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

WO2007038484A2 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：WO2007038484A2
公开(公告)日：2007-04-05
申请号：PCT/US2006/037425
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： H04B1/28 , H04M1/00 , H04B1/44
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。

2. 发明申请

WO2012075436A3 SYSTEMS AND METHODS FOR POWER CONTROL IN A MULTIPLE STANDARD MOBILE TRANSMITTER 审中-公开
公开(公告)号：WO2012075436A3
公开(公告)日：2012-06-07
申请号：PCT/US2011/063143
申请日：2011-12-02
申请人： SKYWORKS SOLUTIONS, INC. , ROZENBLIT, Dmitriy , KAHRIZI, Masoud , KOMAILI, Jaleh , PULLELA, Rajasekhar , TADJPOUR, Shahrzad
发明人： ROZENBLIT, Dmitriy , KAHRIZI, Masoud , KOMAILI, Jaleh , PULLELA, Rajasekhar , TADJPOUR, Shahrzad
IPC分类号： H04W52/52 , H04W52/08 , H04B1/04
摘要： A transmitter adjusts a transmitted power level by modifying a control input of a variable gain amplifier. A power amplifier control system includes an envelope extractor, an error extractor, and a feed-forward multiplier. The envelope extractor receives data signal inputs and computes the envelope of the combined signal. The error extractor generates an error signal as a function of the combined signal and the output power generated by the power amplifier. The feed-forward multiplier generates a modified error signal that is responsive to a function of the gain in a feedback path. A corresponding method for controlling a power level is also disclosed. In some embodiments, a transmit chain with a power control loop is used to adjust the transmit signal power applied at an input of a variable gain amplifier. A corresponding method for adjusting the transmit signal power level is also included.

3. 发明申请

WO2007130442A2 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：WO2007130442A2
公开(公告)日：2007-11-15
申请号：PCT/US2007/010612
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： H04B7/00
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。

4. 发明申请

WO2008054673A1 SYSTEM AND METHOD FOR CLOSED LOOP POWER CONTROL CALIBRATION 审中-公开
标题翻译：闭环功率控制校准的系统和方法
公开(公告)号：WO2008054673A1
公开(公告)日：2008-05-08
申请号：PCT/US2007/022632
申请日：2007-10-25
申请人： SKYWORKS SOLUTIONS, INC. , ROZENBLIT, Dmitriy , SOWLATI, Tirdad , KOH, Dongsoo, Daniel , PULLELA, Rajasekhar
发明人： ROZENBLIT, Dmitriy , SOWLATI, Tirdad , KOH, Dongsoo, Daniel , PULLELA, Rajasekhar
IPC分类号： H04B1/04 , H04L27/26
CPC分类号： H03G3/3047 , H03G3/3042 , H04B17/21 , H04B2001/0416 , H04W52/06
摘要： A system for calibrating a closed power control loop includes an adder configured to inject a test signal into an adjustable element, a first peak detector configured to determine an amplitude of the injected test signal, a second peak detector configured to determine an amplitude of a return test signal, a comparator configured to determine the difference between the injected test signal and the return test signal, and a calibration engine configured to adjust the adjustable element so that the return test signal is offset from the injected test signal by a predetermined amount.
摘要翻译：用于校准闭合功率控制回路的系统包括被配置为将测试信号注入到可调元件中的加法器，被配置为确定注入的测试信号的幅度的第一峰值检测器，被配置为确定返回幅度的第二峰值检测器测试信号，比较器，被配置为确定注入的测试信号与返回测试信号之间的差异;以及校准引擎，被配置为调整可调节元件，使得返回测试信号偏离注入的测试信号预定量。

5. 发明申请

WO2007038483A2 SINGLE CHIP GSM/EDGE TRANSCEIVER ARCHITECTURE WITH CLOSED LOOP POWER CONTROL 审中-公开
标题翻译：具有闭环功率控制的单芯片GSM / EDGE收发器架构
公开(公告)号：WO2007038483A2
公开(公告)日：2007-04-05
申请号：PCT/US2006/037421
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： H04B1/28 , H04M1/00 , H04B1/44
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收发器包括全差分接收链，接收链中的次谐波混频器，被配置为接收射频（RF）输入信号的分谐波混频器和本地振荡器（LO ）信号相移标称45度，合成器具有压控振荡器并具有至少一个分频器以产生期望的发送和接收LO信号。该收发器还包括具有闭合功率控制环路和谐波抑制调制器的发射机，其使用可以通过频率计划实现，所述频率计划被设计为允许合成器在没有倍频器的情况下产生发射和接收LO信号。

