公开(公告)号：US20050242875A1

公开(公告)日：2005-11-03

申请号：US11081384

申请日：2005-03-16

Applicant: Mark Gurvich ,  Ahmad Khanifar ,  Nikolai Maslennikov ,  Alexander Rabinovich

Inventor： Mark Gurvich ,  Ahmad Khanifar ,  Nikolai Maslennikov ,  Alexander Rabinovich

IPC: H03F1/02 ,  H03F1/32 ,  H03G3/20 ,  H03G3/30

CPC classification number: H03F1/32 ,  H03F1/0211 ,  H03F1/0222 ,  H03F1/0244 ,  H03G3/3042 ,  H03G2201/106 ,  H03G2201/206 ,  H03G2201/307

Abstract: A high efficiency radio frequency (RF) power amplifier having dynamically controlled back off is disclosed. The RF input voltage is sampled by an adaptive analog signal processing circuit. The adaptive analog signal processing circuit controls the supply voltage to RF amplifier devices, such as LDMOS devices, which varies the efficiency or back off of the power amplifier. The variable supply voltage in turn varies peak power of the amplifier.

Abstract translation: 公开了具有动态控制的退避的高效率射频（RF）功率放大器。 RF输入电压由自适应模拟信号处理电路采样。 自适应模拟信号处理电路控制对诸如LDMOS器件的RF放大器器件的电源电压，这些器件改变功率放大器的效率或退避。 可变电源电压又会改变放大器的峰值功率。

公开(公告)号：US20050206456A1

公开(公告)日：2005-09-22

申请号：US11130120

申请日：2005-05-17

Applicant: Masashi Suzuki ,  Hitoshi Akamine ,  Tetsuaki Adachi ,  Takahiro Sato ,  Masashi Maruyama ,  Susumu Takada

Inventor： Masashi Suzuki ,  Hitoshi Akamine ,  Tetsuaki Adachi ,  Takahiro Sato ,  Masashi Maruyama ,  Susumu Takada

IPC: H01L27/04 ,  H01L21/822 ,  H01L27/06 ,  H03F1/30 ,  H03F3/193 ,  H03F3/20 ,  H03F3/213 ,  H03F3/24 ,  H03F3/68 ,  H03G3/30 ,  H04B1/03 ,  H04B1/04

CPC classification number: H01L27/0629 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/49111 ,  H01L2224/49175 ,  H01L2924/13091 ,  H03F1/301 ,  H03F3/193 ,  H03F2200/294 ,  H03F2200/372 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/206 ,  H03G2201/307 ,  H03G2201/40 ,  H01L2924/00014 ,  H01L2924/00

Abstract: The number of components of a high frequency power amplifier is reduced. A bias resistance ratio is adjusted in accordance with a change in the threshold voltage Vth of a transistor. A high frequency power amplifier has a plurality of amplifying systems. Each of these systems has an input terminal to which a signal to be amplified is supplied, an output terminal, a bias terminal, a plurality of amplifying stages which are sequentially cascaded between the input and output terminals, and a bias circuit connected to the bias terminal and each of the amplifying stages to apply a bias potential to the amplifying stage. The amplifying stage includes a control terminal for receiving an input signal and the bias potential supplied to the stage and a first terminal for transmitting an output signal of the stage.

Abstract translation: 高频功率放大器的组件数量减少。 根据晶体管的阈值电压Vth的变化来调整偏置电阻比。 高频功率放大器具有多个放大系统。 这些系统中的每一个都具有供给要被放大的信号的输入端子，输出端子，偏置端子，在输入和输出端子之间顺序级联的多个放大级，以及连接到偏置电路的偏置电路 端子和每个放大级以向放大级施加偏置电位。 放大级包括用于接收输入信号和提供给级的偏置电位的控制端子和用于发送级的输出信号的第一端子。

公开(公告)号：US20050206447A1

公开(公告)日：2005-09-22

申请号：US10803771

申请日：2004-03-18

Applicant: Ryo Yamazaki ,  William Noellert

Inventor： Ryo Yamazaki ,  William Noellert

IPC: H03G3/00 ,  H03G3/20 ,  H03G3/30

CPC classification number: H03F1/52 ,  H03G3/004 ,  H03G3/3047 ,  H03G2201/103 ,  H03G2201/206 ,  H03G2201/208 ,  H03G2201/307 ,  H03G2201/708

Abstract: When a power amplifier control loop operates near or in saturation, the quality of the output signal can be degraded and an over current condition can occur. To prevent this, the output signal of the power amplifier is detected, converted to digital, and then converted into the frequency spectrum by means of a Fast Fourier Transform. The spectral characteristics of the output signal are analyzed to determine if the power amplifier control loop is approaching or operating in saturation mode. This determination is made by looking at the power of the output signal at various frequencies. If the output at these frequencies exceeds a threshold value, the power amplifier control loop is approaching saturation. In this situation, the output of the power amplifier can be adjusted to prevent loop saturation. This can be accomplished by reducing the supply voltage to the power amplifier or adjusting the bias voltage.

