专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2007130442A3 SYSTEM AND METHOD FOR GENERATING LOCAL OSCILLATOR (LO) SIGNALS FOR A QUADRATURE MIXER 审中-公开
标题翻译：用于产生一个平衡混频器的本地振荡器（LO）信号的系统和方法
公开(公告)号：WO2007130442A3
公开(公告)日：2009-04-09
申请号：PCT/US2007010612
申请日：2007-05-03
申请人： SKYWORKS SOLUTIONS INC , PULLELA RAJASEKHAR , SOWLATI TIRDAD , ROZENBLIT DMITRIY
发明人： PULLELA RAJASEKHAR , SOWLATI TIRDAD , ROZENBLIT DMITRIY
IPC分类号： H03B1/00 , H03B19/00 , H03H11/16 , H03K3/00 , H03K5/13 , H03K21/00 , H03K23/00 , H03K25/00
CPC分类号： H04B1/30 , H03B19/00 , H03B27/00
摘要： A system for generating local oscillator (LO) signals for a quadrature mixer includes an oscillator configured to provide a reference frequency signal, at least one frequency divider configured to divide the reference frequency signal into three offset phase signals, a first summing circuit configured to generate two nominal 90 degree offset phase signals from the three offset phase signals, and a second summing circuit configured to generate at least two amplitude-corrected 90 degree offset-phase quadrature signals.
摘要翻译：一种用于产生用于正交混频器的本地振荡器（LO）信号的系统，包括配置成提供参考频率信号的振荡器，至少一个分频器，被配置为将参考频率信号分成三个偏移相位信号，第一求和电路被配置为产生来自三个偏移相位信号的两个标称90度偏移相位信号，以及被配置为产生至少两个幅度校正的90度偏移相位正交信号的第二求和电路。

2. 发明申请

WO2007030369A3 LOW NOISE MIXER 审中-公开
标题翻译：低噪音混合器
公开(公告)号：WO2007030369A3
公开(公告)日：2007-07-12
申请号：PCT/US2006033960
申请日：2006-08-31
申请人： SKYWORKS SOLUTIONS INC , PULLELA RAJASEKHAR , SOWLATI TIRDAD , ROZENBLIT DMITRIY
发明人： PULLELA RAJASEKHAR , SOWLATI TIRDAD , ROZENBLIT DMITRIY
IPC分类号： H04L12/26
CPC分类号： H04B1/28 , H03D7/1433 , H03D7/1441 , H03D7/1458 , H03D7/1466 , H03D7/165 , H03D2200/0019 , H03D2200/0084
摘要： A low noise mixer comprises a first mixer core configured to receive a radio frequency (RF) input signal having an RF frequency, and a first local oscillator signal, wherein the first local oscillator signal is at a frequency that is nominally twice the frequency of the RF frequency, the first mixer core configured to switch the RF input signal to at least one secondary mixer core at a frequency that coincides with the frequency of the first local oscillator signal, the at least one secondary mixer core configured to receive the switched RF input signal and a second local oscillator signal, where the second local oscillator signal is at the same nominal frequency as the RF input signal, and wherein switching the RF input signal at the frequency of the first local oscillator signal substantially eliminates flicker noise associated with the down- conversion process.
摘要翻译：低噪声混频器包括被配置为接收具有RF频率的射频（RF）输入信号和第一本地振荡器信号的第一混频器核心，其中第一本地振荡器信号的频率是标称频率为 RF频率，所述第一混频器核心被配置为以与所述第一本机振荡器信号的频率一致的频率将所述RF输入信号切换到至少一个辅助混频器内核，所述至少一个辅助混频器核心被配置为接收所述切换的RF输入信号和第二本地振荡器信号，其中第二本机振荡器信号处于与RF输入信号相同的标称频率，并且其中以第一本地振荡器信号的频率切换RF输入信号基本上消除与下降相关联的闪烁噪声 - 转换过程。

