize this circuit. This circuit has a simple structure.

5. 发明申请

US20050280467A1 Monolithic CMOS differential LNA with enhanced linearity 有权
标题翻译：具有增强线性度的单片CMOS差分LNA
公开(公告)号：US20050280467A1
公开(公告)日：2005-12-22
申请号：US10871765
申请日：2004-06-17
申请人： Bingxue Shi , Jiwei Chen
发明人： Bingxue Shi , Jiwei Chen
IPC分类号： H03F1/26 , H03F1/32 , H03F3/45
CPC分类号： H03F3/45188 , H03F1/26 , H03F1/3211 , H03F2200/294 , H03F2200/372 , H03F2203/45296 , H03F2203/45386 , H03F2203/45652
摘要： A low noise amplifier (LNA) is provided for a first block of a wireless receiver in a wireless communication system using CMOS technology. The LNA includes a first cascode amplifying module and a second cascode amplifying module, where an output signal of the first cascode amplifying module is fed to the second cascode amplifying module in order to cancel third-order intermodulation frequencies (IM3), such that input-referred third-order intercept point (IIP3) is increased and thus linearity of the LNA is improved.
摘要翻译：在使用CMOS技术的无线通信系统中，为无线接收机的第一块提供低噪声放大器（LNA）。 LNA包括第一共源共栅放大模块和第二共源共栅放大模块，其中第一共源共栅放大模块的输出信号被馈送到第二共源共栅放大模块以便消除三阶互调频率（IM3），使得输入 - 所谓的三阶截取点（IIP3）增加，因此提高了LNA的线性度。

6. 发明申请

US20060077012A1 VCO circuit with board tunning range and amplitude control 有权
标题翻译： VCO电路具有电路板调谐范围和幅度控制
公开(公告)号：US20060077012A1
公开(公告)日：2006-04-13
申请号：US10959117
申请日：2004-10-07
申请人： Bingxue Shi , Jiwei Chen
发明人： Bingxue Shi , Jiwei Chen
IPC分类号： H03B1/00
CPC分类号： H03L5/00 , H03B5/04 , H03B5/1212 , H03B5/1228 , H03B5/124 , H03B5/1278 , H03B2200/0038 , H03L7/099
摘要： A voltage-controlled oscillator circuit. A pair of inductors are coupled to a first power source. A pair of capacitors respectively coupled between a variable resistor and the pair of inductors in serial. A pair of first switches respectively coupled between the pair of capacitors and a second power source. The first switch of the pair has a first control gate coupled to a connection point of the other first switch and the corresponding capacitor.
摘要翻译：压控振荡电路。一对电感器耦合到第一电源。分别耦合在可变电阻器和一对电感器之间的一对电容器。分别耦合在所述一对电容器和第二电源之间的一对第一开关。该对的第一开关具有耦合到另一第一开关和对应的电容器的连接点的第一控制栅极。

7. 发明授权

US07026880B2 Quadrature VCO using symmetrical spiral inductors and differential varactors 有权
标题翻译：使用对称螺旋电感和差动变容二极管的正交VCO
公开(公告)号：US07026880B2
公开(公告)日：2006-04-11
申请号：US10846712
申请日：2004-05-13
申请人： Bingxue Shi , Baoyong Chi
发明人： Bingxue Shi , Baoyong Chi
IPC分类号： H03B5/02
CPC分类号： H03B27/00 , H03B5/1215 , H03B5/1228 , H03B5/1243 , H03B5/1293 , H03B2201/0208
摘要： A quadrature VCO includes two cross-coupled differential pairs, two parallel LC tank circuits, two LO units and a plurality of source followers, supplying by a tail current source and a tail capacitor. The LC tank circuit constitutes of symmetrical spiral inductors and differential varactors, which constitutes of common anode diodes. The quadrature VCO circuitry is implemented on a chip with 2.4 GHz operating frequency. The quadrature VCO generates quadrature LO signals with high phase accuracy and good gain match under low power, good phase noise and small chip area, thus it can be applied to a variety of integrated transceivers.
摘要翻译：正交VCO包括两个交叉耦合差分对，两个并联LC谐振电路，两个LO单元和多个源跟随器，由尾电流源和尾电容器提供。 LC谐振电路由对称的螺旋电感器和微分可变电抗器组成，构成常见的阳极二极管。正交VCO电路在2.4GHz工作频率的芯片上实现。正交VCO产生具有高相位精度的正交LO信号，在低功率，良好的相位噪声和小芯片面积下具有良好的增益匹配，因此可以应用于各种集成收发器。

