-
公开(公告)号：US20130039434A1
公开(公告)日：2013-02-14
申请号：US13207746
申请日：2011-08-11
IPC分类号： H04L27/00
CPC分类号： H04B1/0475 , H04L25/0266 , H04L25/0272 , H04L25/0278 , H04L27/0008 , H04L27/206
摘要： In accordance with some embodiments of the present disclosure, a transmitting path comprises a digital to analog converter (DAC) configured to receive digital data signals and convert the digital data signals into analog data signals. The transmitting path further comprises a first transmission protocol path and a second transmission protocol path configured to receive a first data signal and second data signal, respectively, from the DAC. The first data signal is associated with a first transmission protocol and the second data signal is associated with the second transmission protocol. The transmitting path additionally comprises a mixer coupled to the first and second transmission protocol paths and configured to receive at least one of the first data signal and the second data signal and modulate at least one of the first data signal and the second data signal onto a carrier signal to generate a radio frequency (RF) signal.
摘要翻译： 根据本公开的一些实施例，发送路径包括被配置为接收数字数据信号并将数字数据信号转换成模拟数据信号的数模转换器（DAC）。 发送路径还包括分别从DAC接收第一数据信号和第二数据信号的第一传输协议路径和第二传输协议路径。 第一数据信号与第一传输协议相关联，第二数据信号与第二传输协议相关联。 传输路径另外包括耦合到第一和第二传输协议路径并被配置为接收第一数据信号和第二数据信号中的至少一个的混频器，并且将第一数据信号和第二数据信号中的至少一个调制到 载波信号以产生射频（RF）信号。
-
公开(公告)号：US08494460B2
公开(公告)日：2013-07-23
申请号：US13207746
申请日：2011-08-11
IPC分类号： H04B1/04
CPC分类号： H04B1/0475 , H04L25/0266 , H04L25/0272 , H04L25/0278 , H04L27/0008 , H04L27/206
摘要： In accordance with some embodiments of the present disclosure, a transmitting path comprises a digital to analog converter (DAC) configured to receive digital data signals and convert the digital data signals into analog data signals. The transmitting path further comprises a first transmission protocol path and a second transmission protocol path configured to receive a first data signal and second data signal, respectively, from the DAC. The first data signal is associated with a first transmission protocol and the second data signal is associated with the second transmission protocol. The transmitting path additionally comprises a mixer coupled to the first and second transmission protocol paths and configured to receive at least one of the first data signal and the second data signal and modulate at least one of the first data signal and the second data signal onto a carrier signal to generate a radio frequency (RF) signal.
摘要翻译： 根据本公开的一些实施例，发送路径包括被配置为接收数字数据信号并将数字数据信号转换成模拟数据信号的数模转换器（DAC）。 发送路径还包括分别从DAC接收第一数据信号和第二数据信号的第一传输协议路径和第二传输协议路径。 第一数据信号与第一传输协议相关联，第二数据信号与第二传输协议相关联。 传输路径另外包括耦合到第一和第二传输协议路径并被配置为接收第一数据信号和第二数据信号中的至少一个的混频器，并且将第一数据信号和第二数据信号中的至少一个调制到 载波信号以产生射频（RF）信号。
-
公开(公告)号：US08447246B2
公开(公告)日：2013-05-21
申请号：US13207786
申请日：2011-08-11
IPC分类号： H04B1/04
CPC分类号： H03D7/1441 , H03D7/1458 , H03D2200/0023 , H04B1/0057 , H04B1/0483
摘要： In accordance with some embodiments of the present disclosure, a multi-band transmitter comprises a plurality of band paths with each band path configured for a different frequency range. Each band path comprises a modulator configured to modulate a data signal onto a carrier signal associated with the frequency range of the band path to generate a radio frequency (RF) signal associated with the band path and frequency range of the band path. Each band path also comprises a step-down balun that includes an input coil configured to receive the RF signal from the modulator. Each band path further comprises a tuner configured to tune the input coil to the frequency range of the band path. The tuner is also configured to compensate for off-state conduction of switches of the tuner to reduce non-linear tuning effects of the balun associated with the off-state conduction.