Abstract translation: 当功率放大器控制回路在接近或饱和状态下工作时，输出信号的质量可能会下降，可能会出现过电流状态。 为了防止这种情况，功率放大器的输出信号被检测，转换为数字，然后通过快速傅里叶变换转换成频谱。 分析输出信号的频谱特性，以确定功率放大器控制环路是否接近或在饱和模式下工作。 通过查看各种频率的输出信号的功率来进行该确定。 如果这些频率的输出超过阈值，则功率放大器控制回路接近饱和。 在这种情况下，可以调节功率放大器的输出，以防止环路饱和。 这可以通过降低功率放大器的电源电压或调整偏置电压来实现。

公开(公告)号：US06900694B2

公开(公告)日：2005-05-31

申请号：US10799673

申请日：2004-03-15

Applicant: Masashi Suzuki ,  Hitoshi Akamine ,  Tetsuaki Adachi ,  Takahiro Sato ,  Masashi Maruyama ,  Susumu Takada

Inventor： Masashi Suzuki ,  Hitoshi Akamine ,  Tetsuaki Adachi ,  Takahiro Sato ,  Masashi Maruyama ,  Susumu Takada

IPC: H01L27/04 ,  H01L21/822 ,  H01L27/06 ,  H03F1/30 ,  H03F3/193 ,  H03F3/20 ,  H03F3/213 ,  H03F3/24 ,  H03F3/68 ,  H03G3/30 ,  H04B1/03 ,  H04B1/04 ,  H03G5/16

CPC classification number: H01L27/0629 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/49111 ,  H01L2224/49175 ,  H03F1/301 ,  H03F3/193 ,  H03F2200/294 ,  H03F2200/372 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/206 ,  H03G2201/307 ,  H03G2201/40 ,  H01L2924/00014

Abstract: The number of components of a high frequency power amplifier is reduced. A bias resistance ratio is adjusted in accordance with a change in the threshold voltage Vth of a transistor. A high frequency power amplifier has a plurality of amplifying systems. Each of these systems has an input terminal to which a signal to be amplified is supplied, an output terminal, a bias terminal, a plurality of amplifying stages which are sequentially cascaded between the input and output terminals, and a bias circuit connected to the bias terminal and each of the amplifying stages to apply a bias potential to the amplifying stage. The amplifying stage includes a control terminal for receiving an input signal and the bias potential supplied to the stage and a first terminal for transmitting an output signal of the stage.

公开(公告)号：US20050064841A1

公开(公告)日：2005-03-24

申请号：US10942844

申请日：2004-09-17

Applicant: Naoki Okamoto ,  Junji Ito

Inventor： Naoki Okamoto ,  Junji Ito

IPC: H03G1/00 ,  H03G3/20 ,  H03G3/30 ,  H03G11/08 ,  H04B1/28

CPC classification number: H03G1/0023 ,  H03G3/3063 ,  H03G11/08 ,  H03G2201/103 ,  H03G2201/206 ,  H03G2201/307

Abstract: In a receiving circuit, an antenna 11 receives a high-frequency signal at a predetermined frequency band, a level changing section 13 changes a signal level of the high-frequency signal received by the antenna, a subsequent-stage circuit 14 performs predetermined signal processing for the high-frequency signal whose signal level is changed at the level changing section 13, a detecting section 32 detects a signal level of the high-frequency signal for which the signal processing is performed by the subsequent-stage circuit 14, and a control section 33 sets a rate of change of the high-frequency signal by the level changing section 13, based on the signal level of the high-frequency signal detected by the detecting section 32, so that the signal level of the high-frequency signal detected by the detecting section 32 does not exceed a predetermined value.

Abstract translation: 在接收电路中，天线11接收预定频带的高频信号，电平变更部13改变由天线接收的高频信号的信号电平，后级电路14进行规定的信号处理 对于在电平变化部13发生信号电平变化的高频信号，检测部32检测后级电路14进行信号处理的高频信号的信号电平， 部分33基于由检测部分32检测的高频信号的信号电平，通过电平改变部分13设置高频信号的变化率，从而检测到高频信号的信号电平 由检测部32不超过规定值。

公开(公告)号：US06792282B1

公开(公告)日：2004-09-14

申请号：US09666698

申请日：2000-09-21

Applicant: William J. Domino ,  Dmitriy Rozenblit ,  Morten Damgaard ,  Nooshin D. Vakilian

