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1. 发明授权

US07076219B2 Receiver for weak radio wave 有权
标题翻译：接收机用于无线电波
公开(公告)号：US07076219B2
公开(公告)日：2006-07-11
申请号：US10445248
申请日：2003-05-27
申请人： Teruo Imayama , Tsuneo Suzuki
发明人： Teruo Imayama , Tsuneo Suzuki
IPC分类号： H04B1/16 , H04B1/28
CPC分类号： H04B1/28
摘要： An aspect of the present invention provides a receiving circuit that includes a mixer configured to receive a signal and a local signal to mix the signals, the mixer configured to convert the signals into an intermediate frequency signal, an IF filter configured to filter the intermediate frequency signal outputted from the mixer, an IF amplifier configured to amplify a band of the intermediate frequency signal outputted from the IF filter, and a demodulation circuit configured to receive a signal outputted from the IF amplifier to carry out demodulation, wherein a part of the demodulation circuit is disposed outside of the receiving circuit.
摘要翻译：本发明的一个方面提供了一种接收电路，其包括被配置为接收信号和本地信号以混合信号的混频器，所述混频器被配置为将信号转换成中频信号，IF滤波器被配置为滤波中频从所述混频器输出的信号; IF放大器，被配置为放大从所述IF滤波器输出的所述中频信号的频带;以及解调电路，被配置为接收从所述IF放大器输出的信号以进行解调，其中所述解调部分电路设置在接收电路的外部。

2. 发明申请

US20050110571A1 Variable gain amplifier 有权
标题翻译：可变增益放大器
公开(公告)号：US20050110571A1
公开(公告)日：2005-05-26
申请号：US10968008
申请日：2004-10-20
申请人： Teruo Imayama , Tsuneo Suzuki
发明人： Teruo Imayama , Tsuneo Suzuki
IPC分类号： H03G3/30 , H03F3/45
CPC分类号： H03G3/3042 , H03G3/3047
摘要： A variable gain amplifier includes a first constant current amplifier configured to generate a reference current from an input signal. A controller is configured to generate a bias current and a first control signal based on control voltage. An addition current generator is configured to generate a variable current from the input signal based on the bias current, and to generate a addition current by controlling the variable current in accordance with the first control signal. An adder is configured to generate a first output signal by adding the reference current and the addition current.
摘要翻译：可变增益放大器包括被配置为从输入信号产生参考电流的第一恒流放大器。控制器被配置为基于控制电压产生偏置电流和第一控制信号。附加电流发生器被配置为基于偏置电流从输入信号产生可变电流，并且通过根据第一控制信号控制可变电流来产生相加电流。加法器被配置为通过将参考电流和相加电流相加来产生第一输出信号。

3. 发明授权

US07158766B2 Wideband amplifier compensating input capacitance, radio transceiver, semiconductor integrated circuit and wideband amplification method 失效
标题翻译：宽带放大器补偿输入电容，无线电收发器，半导体集成电路和宽带放大方法
公开(公告)号：US07158766B2
公开(公告)日：2007-01-02
申请号：US10387391
申请日：2003-03-14
申请人： Teruo Imayama , Tsuneo Suzuki
发明人： Teruo Imayama , Tsuneo Suzuki
IPC分类号： H04B1/00 , H04B7/00
CPC分类号： H04B1/30 , H04B1/403
摘要： A radio transceiver encompasses an antenna unit configured to convert the electric wave to the electric signal, a receiver configure to generate the compensation current supplied to load having an output capacity based on the electric signal and the second in-phase signal of an in-phase, a transmitter configured to transmit the signal, and a baseband circuit configured to transmit and to receive of the signal.
摘要翻译：无线电收发机包括被配置为将电波转换为电信号的天线单元，接收器被配置为基于电信号和同相的第二同相信号产生提供给具有输出容量的负载的补偿电流，被配置为发送所述信号的发射机以及被配置为发送和接收所述信号的基带电路。