6. 发明申请

WO2007030369A2 LOW NOISE MIXER 审中-公开
标题翻译：低噪声混合器
公开(公告)号：WO2007030369A2
公开(公告)日：2007-03-15
申请号：PCT/US2006/033960
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： H04B1/26 , H04B15/00
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处于频率其标称频率是RF频率的两倍，第一混频器核心被配置为以与第一本地振荡器信号的频率一致的频率将RF输入信号切换到至少一个次级混频器核心，至少一个次级混频器其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，其中所述第二本地振荡器信号处于与所述RF输入信号相同的标称频率，并且其中在所述第一本地振荡器信号的所述频率处切换所述RF输入信号基本上消除了与下变换过程相关的闪烁噪声。

7. 发明申请

WO2007038482A2 DIRECT CONVERSION RECEIVER HAVING A SUBHARMONIC MIXER 审中-公开
标题翻译：直接转换接收器有一个亚音响混音器
公开(公告)号：WO2007038482A2
公开(公告)日：2007-04-05
申请号：PCT/US2006/037420
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： H04B1/28 , H04M1/00 , H04B1/44
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）接收机包括完全差分直接转换接收链，接收链中的次谐波混频器，被配置为接收差分射频（RF）输入信号和本地振荡器（LO））信号的次谐波混频器，相位移45度的合成器和具有压控振荡器并具有至少一个分频器以产生所需接收LO信号的合成器。

8. 发明申请

WO2007008873A2 POLAR LOOP RADIO FREQUENCY (RF) TRANSMITTER HAVING INCREASED DYNAMIC RANGE AMPLITUDE CONTROL 审中-公开
标题翻译：具有增加的动态范围电平控制的极性无线射频（RF）发射机
公开(公告)号：WO2007008873A2
公开(公告)日：2007-01-18
申请号：PCT/US2006/026849
申请日：2006-07-12
申请人： SKYWORKS SOLUTIONS, INC. , ROZENBLIT, Dmitriy , SOWLATI, Tirdad , DAMGAARD, Morten
发明人： ROZENBLIT, Dmitriy , SOWLATI, Tirdad , DAMGAARD, Morten
IPC分类号： H03D1/24 , H04L25/49 , H04L27/04
CPC分类号： H04L27/3809 , H03C1/00 , H03G3/3047 , H04L27/08 , H04L27/361 , H04W52/06 , H04W52/36
摘要： A closed loop power control system for a radio frequency (RF) transmitter comprises a first variable gain element located in a power control loop and configured to receive a power level signal and an inverse representation of a power control signal, a second variable gain element located in the power control loop and configured to receive an error signal and the power control signal, and a third variable gain element configured to receive an amplitude modulated (AM) signal and the power control signal, the third variable gain element having a gain characteristic configured to operate to reduce the gain applied to the AM signal when the power control signal falls below a minimum predetermined value, and to provide the AM signal as a reference signal.
摘要翻译：用于射频（RF）发射机的闭环功率控制系统包括位于功率控制环路中并被配置为接收功率电平信号和功率控制信号的反向表示的第一可变增益元件，位于在所述功率控制回路中并且被配置为接收误差信号和所述功率控制信号，以及第三可变增益元件，被配置为接收幅度调制（AM）信号和所述功率控制信号，所述第三可变增益元件具有被配置的增益特性以在功率控制信号低于最小预定值时降低施加到AM信号的增益，并且提供AM信号作为参考信号。

9. 发明申请

WO2008008176A2 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送器及其操作方法
公开(公告)号：WO2008008176A2
公开(公告)日：2008-01-17
申请号：PCT/US2007/014857
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： H04B1/04 , H01Q11/12
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：电源电压控制的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环路以及耦合到功率控制环路的电压调节器，该电压调节器包括第一调节器第二调节器级和峰值检测器，其中第二调节器级的输出作为反馈信号被施加到第一调节器级，并且其中第一调节器级的输出被降低到与第一调节器级的输出相一致的电平功率放大器和额外的操作缓冲量。

10. 发明申请

WO2006127714A2 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：WO2006127714A2
公开(公告)日：2006-11-30
申请号：PCT/US2006/019928
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： H04B1/04 , H01Q11/12
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。

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