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公开(公告)号：US20080150637A1
公开(公告)日：2008-06-26
申请号：US12071203
申请日：2008-02-19
申请人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
发明人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
CPC分类号： H03F1/0261 , H03F1/0205 , H03F3/24 , H03F3/60 , H03F2200/105 , H03G3/3047
摘要： This invention provides an electronic part for high frequency power amplification (RF power module) which will automatically perform the precharge level setting for proper output power at start of transmission without requiring the software process for precharging to run on the baseband IC, which can reduce the burden on users, namely, mobile phone manufacturers. Such electronic part configured to amplify RF transmit signals includes an output power control circuit which supplies an output power control voltage to a bias control circuit in a high frequency power amplifier circuit, based on an output power level directive signal. This electronic part is equipped with a precharge circuit which raises the output power control voltage to produce a predetermined level of output power, while detecting a current flowing through a final-stage power amplifying element, triggered by rise of a supply voltage at start of transmission.
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2.发明授权High frequency power amplification electric part and wireless communication system 有权高频功率放大电气部件和无线通信系统公开(公告)号：US06972626B2
公开(公告)日：2005-12-06
申请号：US10682249
申请日：2003-10-10
IPC分类号： H03F1/30 , H03F1/02 , H03F1/34 , H03F3/189 , H03F3/193 , H03F3/20 , H03F3/24 , H03G3/30 , H04B1/04 , H04Q7/20 , H04Q7/34
CPC分类号： H03G3/3047 , H03F2200/504
摘要： The present invention provides a high frequency amplifier suitable for use in a wireless communication system which performs detection of an output level necessary for feedback control by a current detection system, wherein control sensitivity in an area low in transmit request level is lowered so that an output level can be controlled over the whole control range with satisfactory accuracy. There is provided a high frequency power amplification electric part constituting a wireless communication system, which performs detection of an output level necessary for feedback control of output power by a current detection system, compares the output level detected signal and an output level designation signal and generates a bias voltage for a high frequency power amplifier according to the difference therebetween to thereby control gain, wherein an nth root converter or a logarithm converter is provided between a current detector and a current-voltage converter.
摘要翻译： 本发明提供了一种适用于无线通信系统的高频放大器，其执行由当前检测系统进行反馈控制所需的输出电平的检测，其中传输请求级别低的区域中的控制灵敏度降低，使得输出 水平可以在整个控制范围内进行控制，具有令人满意的精度。 提供构成无线通信系统的高频功率放大电部件，其执行由电流检测系统对输出功率的反馈控制所需的输出电平的检测，比较输出电平检测信号和输出电平指定信号，并产生 根据它们之间的差异，用于高频功率放大器的偏置电压，从而控制增益，其中在电流检测器和电流 - 电压转换器之间提供第n根转换器或对数转换器。
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公开(公告)号：US07352244B2
公开(公告)日：2008-04-01
申请号：US11360437
申请日：2006-02-24
申请人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
发明人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
IPC分类号： H03G3/30
CPC分类号： H03F1/0261 , H03F1/0205 , H03F3/24 , H03F3/60 , H03F2200/105 , H03G3/3047
摘要： This invention provides an electronic part for high frequency power amplification (RF power module) which will automatically perform the precharge level setting for proper output power at start of transmission without requiring the software process for precharging to run on the baseband IC, which can reduce the burden on users, namely, mobile phone manufacturers. Such electronic part configured to amplify RF transmit signals includes an output power control circuit which supplies an output power control voltage to a bias control circuit in a high frequency power amplifier circuit, based on an output power level directive signal. This electronic part is equipped with a precharge circuit which raises the output power control voltage to produce a predetermined level of output power, while detecting a current flowing through a final-stage power amplifying element, triggered by rise of a supply voltage at start of transmission.
摘要翻译： 本发明提供了一种用于高频功率放大的电子部件（RF功率模块），其将在开始传输时自动执行预充电电平设置以用于正确的输出功率，而不需要预充电的软件处理在基带IC上运行，这可以减少 用户负担，即手机厂商。 配置为放大RF发射信号的这种电子部件包括：输出功率控制电路，其基于输出功率电平指令信号将输出功率控制电压提供给高频功率放大器电路中的偏置控制电路。 该电子部件配备有预充电电路，其提高输出功率控制电压以产生预定水平的输出功率，同时检测流过最后级功率放大元件的电流，由传输开始时的电源电压上升触发 。
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4.发明授权High frequency power amplification electric part and wireless communication system 有权高频功率放大电气部件和无线通信系统公开(公告)号：US07173492B2
公开(公告)日：2007-02-06
申请号：US11231819
申请日：2005-09-22
IPC分类号： H03G3/30
CPC分类号： H03G3/3047 , H03F2200/504
摘要： The present invention provides a high frequency amplifier suitable for use in a wireless communication system which performs detection of an output level necessary for feedback control by a current detection system, wherein control sensitivity in an area low in transmit request level is lowered so that an output level can be controlled over the whole control range with satisfactory accuracy. There is provided a high frequency power amplification electric part constituting a wireless communication system, which performs detection of an output level necessary for feedback control of output power by a current detection system, compares the output level detected signal and an output level designation signal and generates a bias voltage for a high frequency power amplifier according to the difference therebetween to thereby control gain, wherein an nth root converter or a logarithm converter is provided between a current detector and a current-voltage converter.
