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41. 发明申请

US20070290755A1 Gain-step transconductor 有权
标题翻译：增益跨导体
公开(公告)号：US20070290755A1
公开(公告)日：2007-12-20
申请号：US11471095
申请日：2006-06-20
申请人： Jing-Hong C. Zhan , Stewart S. Taylor
发明人： Jing-Hong C. Zhan , Stewart S. Taylor
IPC分类号： H03G3/30
CPC分类号： H03G1/0088
摘要： A gain-step transconductor circuit operates with multiple gain values. The gain can be stepped from one gain value to another by selecting a different signal path between an input node and an output amplifier. The output amplifier may operate as a common source amplifier or a common gate amplifier.
摘要翻译：增益级跨导电路以多个增益值运行。通过在输入节点和输出放大器之间选择不同的信号路径，增益可以从一个增益值逐步增加。输出放大器可以用作公共源放大器或公共栅极放大器。

42. 发明授权

US07292097B2 Amplifier and method for processing signals 失效
标题翻译：放大器和处理信号的方法
公开(公告)号：US07292097B2
公开(公告)日：2007-11-06
申请号：US11009299
申请日：2004-12-10
申请人： Stewart S. Taylor
发明人： Stewart S. Taylor
IPC分类号： H03F1/24
CPC分类号： H03F1/486 , H03F3/195 , H03F3/345 , H03F2200/36
摘要： In some embodiments, an apparatus includes an amplifier circuit and a bias circuit coupled to the amplifier. The amplifier circuit includes an input port and an output port, an input port circuit element coupled to the input port, an output port circuit element coupled to the output port, and an internal signal path to couple the input port circuit element to the output port circuit element. The output port is coupled to the input port, the bias circuit, and the internal signal path. In some embodiments, a method includes receiving an input signal at an input port of an amplifier, processing the input signal to produce an output signal at an output port of the amplifier, controlling bandwidth in the amplifier by feeding back the output signal to an internal signal path in the amplifier, controlling biasing in the amplifier by coupling the output signal to a bias circuit coupled to the amplifier, and controlling input impedance in the amplifier by coupling the input port to the output port through an impedance.
摘要翻译：在一些实施例中，装置包括放大器电路和耦合到放大器的偏置电路。放大器电路包括输入端口和输出端口，耦合到输入端口的输入端口电路元件，耦合到输出端口的输出端口电路元件和将输入端口电路元件耦合到输出端口的内部信号路径电路元件。输出端口耦合到输入端口，偏置电路和内部信号路径。在一些实施例中，一种方法包括在放大器的输入端口处接收输入信号，处理输入信号以在放大器的输出端口产生输出信号，通过将输出信号反馈到内部来控制放大器中的带宽放大器中的信号路径，通过将输出信号耦合到耦合到放大器的偏置电路来控制放大器中的偏置，以及通过阻抗将输入端口耦合到输出端口来控制放大器中的输入阻抗。

43. 发明授权

US07250815B2 Amplifier distortion management apparatus, systems, and methods 有权
标题翻译：放大器失真管理装置，系统和方法
公开(公告)号：US07250815B2
公开(公告)日：2007-07-31
申请号：US10786677
申请日：2004-02-25
申请人： Stewart S. Taylor , Ian A. Rippke , Georgios Palaskas
发明人： Stewart S. Taylor , Ian A. Rippke , Georgios Palaskas
IPC分类号： H03F1/36
CPC分类号： H03F1/342
摘要： An apparatus and a system, as well as a method and an article, may include detecting an indication of an amplifier output signal amplitude and responsively adjusting the amplifier input signal phase to reduce a change in the phase of the output signal.
摘要翻译：装置和系统以及方法和物品可以包括检测放大器输出信号幅度的指示并且响应地调整放大器输入信号相位以减小输出信号的相位的变化。