摘要翻译： 根据本公开的一些实施例，多频带发射机包括多个频带路径，每个频带路径被配置用于不同的频率范围。 每个频带路径包括被配置为将数据信号调制到与频带路径的频率范围相关联的载波信号上以产生与频带路径的频带路径和频带范围相关联的射频（RF）信号的调制器。 每个频带路径还包括降压平衡 - 不平衡变压器，其包括被配置为从调制器接收RF信号的输入线圈。 每个频带路径还包括被配置为将输入线圈调谐到频带路径的频率范围的调谐器。 调谐器还被配置为补偿调谐器的开关的截止状态传导，以减少与断开状态传导相关联的平衡 - 不平衡变换器的非线性调谐效应。
-
4.发明申请公开(公告)号：US20130040695A1
公开(公告)日：2013-02-14
申请号：US13207672
申请日：2011-08-11
申请人： Chuanzhao Yu , Omid Oliaei , David Newman , Michael L. Gomez
发明人： Chuanzhao Yu , Omid Oliaei , David Newman , Michael L. Gomez
IPC分类号： H04W88/02
CPC分类号： H03F3/193
摘要： In accordance with some embodiments of the present disclosure, a circuit comprises an input node configured to receive a current-mode input signal and an input stage that includes an input device communicatively coupled to the input node. The input device is configured to receive the input signal at the input node. The circuit additionally comprises bias circuitry communicatively coupled to the input stage and configured to provide a bias current for the input device. The bias circuitry is also configured to remove at least a portion of the bias current from the input signal through a feedback loop associated with the input node such that the input signal is received by the input device with at least a portion of the bias current removed. The circuit further comprises an output stage communicatively coupled to the input stage and configured to output a current-mode output signal based on the input signal.
摘要翻译： 根据本公开的一些实施例，电路包括被配置为接收电流模式输入信号的输入节点和包括通信地耦合到输入节点的输入设备的输入级。 输入设备被配置为在输入节点处接收输入信号。 电路还包括通信地耦合到输入级并被配置为为输入设备提供偏置电流的偏置电路。 偏置电路还被配置为通过与输入节点相关联的反馈回路从输入信号中去除偏置电流的至少一部分，使得输入信号由输入装置接收，其中偏置电流的至少一部分被去除 。 电路还包括通信地耦合到输入级并被配置为基于输入信号输出电流模式输出信号的输出级。
-
5.发明授权公开(公告)号：US08463206B2
公开(公告)日：2013-06-11
申请号：US13207672
申请日：2011-08-11
申请人： Chuanzhao Yu , Omid Oliaei , David Newman , Michael L. Gomez
发明人： Chuanzhao Yu , Omid Oliaei , David Newman , Michael L. Gomez
IPC分类号： H04B1/04
CPC分类号： H03F3/193
摘要： In accordance with some embodiments of the present disclosure, a circuit comprises an input node configured to receive a current-mode input signal and an input stage that includes an input device communicatively coupled to the input node. The input device is configured to receive the input signal at the input node. The circuit additionally comprises bias circuitry communicatively coupled to the input stage and configured to provide a bias current for the input device. The bias circuitry is also configured to remove at least a portion of the bias current from the input signal through a feedback loop associated with the input node such that the input signal is received by the input device with at least a portion of the bias current removed. The circuit further comprises an output stage communicatively coupled to the input stage and configured to output a current-mode output signal based on the input signal.