Inventor： William J. Domino ,  Dmitriy Rozenblit ,  Morten Damgaard ,  Nooshin D. Vakilian

IPC: H04B102

CPC classification number: H03G3/3047 ,  H03G2201/103 ,  H03G2201/202 ,  H03G2201/206 ,  H03G2201/307

Abstract: A translation loop modulator and power amplifier in a phase and amplitude modulated transmission environment includes a translation loop having a phase locked loop and that is configured to receive a first modulated signal (PM) and that is also configured to provide a frequency specific modulated signal. The invention also includes a power amplifier configured to receive the frequency specific modulated signal, a variable gain element configured to provide a second modulated signal (AM) to the power amplifier and a switching element configured to receive a portion of an output of the translation loop and a portion of an output power of the power amplifier. The switching element is configured to apply the output portion of the translation loop to an input of the translation loop during a first time period and apply the detected output power portion of the power amplifier to the input of the translation loop during a second time period, thus allowing the phase locked loop in the translation loop to correct for any phase shift caused by the power amplifier.

Abstract translation: 在相位和幅度调制传输环境中的平移环路调制器和功率放大器包括具有锁相环的平移环路，并且被配置为接收第一调制信号（PM），并且还被配置为提供频率特定调制信号。 本发明还包括被配置为接收频率特定调制信号的功率放大器，被配置为向功率放大器提供第二调制信号（AM）的可变增益元件和被配置为接收转换回路的输出的一部分的开关元件 和功率放大器的输出功率的一部分。 开关元件被配置为在第一时间段期间将平移环路的输出部分施加到平移环路的输入端，并且在第二时间周期期间将功率放大器的检测输出功率部分施加到平移环路的输入端， 从而允许平移环路中的锁相环校正由功率放大器引起的任何相移。

公开(公告)号：US06731167B2

公开(公告)日：2004-05-04

申请号：US09961250

申请日：2001-09-25

Applicant: Masashi Suzuki ,  Hitoshi Akamine ,  Tetsuaki Adachi ,  Takahiro Sato ,  Masashi Maruyama ,  Susumu Takada

Inventor： Masashi Suzuki ,  Hitoshi Akamine ,  Tetsuaki Adachi ,  Takahiro Sato ,  Masashi Maruyama ,  Susumu Takada

IPC: H03G516

CPC classification number: H01L27/0629 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/49111 ,  H01L2224/49175 ,  H03F1/301 ,  H03F3/193 ,  H03F2200/294 ,  H03F2200/372 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/206 ,  H03G2201/307 ,  H03G2201/40 ,  H01L2924/00014

Abstract: The number of components of a high frequency power amplifier is reduced. A bias resistance ratio is adjusted in accordance with a change in the threshold voltage Vth of a transistor. A high frequency power amplifier has a plurality of amplifying systems. Each of these systems has an input terminal to which a signal to be amplified is supplied, an output terminal, a bias terminal, a plurality of amplifying stages which are sequentially cascaded between the input and output terminals, and a bias circuit connected to the bias terminal and each of the amplifying stages to apply a bias potential to the amplifying stage. The amplifying stage includes a control terminal for receiving an input signal and the bias potential supplied to the stage and a first terminal for transmitting an output signal of the stage.

Abstract translation: 高频功率放大器的组件数量减少。 根据晶体管的阈值电压Vth的变化来调整偏置电阻比。 高频功率放大器具有多个放大系统。 这些系统中的每一个都具有供给要被放大的信号的输入端子，输出端子，偏置端子，在输入和输出端子之间顺序级联的多个放大级，以及连接到偏置的偏置电路 端子和每个放大级以向放大级施加偏置电位。 放大级包括用于接收输入信号和提供给级的偏置电位的控制端子和用于发送级的输出信号的第一端子。

公开(公告)号：KR1020170109444A

公开(公告)日：2017-09-29

申请号：KR1020160033591

申请日：2016-03-21

Applicant: 삼성전자주식회사

Inventor： 박동진 ,  강준석 ,  김창효 ,  노경석 ,  손성기 ,  신현종 ,  이영진

IPC: H04N7/10 ,  H04H20/78 ,  H04H60/43 ,  H04N21/434

CPC classification number: H04H60/32 ,  H03G3/3052 ,  H03G3/3063 ,  H03G2201/206 ,  H03G2201/307 ,  H04B1/06 ,  H04L27/0002

Abstract: 본발명은방송수신장치및 그제어방법에관한것으로서, 상기방송수신장치는방송컨텐츠가실려있는방송신호를수신하기위한안테나가연결되는안테나연결부; 상기안테나연결부를통해입력된신호에대응하는세기를가지는참조신호를생성하고, 상기방송컨텐츠의표시를위한영상신호가출력되도록상기생성된참조신호를처리하는신호처리부; 및상기참조신호의출력값에기초하여상기안테나연결부에상기안테나가연결되었는지여부를판단하고, 상기판단결과에따라안테나연결여부와관련된후속동작을수행하는제어부를포함한다. 본발명에의하면방송수신장치에입력된신호의세기를빠르게측정하여, 방송수신장치에안테나케이블이연결되어있는지여부를자동으로판단할수 있다. 또한, 본발명에의하면위와같이측정된방송수신신호의세기를바탕으로안테나연결여부를보다정확하게판단할수 있다.