3. 发明申请

WO2007038482A3 DIRECT CONVERSION RECEIVER HAVING A SUBHARMONIC MIXER 审中-公开
标题翻译：直接转换接收器具有亚音频混合器
公开(公告)号：WO2007038482A3
公开(公告)日：2007-12-13
申请号：PCT/US2006037420
申请日：2006-09-26
申请人： SKYWORKS SOLUTIONS INC , SOWLATI TIRDAD , PULLELA RAJASEKHAR , ROZENBLIT DMITRIY
发明人： SOWLATI TIRDAD , PULLELA RAJASEKHAR , ROZENBLIT DMITRIY
IPC分类号： H04B1/26
CPC分类号： H04B1/30
摘要： A differential radio frequency (RF) receiver includes a fully differential direct conversion receive chain, a subharmonic mixer in the receive chain, the subharmonic mixer configured to receive a differential radio frequency (RF) input signal and a local oscillator (LO) signal that is phase-shifted by a nominal 45 degrees, and a synthesizer having a voltage controlled oscillator and having at least one frequency divider to generate desired receive LO signals.
摘要翻译：差分射频（RF）接收器包括全差分直接转换接收链，接收链中的次谐波混频器，次谐波混频器被配置为接收差分射频（RF）输入信号和本地振荡器（LO）信号，该本地振荡器以标称45度相移，以及具有压控振荡器并具有至少一个分频器的合成器，以产生期望的接收LO信号。

4. 发明申请

WO2007038484A3 VARIABLE GAIN FREQUENCY MULTIPLIER 审中-公开
标题翻译：可变增益频率乘法器
公开(公告)号：WO2007038484A3
公开(公告)日：2007-10-04
申请号：PCT/US2006037425
申请日：2006-09-26
申请人： SKYWORKS SOLUTIONS INC , ROZENBLIT DMITRIY , PULLELA RAJASEKHAR , SOWLATI TIRDAD , TADJPOUR SHAHRZAD
发明人： ROZENBLIT DMITRIY , PULLELA RAJASEKHAR , SOWLATI TIRDAD , TADJPOUR SHAHRZAD
IPC分类号： H04B1/16
CPC分类号： H03B21/02 , H03F1/02 , H03F3/24 , H03G3/3047 , H04B2001/045
摘要： A variable gain frequency multiplier comprises a multiplier circuit and a control circuit configured to receive a power control signal, the power control signal being proportional to a power output signal.
摘要翻译：可变增益倍频器包括乘法器电路和被配置为接收功率控制信号的控制电路，功率控制信号与功率输出信号成比例。

5. 发明申请

WO2007038483A3 SINGLE CHIP GSM/EDGE TRANSCEIVER ARCHITECTURE WITH CLOSED LOOP POWER CONTROL 审中-公开
标题翻译：单芯片GSM / EDGE收发器架构，具有闭环功率控制
公开(公告)号：WO2007038483A3
公开(公告)日：2007-06-28
申请号：PCT/US2006037421
申请日：2006-09-26
申请人： SKYWORKS SOLUTIONS INC , ROZENBLIT DMITRIY , SOWLATI TIRDAD , PULLELA RAJASEKHAR
发明人： ROZENBLIT DMITRIY , SOWLATI TIRDAD , PULLELA RAJASEKHAR
IPC分类号： H04M1/00
CPC分类号： H03B19/14 , H03G3/3047 , H03L7/081 , H03L7/087 , H03L7/0992 , H03L7/1978 , H03L7/23
摘要： A single chip GSM/EDGE transceiver comprises a fully differential receive chain, a subharmonic mixer in the receive chain, the subharmonic mixer configured to receive a radio frequency (RF) input signal and a local oscillator (LO) signal that is phase-shifted by a nominal 45 degrees, and a synthesizer having a voltage controlled oscillator and having at least one frequency divider to generate desired transmit and receive LO signals. The transceiver also comprises a transmitter having a closed power control loop, and a harmonic rejection modulator, the use thereof made possible by a frequency plan designed to allow the synthesizer to develop the transmit and receive LO signals without a frequency multiplier.
摘要翻译：单芯片GSM / EDGE收发器包括完全差分接收链，接收链中的次谐波混频器，次谐波混频器被配置为接收射频（RF）输入信号和本地振荡器（LO）信号，该信号被相移一个标称45度的合成器，以及具有压控振荡器并具有至少一个分频器以产生所需发射和接收LO信号的合成器。收发器还包括具有闭合功率控制回路和谐波抑制调制器的发射机，其使用通过设计成允许合成器在没有倍频器的情况下开发发射和接收LO信号的频率计划成为可能。