8. 发明授权

US06754645B2 Voltage-mode pulse width modulation VLSI implementation of neural networks 有权
标题翻译：电压模式脉宽调制VLSI实现神经网络
公开(公告)号：US06754645B2
公开(公告)日：2004-06-22
申请号：US09812982
申请日：2001-03-20
申请人： Bingxue Shi , Chun Lu
发明人： Bingxue Shi , Chun Lu
IPC分类号： G06F1518
CPC分类号： G06N3/063
摘要： A voltage-mode pulse width modulation (PWM) VLSI implementation of neural networks, comprising: a voltage-pulse converter for converting an input voltage into a neuron-state pulse; a synapse multiplier, including a multiplier cell for multiplying the neuron-state pulse by an input weight voltage and an integral and summation cell for integrating and summing up the multiplied output and producing a first output voltage; and a sigmoid circuit for converting the first output voltage into a second output voltage with the non-linear activation function of neuron.
摘要翻译：一种神经网络的电压模式脉宽调制（PWM）VLSI实现，包括：用于将输入电压转换为神经元状态脉冲的电压 - 脉冲转换器; 突触乘法器，包括用于将神经元状态脉冲乘以输入权重电压的乘法器单元和用于对乘法输出进行积分和求和并产生第一输出电压的积分和求和单元; 以及用于将第一输出电压转换成具有神经元的非线性激活功能的第二输出电压的S形电路。

9. 发明授权

US06429699B1 Generator of neuron transfer function and its derivative 有权
标题翻译：神经元传递函数的发生器及其衍生
公开(公告)号：US06429699B1
公开(公告)日：2002-08-06
申请号：US09741447
申请日：2000-12-19
申请人： Bingxue Shi , Chun Lu
发明人： Bingxue Shi , Chun Lu
IPC分类号： H02M1100
CPC分类号： G06N3/0481
摘要： This invention relates to an artificial neural network (ANN), particularly to a neuron circuit and its activation function including the derivative. The neuron circuit capable of generating an adjustable sigmoid-like function and a good approximation of its derivative, comprises: a current generator for generating a current; a current-controlled transistor for changing an output voltage according to the current from the current generator; and at least one differential pair of transistors for generating the adjustable sigmoid-like function output and the good approximation of its derivative by the changed output voltage.
摘要翻译：本发明涉及一种人造神经网络（ANN），特别涉及一种神经元电路及其激活功能，包括该导数。能够产生可调节的S形函数和其导数的良好近似的神经元电路包括：用于产生电流的电流发生器; 用于根据来自电流发生器的电流改变输出电压的电流控制晶体管; 以及用于产生可调节的S形函数输出的至少一个差分对晶体管，以及通过改变的输出电压对其导数的良好近似。

10. 发明授权

US6118307A Switched capacitor sorter based on magnitude 有权
标题翻译：开关电容器分选器基于幅度
公开(公告)号：US6118307A
公开(公告)日：2000-09-12
申请号：US257719
申请日：1999-03-02
申请人： Bingxue Shi , Gu Lin
发明人： Bingxue Shi , Gu Lin
IPC分类号： G06G7/26 , G01R19/00
CPC分类号： G06G7/26
摘要： A switched capacitor sorter based on magnitude includes a plurality of input units, a winner-take-all (WTA) circuit for finding a maximum voltage level, and an output unit. A plurality of input voltages are simultaneously input to the respective input units, and the sorted results are output in a time-shared manner.
摘要翻译：基于幅度的开关电容器分选器包括多个输入单元，用于找到最大电压电平的获胜者全部（WTA）电路和输出单元。多个输入电压被同时输入到各个输入单元，并且分类的结果以时间共享的方式被输出。

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