Abstract translation: 广播接收装置及其控制方法技术领域本发明涉及广播接收装置及其控制方法，其中广播接收装置包括：天线连接单元，其上连接有用于接收广播内容被加载的广播信号的天线; 信号处理单元，用于生成具有与通过天线连接单元输入的信号相对应的强度的参考信号，并且处理所生成的参考信号，以便输出用于显示广播内容的视频信号; 以及控制单元，用于基于参考信号的输出值确定天线是否连接到天线连接单元，并根据确定结果执行与天线是否连接有关的后续操作。 根据本发明，可以快速测量输入到广播接收设备的信号的强度，并且可以自动确定天线电缆是否连接到广播接收设备。 另外，根据本发明，可以基于如上所述测量的广播信号的强度更精确地确定天线是否连接。

公开(公告)号：KR1020070103083A

公开(公告)日：2007-10-22

申请号：KR1020077021802

申请日：2003-11-14

Applicant: 인터디지탈 테크날러지 코포레이션

Inventor： 오즈루턱파티 ,  카자케비치레오니드 ,  헤이크탄비르 ,  데미르알파슬란 ,  나라얀기이타락쉬미 ,  키르니케니스

IPC: H04B1/10 ,  H04B1/06 ,  H04B1/00 ,  H04B1/40

CPC classification number: H03G3/001 ,  H03D3/008 ,  H03D3/009 ,  H03G3/3068 ,  H03G3/3089 ,  H03G2201/103 ,  H03G2201/202 ,  H03G2201/302 ,  H03G2201/307 ,  H03G2201/508 ,  H04B1/30 ,  H04L2027/0016 ,  H04L2027/0024

Abstract: In order to compensate for performance degradation caused by inferior low-cost analog radio component (105) tolerances of an analog radio (100), a future system architecture (FSA) wireless communication transceiver employs numerous digital signal processing techniques to compensate for deficiencies of such analog components so that modern specifications may be relaxed. Automatic gain control (110) functions are provided in the digital domain, so as to provide enhanced phase and amplitude compensation, as well as many other radio frequency parameters.

Abstract translation: 为了补偿由模拟无线电（100）的低成本模拟无线电组件（105）容差导致的性能下降，未来的系统架构（FSA）无线通信收发机采用多种数字信号处理技术来补偿这样的缺陷 模拟组件，使现代规格可以放松。 在数字域中提供自动增益控制（110）功能，以提供增强的相位和幅度补偿以及许多其他射频参数。

公开(公告)号：KR100752997B1

公开(公告)日：2007-08-30

申请号：KR1020057008719

申请日：2003-11-14

Applicant: 인터디지탈 테크날러지 코포레이션

Inventor： 오즈루턱파티 ,  카자케비치레오니드 ,  헤이크탄비르 ,  데미르알파슬란 ,  나라얀기이타락쉬미 ,  키르니케니스

IPC: H04B1/06 ,  H04M1/00 ,  H04B1/40 ,  H04B17/00

CPC classification number: H03G3/001 ,  H03D3/008 ,  H03D3/009 ,  H03G3/3068 ,  H03G3/3089 ,  H03G2201/103 ,  H03G2201/202 ,  H03G2201/302 ,  H03G2201/307 ,  H03G2201/508 ,  H04B1/30 ,  H04L2027/0016 ,  H04L2027/0024

Abstract: 아날로그 무선 기기(100)의 열등한 저비용 아날로그 무선 컴포넌트(105)에 의해 야기되는 성능 저하를 보상하기 위해서, 미래 시스템 아키텍처(FSA) 무선 시스템 트랜시버는 수많은 디지털 신호 처리 기술을 사용하여 현재 사양이 완화될 수 있도록 이러한 아날로그 컴포넌트의 결함을 보상한다. 자동 이득 제어(110)는 개선된 위상 및 진폭 보상뿐만 아니라 많은 다른 무선 주파수 파라미터를 제공하도록 디지털 도메인에 제공된다.
무선 컴포넌트, 미래 시스템 아키텍처, 자동 이득 제어, 진폭 보상, 무선 송수신 유닛, RF 파라미터