6. 发明申请

WO2006121946A3 AMPLITUDE CALIBRATION ELEMENT FOR AN ENHANCED DATA RATES FOR GSM EVOLUTION (EDGE) POLAR LOOP TRANSMITTER 审中-公开
标题翻译：用于GSM演进（EDGE）极环路发射机的增强数据速率的幅度校准单元
公开(公告)号：WO2006121946A3
公开(公告)日：2009-04-30
申请号：PCT/US2006017571
申请日：2006-05-05
申请人： SKYWORKS SOLUTIONS INC , BALTEANU FLORINEL G , GHEORGHE IONEL , PULLELA RAJASEKHAR , SOWLATI TIRDAD
发明人： BALTEANU FLORINEL G , GHEORGHE IONEL , PULLELA RAJASEKHAR , SOWLATI TIRDAD
IPC分类号： H04B1/02
CPC分类号： H04B1/0475 , H03F1/02 , H03F1/34 , H03F3/24 , H03G3/3042 , H04B2001/0433 , H04B2001/045
摘要： An amplitude calibration element comprises a linear driver configured to receive the output of a modulator, the modulator output comprising a voltage signal having an amplitude modulated (AM) portion, a differential detector configured to receive an output of the linear driver and develop a differential signal corresponding to the AM portion, and a differential comparator configured to receive the output of the differential detector and a differential reference signal, the differential comparator configured to develop a gain control signal to control the gain of the linear driver.
摘要翻译：幅度校准元件包括被配置为接收调制器的输出的线性驱动器，所述调制器输出包括具有幅度调制（AM）部分的电压信号，差分检测器被配置为接收线性驱动器的输出并产生差分信号对应于AM部分，以及差分比较器，被配置为接收差分检测器的输出和差分参考信号，差分比较器被配置为产生增益控制信号以控制线性驱动器的增益。

7. 发明申请

WO2007133466A3 SYSTEM AND METHOD FOR SATURATION DETECTION AND COMPENSATION IN A POLAR TRANSMITTER 审中-公开
标题翻译：用于饱和传感器中的饱和度检测和补偿的系统和方法
公开(公告)号：WO2007133466A3
公开(公告)日：2008-08-28
申请号：PCT/US2007010731
申请日：2007-05-03
申请人： SKYWORKS SOLUTIONS INC , ROZENBLIT DMITRIY , SOWLATI TIRDAD , AGAHI DARIOUSH , DAMGAARD MORTEN
发明人： ROZENBLIT DMITRIY , SOWLATI TIRDAD , AGAHI DARIOUSH , DAMGAARD MORTEN
IPC分类号： H01Q11/12
CPC分类号： H03G3/3047
摘要： A system for saturation detection and compensation in a power amplifier includes a power amplifier, a closed power control loop configured to develop a power control signal (V PC ), a comparator configured to receive the power control signal and a reference signal, the comparator also configured to determine whether the power amplifier is operating in a saturation mode, and power control circuitry configured to reduce the power control signal if the power amplifier is operating in a saturation mode.
摘要翻译：功率放大器中的饱和检测和补偿系统包括：功率放大器，被配置为开发功率控制信号的闭合功率控制回路;配置成接收功率控制信号的比较器;以及参考信号，所述比较器还被配置为确定所述功率放大器是否工作在饱和模式;以及功率控制电路，其被配置为如果所述功率放大器在饱和模式下工作，则降低所述功率控制信号。