摘要翻译： 根据本公开的一些实施例，电路包括被配置为接收电流模式输入信号的输入节点和包括通信地耦合到输入节点的输入设备的输入级。 输入设备被配置为在输入节点处接收输入信号。 电路还包括通信地耦合到输入级并被配置为为输入设备提供偏置电流的偏置电路。 偏置电路还被配置为通过与输入节点相关联的反馈回路从输入信号中去除偏置电流的至少一部分，使得输入信号由输入装置接收，其中偏置电流的至少一部分被去除 。 电路还包括通信地耦合到输入级并被配置为基于输入信号输出电流模式输出信号的输出级。
-
公开(公告)号：US08693961B2
公开(公告)日：2014-04-08
申请号：US13207712
申请日：2011-08-11
申请人： Omid Oliaei , David Newman , Mark Kirschenmann
发明人： Omid Oliaei , David Newman , Mark Kirschenmann
IPC分类号： H04B1/04
CPC分类号： H03H7/25 , H03D7/1441 , H03D7/1458 , H03D7/165 , H03F1/0222 , H03F1/0266 , H03F1/0277 , H03F1/223 , H03F3/211 , H03F3/245 , H03F3/45179 , H03F3/45744 , H03F3/68 , H03F3/72 , H03F2200/06 , H03F2200/111 , H03F2200/211 , H03F2200/429 , H03F2200/432 , H03F2200/504 , H03F2200/511 , H03F2200/534 , H03F2200/91 , H03F2203/45054 , H03F2203/45212 , H03F2203/7209 , H03F2203/7215 , H03F2203/7236
摘要： In accordance with some embodiments of the present disclosure, a circuit comprises a balun configured to receive a radio frequency (RF) signal at a first input port and a second input port of an input coil. The balun is further configured to output the RF signal at an output coil communicatively coupled to the input coil. The circuit also comprises a supply voltage selector circuit coupled to the input coil and configured to adjust a bias voltage at the input coil according to a power level of the RF signal received at the input coil.
摘要翻译： 根据本公开的一些实施例，电路包括被配置为在输入线圈的第一输入端口和第二输入端口处接收射频（RF）信号的平衡 - 不平衡变换器。 平衡 - 不平衡变换器还被配置为在通信地耦合到输入线圈的输出线圈处输出RF信号。 电路还包括电源电压选择器电路，其耦合到输入线圈并且被配置为根据在输入线圈处接收的RF信号的功率电平来调节输入线圈处的偏置电压。
-
公开(公告)号：US20130040586A1
公开(公告)日：2013-02-14
申请号：US13207712
申请日：2011-08-11
申请人： Omid Oliaei , David Newman , Mark Kirschenmann
发明人： Omid Oliaei , David Newman , Mark Kirschenmann
CPC分类号： H03H7/25 , H03D7/1441 , H03D7/1458 , H03D7/165 , H03F1/0222 , H03F1/0266 , H03F1/0277 , H03F1/223 , H03F3/211 , H03F3/245 , H03F3/45179 , H03F3/45744 , H03F3/68 , H03F3/72 , H03F2200/06 , H03F2200/111 , H03F2200/211 , H03F2200/429 , H03F2200/432 , H03F2200/504 , H03F2200/511 , H03F2200/534 , H03F2200/91 , H03F2203/45054 , H03F2203/45212 , H03F2203/7209 , H03F2203/7215 , H03F2203/7236
摘要： In accordance with some embodiments of the present disclosure, a circuit comprises a balun configured to receive a radio frequency (RF) signal at a first input port and a second input port of an input coil. The balun is further configured to output the RF signal at an output coil communicatively coupled to the input coil. The circuit also comprises a supply voltage selector circuit coupled to the input coil and configured to adjust a bias voltage at the input coil according to a power level of the RF signal received at the input coil.
摘要翻译： 根据本公开的一些实施例，电路包括被配置为在输入线圈的第一输入端口和第二输入端口处接收射频（RF）信号的平衡 - 不平衡变换器。 平衡 - 不平衡变换器还被配置为在通信地耦合到输入线圈的输出线圈处输出RF信号。 电路还包括电源电压选择器电路，其耦合到输入线圈并且被配置为根据在输入线圈处接收的RF信号的功率电平来调节输入线圈处的偏置电压。
-
公开(公告)号：US20120062307A1
公开(公告)日：2012-03-15
申请号：US12882306
申请日：2010-09-15
申请人： Omid Oliaei , David Newman
发明人： Omid Oliaei , David Newman
IPC分类号： H03K17/687
CPC分类号： H03K17/165 , H03K2217/0036
摘要： In accordance with embodiments of the present disclosure, a circuit may include a transmission switch and a dummy switch coupled at its output to the output of the transmission switch. The transmission switch may be configured to be selectively enabled and disabled based on a control signal received at a gate of the transmission switch. The transmission switch may be further configured to receive a first polarity of a differential signal at its input and pass the first polarity of the differential signal to its output when enabled. The dummy switch may be configured to be disabled and to receive a second polarity of the differential signal at its input, the second polarity of opposite polarity of the first polarity.