摘要翻译： 本发明提供了一种适用于无线通信系统的高频放大器，其执行由当前检测系统进行反馈控制所需的输出电平的检测，其中传输请求级别低的区域中的控制灵敏度降低，使得输出 水平可以在整个控制范围内进行控制，精度满意。 提供构成无线通信系统的高频功率放大电部件，其执行由电流检测系统对输出功率的反馈控制所需的输出电平的检测，比较输出电平检测信号和输出电平指定信号，并产生 根据它们之间的差异，用于高频功率放大器的偏置电压，从而控制增益，其中在电流检测器和电流 - 电压转换器之间提供第n根转换器或对数转换器。
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5.发明申请High frequency power amplification electric part and wireless communication system 有权高频功率放大电气部件和无线通信系统公开(公告)号：US20060012435A1
公开(公告)日：2006-01-19
申请号：US11231819
申请日：2005-09-22
IPC分类号： H03G3/10
CPC分类号： H03G3/3047 , H03F2200/504
摘要： The present invention provides a high frequency amplifier suitable for use in a wireless communication system which performs detection of an output level necessary for feedback control by a current detection system, wherein control sensitivity in an area low in transmit request level is lowered so that an output level can be controlled over the whole control range with satisfactory accuracy. There is provided a high frequency power amplification electric part constituting a wireless communication system, which performs detection of an output level necessary for feedback control of output power by a current detection system, compares the output level detected signal and an output level designation signal and generates a bias voltage for a high frequency power amplifier according to the difference therebetween to thereby control gain, wherein an nth root converter or a logarithm converter is provided between a current detector and a current-voltage converter.
摘要翻译： 本发明提供了一种适用于无线通信系统的高频放大器，其执行由当前检测系统进行反馈控制所需的输出电平的检测，其中传输请求级别低的区域中的控制灵敏度降低，使得输出 水平可以在整个控制范围内进行控制，具有令人满意的精度。 提供构成无线通信系统的高频功率放大电部件，其执行由电流检测系统对输出功率的反馈控制所需的输出电平的检测，比较输出电平检测信号和输出电平指定信号，并产生 根据它们之间的差异，用于高频功率放大器的偏置电压，从而控制增益，其中在电流检测器和电流 - 电压转换器之间提供第n根转换器或对数转换器。
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公开(公告)号：US07595694B2
公开(公告)日：2009-09-29
申请号：US12071203
申请日：2008-02-19
申请人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
发明人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
IPC分类号： H03G3/30
CPC分类号： H03F1/0261 , H03F1/0205 , H03F3/24 , H03F3/60 , H03F2200/105 , H03G3/3047
摘要： This invention provides an electronic part for high frequency power amplification (RF power module) which will automatically perform the precharge level setting for proper output power at start of transmission without requiring the software process for precharging to run on the baseband IC, which can reduce the burden on users, namely, mobile phone manufacturers. Such electronic part configured to amplify RF transmit signals includes an output power control circuit which supplies an output power control voltage to a bias control circuit in a high frequency power amplifier circuit, based on an output power level directive signal. This electronic part is equipped with a precharge circuit which raises the output power control voltage to produce a predetermined level of output power, while detecting a current flowing through a final-stage power amplifying element, triggered by rise of a supply voltage at start of transmission.
摘要翻译： 本发明提供了一种用于高频功率放大的电子部件（RF功率模块），其将在开始传输时自动执行预充电电平设置以用于正确的输出功率，而不需要预充电的软件处理在基带IC上运行，这可以减少 用户负担，即手机厂商。 配置为放大RF发射信号的这种电子部件包括：输出功率控制电路，其基于输出功率电平指令信号将输出功率控制电压提供给高频功率放大器电路中的偏置控制电路。 该电子部件配备有预充电电路，其提高输出功率控制电压以产生预定水平的输出功率，同时检测流过最后级功率放大元件的电流，由传输开始时的电源电压上升触发 。
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公开(公告)号：US20060192616A1
公开(公告)日：2006-08-31
申请号：US11360437
申请日：2006-02-24
申请人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
发明人： Kyoichi Takahashi , Takayuki Tsutsui , Hitoshi Akamine , Fuminori Morisawa , Nobuhiro Matsudaira
IPC分类号： H03G3/20
CPC分类号： H03F1/0261 , H03F1/0205 , H03F3/24 , H03F3/60 , H03F2200/105 , H03G3/3047
摘要： This invention provides an electronic part for high frequency power amplification (RF power module) which will automatically perform the precharge level setting for proper output power at start of transmission without requiring the software process for precharging to run on the baseband IC, which can reduce the burden on users, namely, mobile phone manufacturers. Such electronic part configured to amplify RF transmit signals includes an output power control circuit which supplies an output power control voltage to a bias control circuit in a high frequency power amplifier circuit, based on an output power level directive signal. This electronic part is equipped with a precharge circuit which raises the output power control voltage to produce a predetermined level of output power, while detecting a current flowing through a final-stage power amplifying element, triggered by rise of a supply voltage at start of transmission.