8. 发明申请

WO2006127714A3 DUAL VOLTAGE REGULATOR FOR A SUPPLY VOLTAGE CONTROLLED POWER AMPLIFIER IN A CLOSED POWER CONTROL LOOP 审中-公开
标题翻译：关闭功率控制环路中供电电压控制功率放大器的双电压稳压器
公开(公告)号：WO2006127714A3
公开(公告)日：2007-12-21
申请号：PCT/US2006019928
申请日：2006-05-23
申请人： SKYWORKS SOLUTIONS INC , ROZENBLIT DMITRIY , SOWLATI TIRDAD
发明人： ROZENBLIT DMITRIY , SOWLATI TIRDAD
IPC分类号： H04B15/00
CPC分类号： H03F1/0233 , H03F1/02 , H03F1/0205 , H03F3/24 , H03F2200/207 , H03F2200/504 , H04B2001/045
摘要： A supply voltage controlled power amplifier that comprises a power amplifier, a closed power control feedback loop configured to generate a power control signal, and a dual voltage regulator coupled to the power control feedback loop, the dual voltage regulator comprising a first regulator stage and a second regulator stage, wherein the closed power control loop minimizes noise generated by the first regulator stage.
摘要翻译：一种电源电压控制功率放大器，包括功率放大器，被配置为产生功率控制信号的闭合功率控制反馈回路，以及耦合到功率控制反馈回路的双电压调节器，所述双电压调节器包括第一调节器级和第二调节器级，其中闭合功率控制回路最小化由第一调节器级产生的噪声。

9. 发明申请

WO2007133454A3 SYSTEM AND METHOD FOR SATURATION DETECTION, CORRECTION AND RECOVERY IN A POLAR TRANSMITTER 审中-公开
标题翻译：用于饱和检测，偏振发射器中的校正和恢复的系统和方法
公开(公告)号：WO2007133454A3
公开(公告)日：2008-09-12
申请号：PCT/US2007010605
申请日：2007-05-03
申请人： SKYWORKS SOLUTIONS INC , ROZENBLIT DMITRIY , SOWLATI TIRDAD , AGAHI DARIOUSH
发明人： ROZENBLIT DMITRIY , SOWLATI TIRDAD , AGAHI DARIOUSH
IPC分类号： H01Q11/12
CPC分类号： H04B1/0475 , H03F1/32 , H03F1/34 , H03F3/189 , H03F3/24 , H03F2200/438 , H03G3/3047 , H04B2001/0433
摘要： A system for saturation detection, correction and recovery in a power amplifier includes a power amplifier, a closed power control loop configured to develop a power control signal (Vpc), and power control circuitry configured to reduce the power control signal if the power amplifier is operating in a saturation mode.
摘要翻译：功率放大器中的饱和度检测，校正和恢复系统包括：功率放大器，配置成开发功率控制信号（Vpc）的闭合功率控制回路;以及功率控制电路，其被配置为如果功率放大器为在饱和模式下工作。

10. 发明申请

WO2008008176A3 POLAR TRANSMITTER HAVING A DYNAMICALLY CONTROLLED VOLTAGE REGULATOR AND METHOD FOR OPERATING SAME 审中-公开
标题翻译：具有动态控制电压调节器的极性发射器及其操作方法
公开(公告)号：WO2008008176A3
公开(公告)日：2008-04-10
申请号：PCT/US2007014857
申请日：2007-06-27
申请人： SKYWORKS SOLUTIONS INC , ROZENBLIT DMITRIY , SOWLATI TIRDAD , DAMGAARD MORTEN , AGAHI DARIOUSH
发明人： ROZENBLIT DMITRIY , SOWLATI TIRDAD , DAMGAARD MORTEN , AGAHI DARIOUSH
IPC分类号： H02J3/12
CPC分类号： H04B1/04 , H03F1/0227 , H03G3/3047 , H04B2001/0416 , H04W52/367 , H04W52/52
摘要： A supply voltage controlled power amplifier includes a power amplifier, a closed power control loop configured to generate a power control signal, and a voltage regulator coupled to the power control loop, the voltage regulator including a first regulator stage, a second regulator stage, and a peak detector, wherein an output of the second regulator stage is applied as a feedback signal to the first regulator stage and wherein an output of the first regulator stage is decreased to a level consistent with an output of the power amplifier and an additional operating buffer amount.
摘要翻译：电源电压控制功率放大器包括功率放大器，被配置为产生功率控制信号的闭合功率控制回路和耦合到功率控制回路的电压调节器，所述电压调节器包括第一调节器级，第二调节器级和峰值检测器，其中将第二调节器级的输出作为反馈信号施加到第一调节器级，并且其中第一调节器级的输出减小到与功率放大器的输出和附加操作缓冲器一致的电平量。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式