44. 发明授权

US06148220A Battery life extending technique for mobile wireless applications 失效
标题翻译：移动无线应用的电池寿命延长技术
公开(公告)号：US06148220A
公开(公告)日：2000-11-14
申请号：US843107
申请日：1997-04-25
申请人： Steven J. Sharp , Stewart S. Taylor , Samuel W. Hammond , Ronald R. Ruebusch
发明人： Steven J. Sharp , Stewart S. Taylor , Samuel W. Hammond , Ronald R. Ruebusch
IPC分类号： H03F3/24 , H03F1/02 , H03G3/30 , H04B1/04 , H04B7/00
CPC分类号： H03F1/0261 , H03F1/0233 , H03F1/0272 , H03G3/3036 , H03F2200/18 , H03F2200/207 , H03F2200/411
摘要： An operating voltage applied to a transmitter's power amplifier in a mobile wireless transceiver is dynamically controlled so as to improve the efficiency of the transmitter at all output power levels. In one embodiment, the bias current levels within the transmitter are also varied to optimize the efficiency of the transmitter at all output power levels. In a preferred embodiment, a highly efficient switching regulator is controlled by a control circuit to adjust the operating voltage and/or bias current for the power amplifier in the transmitter. The control circuit has as its input any of a variety of signals which reflect the actual output power of the transmitter, the desired output power, or the output voltage swing of the transmitter.
摘要翻译：动态地控制施加到移动无线收发器中的发射机功率放大器的工作电压，以便在所有输出功率电平下提高发射机的效率。在一个实施例中，发射机内的偏置电流电平也被改变以在所有输出功率电平下优化发射机的效率。在优选实施例中，高效开关调节器由控制电路控制，以调整发射机中功率放大器的工作电压和/或偏置电流。控制电路具有反映发射机的实际输出功率，所需输出功率或发射机的输出电压摆幅的各种信号作为其输入。

45. 发明授权

US5045808A Single-stage high-gain amplifier 失效
标题翻译：单级高增益放大器
公开(公告)号：US5045808A
公开(公告)日：1991-09-03
申请号：US485356
申请日：1990-02-26
申请人： Stewart S. Taylor
发明人： Stewart S. Taylor
IPC分类号： H03F1/22 , H03F3/345
CPC分类号： H03F3/3455 , H03F1/226 , H03F2200/372
摘要： A high-gain solid-state amplifier (20) includes an amplification stage including a transistor (Q.sub.1) having a current-dependent transconductance value. The transistor is operatively connected to a load resistor (R.sub.L1) through which a load current (I.sub.1) flows. The value of the load resistor together with the transconductance value affects the voltage gain of the amplifier. A resistor (R.sub.2) provides a supplemental bias current (I.sub.2) to a current summing node (A). The current summing node sums the load current and the supplemental bias current and provides the transistor with a total current (I.sub.d) that affects the transconductance value. The value of the supplemental bias current is chosen to supplement the load current to provide a predetermined total current so that the voltage gain may be adjusted by adjusting the load resistor without changing the transconductance value. Alternatively, the amplifier voltage gain may be enhanced by increasing the supplemental bias current and transistor size in a known manner while maintaining a fixed value of the load resistor.
摘要翻译：高增益固态放大器（20）包括具有依赖于电流的跨导值的晶体管（Q1）的放大级。晶体管可操作地连接到负载电流（I1）流过的负载电阻（RL1）。负载电阻的值与跨导值一起影响放大器的电压增益。电阻器（R2）向电流求和节点（A）提供补充偏置电流（I2）。电流求和节点将负载电流和补充偏置电流相加，并为晶体管提供影响跨导值的总电流（Id）。选择补偿偏置电流的值来补充负载电流以提供预定的总电流，使得可以通过在不改变跨导值的情况下调节负载电阻来调整电压增益。或者，可以通过以已知的方式增加补充偏置电流和晶体管尺寸同时保持负载电阻器的固定值来增强放大器电压增益。

46. 发明授权

US5012202A Low impedance automatic gain control circuit 失效
标题翻译：低阻抗自动增益控制电路
公开(公告)号：US5012202A
公开(公告)日：1991-04-30
申请号：US494077
申请日：1990-03-15
申请人： Stewart S. Taylor
发明人： Stewart S. Taylor
IPC分类号： H03F3/45 , H03G3/20
CPC分类号： H03G3/3084 , H03F3/082 , H03F3/45076
摘要： An optical receiver circuit for an incoming optical signal having a variable power level includes an optical detector for receiving the optical signal and generating a current therefrom which varies with the optical signal power level. The current so generated is applied to a transimpedance amplifier. An automatic gain control (AGC) drive circuit is connected around the amplifier thereby increasing its dynamic range. The AGC drive circuit drives a FET which has one side thereof connected to the transimpedance amplifier for shunting current from the input thereof. A negative feedback circuit comprising an amplifier is connected across the FET, which comprises the resistive feedback element, thus reducing the FET resistance by a factor of 1+T, where T is the feedback circuit loop gain.
摘要翻译：用于具有可变功率电平的输入光信号的光接收器电路包括用于接收光信号并从其产生电流的光检测器，其随光信号功率电平而变化。所产生的电流被施加到跨阻放大器。自动增益控制（AGC）驱动电路连接在放大器周围，从而增加其动态范围。 AGC驱动电路驱动FET，其一侧连接到跨阻放大器，用于从其输入分流电流。包括放大器的负反馈电路跨过FET连接，该FET包括电阻反馈元件，因此将FET电阻降低1 + T因子，其中T是反馈电路环路增益。