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8.发明授权公开(公告)号：US06605999B2
公开(公告)日：2003-08-12
申请号：US09984800
申请日：2001-10-31
IPC分类号： H03F330
CPC分类号： H03F1/0272 , H03F1/0233 , H03F3/193 , H03F2200/294 , H03F2200/372 , H03G1/0017
摘要： A wireless communication apparatus, which is designed to control the output power without using the power control signal sent from the base station, comprises a high-frequency power amplifier for transmission, a detection means which measures the output power of the power amplifier, and an automatic power control circuit which controls the output power of the power amplifier based on information provided by the detection means. The power amplifier includes an amplifying system which has multiple amplifying stages and is connected between the input and output terminals, and bias circuits which supply bias voltages to transistors of the respective amplifying stages. The bias circuits, which supply the bias voltages to the multiple amplifying stages excluding the last amplifying stage, are each made up of multiple resistors. Each of these bias circuits divides with the resistors the voltage of the entered power control signal to produce a bias voltage, which has a linear response to the control signal for low-power mode, to be fed to the control terminal of the amplifying stage. The bias circuit which supplies a bias voltage to the last amplifying stage includes a circuit which produces a bias voltage which has a nonlinear response to the control signal for high-power mode.
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9.发明申请High frequency power amplifier circuit and electric component for high frequency power amplifier 有权高频功率放大器电路和高频功率放大器电气元件公开(公告)号：US20060066398A1
公开(公告)日：2006-03-30
申请号：US11227109
申请日：2005-09-16
IPC分类号： H03G3/20
CPC分类号： H03F3/191 , H03F1/30 , H03F1/32 , H03G1/007 , H03G3/004 , H03G3/3047 , H03G2201/103 , H03G2201/206 , H03G2201/307 , H03G2201/40
摘要： In a high frequency power amplifier circuit in which bias voltages are applied to the transistors for amplification by current mirroring, this invention enables preventing waveform distortion near the peak output power level by allowing sufficient idle currents to flow through the transistors for amplification, while enhancing the power efficiency in a low output power region. The power amplifier includes a detection circuit comprising a transistor for detection which receives the AC component of an input signal to the last-stage transistor for amplification at its control terminal, a current mirror circuit which mirrors current flowing through that transistor, and a current-voltage conversion means which converts current flowing in the slave side of the current mirror circuit into a voltage. In the detection circuit, a voltage from a bias circuit for generating the bias voltages for the transistors for amplification is applied to the control terminal of the transistor for detection and output of the detection circuit is applied to the control terminal of the last-stage transistor for amplification.
摘要翻译： 在通过电流镜像将偏置电压施加到晶体管以进行放大的高频功率放大器电路中，本发明能够通过允许足够的空闲电流流过晶体管进行放大，从而防止峰值输出功率电平附近的波形失真，同时增强 低输出功率区域的功率效率。 功率放大器包括检测电路，该检测电路包括用于检测的晶体管，其将用于在其控制端子处放大的最后级晶体管的输入信号的AC分量接收;反射电流流过该晶体管的电流镜电路， 电压转换装置，其将在电流镜电路的从侧中流动的电流转换成电压。 在检测电路中，用于产生用于放大的晶体管的偏置电压的偏置电路的电压被施加到用于检测的晶体管的控制端，并且检测电路的输出被施加到最后级晶体管的控制端 用于扩增。
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10.发明授权High frequency power amplifier electric parts and radio telecommunication system 失效高频功率放大器电器零件和无线电通信系统公开(公告)号：US06919762B2
公开(公告)日：2005-07-19
申请号：US10722532
申请日：2003-11-28
CPC分类号： H03G3/3047 , H03F1/0272 , H03F2200/294 , H03F2200/372
摘要： The present invention provides a high frequency power amplifier of a multi-stage configuration in which a plurality of transistors for power amplification are cascaded, with reduced distortion of a signal in a region where an output power level is low and improved power efficiency. In a high frequency power amplifier electric part in which a plurality of transistors for power amplification are cascaded, a transistor for output level detection is provided whose gate terminal receives a gate input of a transistor for power amplification in the final stage via a resistive element of which resistance value is 100 Ω or less. Current detected by the transistor is converted to voltage. The voltage is compared with output control voltage by an error amplifier. Voltage according to the potential difference is applied to the gate terminals of the transistors for power amplification in the amplification stages to thereby pass idle current.
摘要翻译： 本发明提供一种多级配置的高频功率放大器，其中用于功率放大的多个晶体管级联，降低输出功率电平低的区域中的信号失真并提高功率效率。 在用于功率放大的多个晶体管级联的高频功率放大器电气部件中，提供用于输出电平检测的晶体管，其栅极端子经由电阻元件的电阻元件在最终级中接收用于功率放大的晶体管的栅极输入 该电阻值为100Ω以下。 由晶体管检测的电流转换为电压。 通过误差放大器将电压与输出控制电压进行比较。 根据电位差的电压被施加到放大级中用于功率放大的晶体管的栅极端子，从而使空闲电流通过。
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