摘要翻译： 根据本公开的实施例，电路可以包括传输开关和在其输出处耦合到传输开关的输出的虚拟开关。 传输开关可以被配置为基于在传输交换机的门处接收的控制信号来选择性地使能和禁用。 传输开关还可以被配置为在其输入处接收差分信号的第一极性，并且当使能时将差分信号的第一极性传递到其输出。 伪开关可以被配置为禁用，并且在其输入处接收差分信号的第二极性，第二极性与第一极性相反的极性。
-
公开(公告)号：US08451046B2
公开(公告)日：2013-05-28
申请号：US12882306
申请日：2010-09-15
申请人： Omid Oliaei , David Newman
发明人： Omid Oliaei , David Newman
IPC分类号： H03K17/687
CPC分类号： H03K17/165 , H03K2217/0036
摘要： In accordance with embodiments of the present disclosure, a circuit may include a transmission switch and a dummy switch coupled at its output to the output of the transmission switch. The transmission switch may be configured to be selectively enabled and disabled based on a control signal received at a gate of the transmission switch. The transmission switch may be further configured to receive a first polarity of a differential signal at its input and pass the first polarity of the differential signal to its output when enabled. The dummy switch may be configured to be disabled and to receive a second polarity of the differential signal at its input, the second polarity of opposite polarity of the first polarity.
摘要翻译： 根据本公开的实施例，电路可以包括传输开关和在其输出处耦合到传输开关的输出的虚拟开关。 传输开关可以被配置为基于在传输交换机的门处接收的控制信号来选择性地使能和禁用。 传输开关还可以被配置为在其输入处接收差分信号的第一极性，并且当使能时将差分信号的第一极性传递到其输出。 伪开关可以被配置为禁用，并且在其输入处接收差分信号的第二极性，第二极性与第一极性相反的极性。
-
公开(公告)号：US20130039438A1
公开(公告)日：2013-02-14
申请号：US13207786
申请日：2011-08-11
IPC分类号： H04L27/00
CPC分类号： H03D7/1441 , H03D7/1458 , H03D2200/0023 , H04B1/0057 , H04B1/0483
摘要： In accordance with some embodiments of the present disclosure, a multi-band transmitter comprises a plurality of band paths with each band path configured for a different frequency range. Each band path comprises a modulator configured to modulate a data signal onto a carrier signal associated with the frequency range of the band path to generate a radio frequency (RF) signal associated with the band path and frequency range of the band path. Each band path also comprises a step-down balun that includes an input coil configured to receive the RF signal from the modulator. Each band path further comprises a tuner configured to tune the input coil to the frequency range of the band path. The tuner is also configured to compensate for off-state conduction of switches of the tuner to reduce non-linear tuning effects of the balun associated with the off-state conduction.
摘要翻译： 根据本公开的一些实施例，多频带发射机包括多个频带路径，每个频带路径被配置用于不同的频率范围。 每个频带路径包括被配置为将数据信号调制到与频带路径的频率范围相关联的载波信号上以产生与频带路径的频带路径和频带范围相关联的射频（RF）信号的调制器。 每个频带路径还包括降压平衡 - 不平衡变压器，其包括被配置为从调制器接收RF信号的输入线圈。 每个频带路径还包括被配置为将输入线圈调谐到频带路径的频率范围的调谐器。 调谐器还被配置为补偿调谐器的开关的截止状态传导，以减少与断开状态传导相关联的平衡 - 不平衡变换器的非线性调谐效应。
-
-
-
-
-
-
-
-
-
搜索结果
53 条记录 (耗时 0.024 秒)
