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

US20060293004A1 Semiconductor integrated circuit device and wireless communication system 审中-公开
标题翻译：半导体集成电路器件和无线通信系统
公开(公告)号：US20060293004A1
公开(公告)日：2006-12-28
申请号：US11510764
申请日：2006-08-28
申请人： Kiyoshi Irie , Kazuaki Hori , Kazuhiko Hikasa
发明人： Kiyoshi Irie , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H01Q11/12 , H04B1/06 , H04B1/04
CPC分类号： H03G1/0088 , H03F3/45098 , H03F2200/294 , H03F2203/45496 , H03F2203/45504 , H03F2203/45722 , H03G1/0023 , H04B1/707 , H04B2201/70706
摘要： The dynamic range is changed by switching a current applied to an amplifying circuit to obtain the minimum ICP required to keep linearity with the number of multiplexes even when the number of multiplexes of data is changed by switching the operation current of the amplifying circuits of the transmission system and also supplying the information about number of multiplexes of data to be transmitted to the amplifying circuits of the transmission system from the baseband circuit. Thereby, the signal can be transmitted without distortion even when the number of multiplexes increases and the current of the amplifying circuit may be reduced when the number of multiplexes is small in order to reduce the current consumption in the communication semiconductor integrated circuit device which can form a wireless communication system of the code division multiplex system such as W-CDMA system.
摘要翻译：通过切换施加到放大电路的电流来改变动态范围，以便即使当通过切换传输的放大电路的操作电流来改变数据的多路复用数量时，获得与多路复用数保持线性关系所需的最小ICP 并且还从基带电路向发送系统的放大电路提供关于要发送的数据的复用数量的信息。因此，即使多路复用数量增加，信号也可以无失真地发送，并且当多路复用数量少时可以减小放大电路的电流，以便减少可形成的通信半导体集成电路器件中的电流消耗诸如W-CDMA系统的码分多路复用系统的无线通信系统。

2. 发明授权

US07116949B2 Semiconductor integrated circuit device and wireless communication system 失效
公开(公告)号：US07116949B2
公开(公告)日：2006-10-03
申请号：US10685481
申请日：2003-10-16
申请人： Kiyoshi Irie , Kazuaki Hori , Kazuhiko Hikasa
发明人： Kiyoshi Irie , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H01Q11/12 , H03F3/45 , H04L25/49 , H04B1/38
CPC分类号： H03G1/0088 , H03F3/45098 , H03F2200/294 , H03F2203/45496 , H03F2203/45504 , H03F2203/45722 , H03G1/0023 , H04B1/707 , H04B2201/70706
摘要： The dynamic range is changed by switching a current applied to an amplifying circuit to obtain the minimum ICP required to keep linearity with the number of multiplexes even when the number of multiplexes of data is changed by switching the operation current of the amplifying circuits of the transmission system and also supplying the information about number of multiplexes of data to be transmitted to the amplifying circuits of the transmission system from the baseband circuit. Thereby, the signal can be transmitted without distortion even when the number of multiplexes increases and the current of the amplifying circuit may be reduced when the number of multiplexes is small in order to reduce the current consumption in the communication semiconductor integrated circuit device which can form a wireless communication system of the code division multiplex system such as W-CDMA system.

3. 发明申请

US20080024227A1 Communication semiconductor integrated circuit device and wireless communication system 失效
标题翻译：通信半导体集成电路器件和无线通信系统
公开(公告)号：US20080024227A1
公开(公告)日：2008-01-31
申请号：US11902968
申请日：2007-09-27
申请人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
发明人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H03G3/10
CPC分类号： H03F1/0261 , H03F3/245 , H03F3/45085 , H03G1/00 , H03G1/0023 , H03G3/3042 , H03G2201/40
摘要： The present invention provides a communication semiconductor integrated circuit device equipped with a high-frequency power amplifier circuit including a gain control amplifier and a bias circuit which supplies such a bias current as to linearly change the gain of the gain control amplifier, and a wireless communication system using the same. A bias current generating circuit which supplies a bias current to a linear amplifier that constitutes the communication high-frequency power amplifier circuit, comprises a plurality of variable current sources respectively different in current value and start level. These variable current sources are controlled according to an input control voltage and thereby combine their currents into a bias current. The combined bias current changes exponentially with respect to the input control voltage.
摘要翻译：本发明提供了一种配备有包括增益控制放大器和偏置电路的高频功率放大器电路的通信半导体集成电路装置，该偏置电路提供这样的偏置电流以线性地改变增益控制放大器的增益，以及无线通信系统使用相同。向构成通信高频功率放大器电路的线性放大器提供偏置电流的偏置电流产生电路包括分别与电流值和起始电平不同的多个可变电流源。这些可变电流源根据输入控制电压进行控制，从而将它们的电流组合成偏置电流。组合的偏置电流相对于输入控制电压呈指数变化。