47. 发明授权

US07961056B2 Low phase noise voltage controlled oscillator 有权
标题翻译：低相位噪声压控振荡器
公开(公告)号：US07961056B2
公开(公告)日：2011-06-14
申请号：US12557369
申请日：2009-09-10
申请人： Stewart S. Taylor , Diptendu Ghosh
发明人： Stewart S. Taylor , Diptendu Ghosh
IPC分类号： H03B5/00 , H03B5/08 , H03B5/12 , H03L3/00 , H03L5/00 , H03L5/02 , H03L7/24 , H04B1/06 , H04B1/10
CPC分类号： H03L7/099 , H03B5/1212 , H03B5/1228 , H03L5/00
摘要： Embodiments of the present invention include a low phase noise oscillator circuit using a current-reuse technique to reduce power consumption and improve phase noise, where the oscillator circuit comprises a first VCO coupled to a second VCO, and the outputs of the first and second VCOs are coupled with passive elements, such as capacitors. The overall power consumption of both the first and second VCOs is about the same as a single VCO. Furthermore, the phase noise is lowered by around 3 dB. Thus, the phase noise performance is improved without increasing the power consumption of the oscillator circuit.
摘要翻译：本发明的实施例包括使用电流复用技术来降低功耗并改善相位噪声的低相位噪声振荡器电路，其中振荡器电路包括耦合到第二VCO的第一VCO，以及第一和第二VCO的输出与诸如电容器的无源元件耦合。第一和第二VCO的总功耗与单个VCO大致相同。此外，相位噪声降低约3dB。因此，在不增加振荡器电路的功耗的情况下，提高了相位噪声性能。

48. 发明申请

US20090021295A1 Dual reactive shunt low noise amplifier 失效
标题翻译：双电抗分流低噪声放大器
公开(公告)号：US20090021295A1
公开(公告)日：2009-01-22
申请号：US11879921
申请日：2007-07-19
申请人： Chang-Tsung Fu , Stewart S. Taylor
发明人： Chang-Tsung Fu , Stewart S. Taylor
IPC分类号： H04B1/10 , H02H1/00 , H03F3/60
CPC分类号： H04B1/18 , H03F1/26
摘要： A dual reactive shunt feedback low noise amplifier design may include a transconductance amplifier having a capacitor coupled across it and a pair of coupled inductors coupled across it. In one embodiment, the coupled inductors may be laid out as two overlapping coils.
摘要翻译：双电抗分流反馈低噪声放大器设计可以包括具有耦合在其上的电容器和跨过其耦合的一对耦合电感器的跨导放大器。在一个实施例中，耦合的电感器可以布置成两个重叠的线圈。

49. 发明申请

US20080297246A1 Polar amplifier 有权
标题翻译：极地放大器
公开(公告)号：US20080297246A1
公开(公告)日：2008-12-04
申请号：US11807997
申请日：2007-05-31
申请人： Stewart S. Taylor
发明人： Stewart S. Taylor
IPC分类号： H03G3/20 , H03G3/00
CPC分类号： H03F1/0216 , H04L27/361
摘要： An amplifier circuit receives a phase modulated signal at an input node. The power supply terminal of the amplifier circuit is modulated in accordance with an amplitude envelope signal. The voltage on the power supply terminal is modulated using one or more linear regulators depending on the magnitude of the envelope signal.
摘要翻译：放大器电路在输入节点处接收相位调制信号。放大器电路的电源端子根据幅度包络信号进行调制。使用一个或多个线性稳压器来调节电源端子上的电压，这取决于包络信号的幅度。

50. 发明申请

US20080218267A1 Amplifier with level shifting feedback network 有权
公开(公告)号：US20080218267A1
公开(公告)日：2008-09-11
申请号：US11714369
申请日：2007-03-05
申请人： Stewart S. Taylor , Brent Carlton
发明人： Stewart S. Taylor , Brent Carlton
IPC分类号： H03F3/45
CPC分类号： H03F3/45237 , H03F3/45475 , H03F3/4565 , H03F2200/321 , H03F2203/45082 , H03F2203/45101 , H03F2203/45434 , H03F2203/45482 , H03F2203/45526 , H03F2203/45528
摘要： An amplifier circuit includes a low noise first stage and a wide dynamic range second stage. A feedback network coupled between the output of the second stage and the input of the first stage provides DC level shifting of the common mode input voltage. The common mode input voltage is shifted to a value that allows the output of the first stage to be compatible with the input of the second stage.

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