4. 发明授权

US07463091B2 Communication semiconductor integrated circuit device and wireless communication system 失效
公开(公告)号：US07463091B2
公开(公告)日：2008-12-09
申请号：US11902968
申请日：2007-09-27
申请人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
发明人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H03G3/20
CPC分类号： H03F1/0261 , H03F3/245 , H03F3/45085 , H03G1/00 , H03G1/0023 , H03G3/3042 , H03G2201/40
摘要： The present invention provides a communication semiconductor integrated circuit device equipped with a high-frequency power amplifier circuit including a gain control amplifier and a bias circuit which supplies such a bias current as to linearly change the gain of the gain control amplifier, and a wireless communication system using the same. A bias current generating circuit which supplies a bias current to a linear amplifier that constitutes the communication high-frequency power amplifier circuit, comprises a plurality of variable current sources respectively different in current value and start level. These variable current sources are controlled according to an input control voltage and thereby combine their currents into a bias current. The combined bias current changes exponentially with respect to the input control voltage.

5. 发明授权

US06750719B2 Communication semiconductor integrated circuit device and wireless communication system 失效
标题翻译：通信半导体集成电路器件和无线通信系统
公开(公告)号：US06750719B2
公开(公告)日：2004-06-15
申请号：US10323819
申请日：2002-12-20
申请人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
发明人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H03G310
CPC分类号： H03F1/0261 , H03F3/245 , H03F3/45085 , H03G1/00 , H03G1/0023 , H03G3/3042 , H03G2201/40
摘要： The present invention provides a communication semiconductor integrated circuit device equipped with a high-frequency power amplifier circuit including a gain control amplifier and a bias circuit which supplies such a bias current as to linearly change the gain of the gain control amplifier, and a wireless communication system using the same. A bias current generating circuit which supplies a bias current to a linear amplifier that constitutes the communication high-frequency power amplifier circuit, comprises a plurality of variable current sources respectively different in current value and start level. These variable current sources are controlled according to an input control voltage and thereby combine their currents into a bias current. The combined bias current changes exponentially with respect to the input control voltage.
摘要翻译：本发明提供了一种配备有包括增益控制放大器和偏置电路的高频功率放大器电路的通信半导体集成电路装置，该偏置电路提供这样的偏置电流以线性地改变增益控制放大器的增益，以及无线通信系统使用相同。向构成通信高频功率放大器电路的线性放大器提供偏置电流的偏置电流产生电路包括分别与电流值和起始电平不同的多个可变电流源。这些可变电流源根据输入控制电压进行控制，从而将它们的电流组合成偏置电流。组合的偏置电流相对于输入控制电压呈指数变化。

6. 发明申请

US20070093225A1 Semiconductor integrated circuit device and wireless communication system 审中-公开
公开(公告)号：US20070093225A1
公开(公告)日：2007-04-26
申请号：US11638417
申请日：2006-12-14
申请人： Motoki Murakami , Kazuaki Hori , Kazuhiko Hikasa
发明人： Motoki Murakami , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H04B1/06 , H04B7/00
CPC分类号： H03G3/3078 , H03G1/0088 , H03G3/3052 , H04B1/28 , H04B1/406
摘要： As the gain control amplifiers for amplifying the reception signal, the step amplifiers are used. Two sets of these step amplifiers are provided and are then controlled to be used alternately. When switching of the gain occurs, after the gain is switched with the step amplifier not operated and offset is cancelled, the amplifier to which the reception signal is inputted is switched. Accordingly, the step amplifier can be used as the gain control amplifier for amplifying the reception signal to provide almost constant power consumption even when the gain is changed depending on the intensity of reception signal in the semiconductor integrated circuit device for communication to form a wireless communication system of dual-mode or more modes including the W-CDMA system. As a result, the operation life of battery, namely, the reception waiting period and communication period by single charging process can be expanded.

7. 发明授权

US07288986B2 Communication semiconductor integrated circuit device and wireless communication system 有权
标题翻译：通信半导体集成电路器件和无线通信系统
公开(公告)号：US07288986B2
公开(公告)日：2007-10-30
申请号：US10836197
申请日：2004-05-03
申请人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
发明人： Kenji Toyota , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H03G3/20
CPC分类号： H03F1/0261 , H03F3/245 , H03F3/45085 , H03G1/00 , H03G1/0023 , H03G3/3042 , H03G2201/40
摘要： The present invention provides a communication semiconductor integrated circuit device equipped with a high-frequency power amplifier circuit including a gain control amplifier and a bias circuit which supplies such a bias current as to linearly change the gain of the gain control amplifier, and a wireless communication system using the same. A bias current generating circuit which supplies a bias current to a linear amplifier that constitutes the communication high-frequency power amplifier circuit, comprises a plurality of variable current sources respectively different in current value and start level. These variable current sources are controlled according to an input control voltage and thereby combine their currents into a bias current. The combined bias current changes exponentially with respect to the input control voltage.
摘要翻译：本发明提供了一种配备有包括增益控制放大器和偏置电路的高频功率放大器电路的通信半导体集成电路装置，该偏置电路提供这样的偏置电流以线性地改变增益控制放大器的增益，以及无线通信系统使用相同。向构成通信高频功率放大器电路的线性放大器提供偏置电流的偏置电流产生电路包括分别与电流值和起始电平不同的多个可变电流源。这些可变电流源根据输入控制电压进行控制，从而将它们的电流组合成偏置电流。组合的偏置电流相对于输入控制电压呈指数变化。

8. 发明申请

US20070142012A1 Wireless communication receiver 审中-公开
标题翻译：无线通信接收机
公开(公告)号：US20070142012A1
公开(公告)日：2007-06-21
申请号：US11702493
申请日：2007-02-06
申请人： Yukinori Akamine , Hisayoshi Kajiwara , Satoshi Tanaka , Takashi Yano , Hirotake Ishii , Akio Yamamoto , Kazuaki Hori , Kazuhiko Hikasa
发明人： Yukinori Akamine , Hisayoshi Kajiwara , Satoshi Tanaka , Takashi Yano , Hirotake Ishii , Akio Yamamoto , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H04B1/06 , H04B7/00
CPC分类号： H03G3/3078 , H03G3/3052 , H04B1/707
摘要： A wireless communication receiver that is able to lessen the effect of noise that accompanies gain change by programmable gain amplifiers. The receiver includes an AGC controller which controls the timing at which the programmable gain amplifiers make gain change, using a terminal counter and a sequencer. The receiver prevents gain change noise signals during the reception of control signals and other signals that are susceptible to noise. By the timing control feature, the programmable gain amplifiers make gain change while reducing noise impact.
摘要翻译：一种无线通信接收机，能够通过可编程增益放大器减轻伴随增益变化的噪声影响。接收机包括AGC控制器，其使用终端计数器和定序器来控制可编程增益放大器使增益改变的定时。接收器在接收到易受噪声的控制信号和其它信号期间防止增益变化噪声信号。通过定时控制功能，可编程增益放大器可实现增益改变，同时降低噪声影响。

9. 发明授权

US07233206B2 Semiconductor integrated circuit device and wireless communication system 失效
标题翻译：半导体集成电路器件和无线通信系统
公开(公告)号：US07233206B2
公开(公告)日：2007-06-19
申请号：US10422953
申请日：2003-04-25
申请人： Motoki Murakami , Kazuaki Hori , Kazuhiko Hikasa
发明人： Motoki Murakami , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H03G3/10
CPC分类号： H03G3/3078 , H03G1/0088 , H03G3/3052 , H04B1/28 , H04B1/406
摘要： As the gain control amplifiers for amplifying the reception signal, the step amplifiers are used. Two sets of these step amplifiers are provided and are then controlled to be used alternately. When switching of the gain occurs, after the gain is switched with the step amplifier not operated and offset is cancelled, the amplifier to which the reception signal is inputted is switched. Accordingly, the step amplifier can be used as the gain control amplifier for amplifying the reception signal to provide almost constant power consumption even when the gain is changed depending on the intensity of reception signal in the semiconductor integrated circuit device for communication to form a wireless communication system of dual-mode or more modes including the W-CDMA system. As a result, the operation life of battery, namely, the reception waiting period and communication period by single charging process can be expanded.
摘要翻译：作为用于放大接收信号的增益控制放大器，使用步进放大器。提供两组这些步进放大器，然后被控制以交替使用。当增益切换发生时，在步进放大器未被操作并且偏移被取消之后切换增益之后，切换输入接收信号的放大器。因此，即使当增益根据用于通信的半导体集成电路装置中的接收信号的强度而变化以形成无线通信时，也可以将步进放大器用作放大接收信号的增益控制放大器，以提供几乎恒定的功率消耗双模或多模的系统，包括W-CDMA系统。结果，可以扩大电池的使用寿命，即接收等待时间和通过单次充电处理的通信周期。

10. 发明授权

US07194244B2 Wireless communication receiver 失效
公开(公告)号：US07194244B2
公开(公告)日：2007-03-20
申请号：US10253648
申请日：2002-09-25
申请人： Yukinori Akamine , Hisayoshi Kajiwara , Satoshi Tanaka , Takashi Yano , Hirotake Ishii , Akio Yamamoto , Kazuaki Hori , Kazuhiko Hikasa
发明人： Yukinori Akamine , Hisayoshi Kajiwara , Satoshi Tanaka , Takashi Yano , Hirotake Ishii , Akio Yamamoto , Kazuaki Hori , Kazuhiko Hikasa
IPC分类号： H04B1/06
CPC分类号： H03G3/3078 , H03G3/3052 , H04B1/707
摘要： A wireless communication receiver that is able to lessen the effect of noise that accompanies gain change by programmable gain amplifiers. The receiver includes an AGC controller which controls the timing at which the programmable gain amplifiers make gain change, using a terminal counter and a sequencer. The receiver prevents gain change noise signals during the reception of control signals and other signals that are susceptible to noise. By the timing control feature, the programmable gain amplifiers make gain change while reducing noise impact.

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