4. 发明授权

US06806769B2 Differential amplifier 失效
标题翻译：差分放大器
公开(公告)号：US06806769B2
公开(公告)日：2004-10-19
申请号：US10318095
申请日：2002-12-13
申请人： Teruo Imayama , Tsuneo Suzuki
发明人： Teruo Imayama , Tsuneo Suzuki
IPC分类号： H03F345
CPC分类号： H03F1/3211 , H03F1/3276 , H03F3/45085 , H03F2203/45392 , H03F2203/45568 , H03F2203/45612 , H03F2203/45702
摘要： A differential amplifier comprises an emitter follower, a differential amplifying circuit connected in a succeeding stage to the emitter follower, and a load circuit to compensate distortion of the differential amplifying circuit.
摘要翻译：差分放大器包括射极跟随器，在后级连接到射极跟随器的差分放大电路，以及用于补偿差分放大电路的失真的负载电路。

5. 发明授权

US07479832B2 Differential amplifying system 失效
标题翻译：差分放大系统
公开(公告)号：US07479832B2
公开(公告)日：2009-01-20
申请号：US11672215
申请日：2007-02-07
申请人： Teruo Imayama
发明人： Teruo Imayama
IPC分类号： H03F3/45 , H03G3/20
CPC分类号： H03F3/45475 , H03F1/0266 , H03F1/3211 , H03F3/45098 , H03F2200/456 , H03F2200/462 , H03F2200/474 , H03F2203/45136 , H03F2203/45154 , H03F2203/45156 , H03F2203/45398
摘要： A differential amplifying system has a differential amplifier for amplifying a voltage signal inputted from an input terminal and outputting the amplified voltage signal through an output terminal; an amplitude detection circuit for detecting an amplitude of said voltage signal inputted to said differential amplifier and outputting a detected current corresponding to the amplitude; a compensation circuit having: a current mirror circuit for outputting a compensating current at a desired mirror ratio for an input of said detected current; and a feedback circuit for changing a mirror ratio of said current mirror circuit in order to control a magnitude of the compensating current according to an amplitude of the voltage signal detected by said amplitude detection circuit; and a bias circuit for supplying bias voltage to said differential amplifier in order to add a bias value to inputted said voltage signal based on the magnitude of said compensating current.
摘要翻译：差分放大系统具有差分放大器，用于放大从输入端输入的电压信号，并通过输出端输出放大的电压信号; 振幅检测电路，用于检测输入到所述差分放大器的所述电压信号的幅度，并输出对应于所述振幅的检测电流; 一种补偿电路，具有：电流镜电路，用于以所需的镜像比输出所述检测电流的输入的补偿电流; 以及反馈电路，用于改变所述电流镜电路的镜像比，以便根据由所述幅度检测电路检测的电压信号的幅度来控制补偿电流的幅度; 以及偏置电路，用于向所述差分放大器提供偏置电压，以便基于所述补偿电流的大小向输入的所述电压信号添加偏置值。

6. 发明授权

US06456143B2 Frequency multiplier circuit and semiconductor integrated circuit 有权
标题翻译：倍频电路和半导体集成电路
公开(公告)号：US06456143B2
公开(公告)日：2002-09-24
申请号：US09842807
申请日：2001-04-27
申请人： Hiroshi Masumoto , Tsuneo Suzuki , Teruo Imayama
发明人： Hiroshi Masumoto , Tsuneo Suzuki , Teruo Imayama
IPC分类号： G06F744
CPC分类号： H03B21/04 , H03B19/14 , H03B21/01
摘要： A frequency multiplier circuit comprises: a source oscillator configured to generate a source oscillator signal using a crystal oscillator; and n frequency multiplier circuits (n is an integer which is 2 or more), each of which includes a 90° phase shifter circuit configured to shift the phase of an input signal by 90°, and a mixer configured to generate a doubled signal of the input signal on the basis of the input signal and an output signal of the 90° phase shifter circuit, wherein the n frequency multiplier circuits are cascade-connected, the source oscillation signal being inputted to a first stage frequency multiplier circuit of the n frequency multiplier circuits, and a final stage frequency multiplier circuit of the n frequency multiplier circuits outputting a signal having a frequency 2n times as high as the frequency of the source oscillation signal.
摘要翻译：一种倍频器电路，包括：源振荡器，被配置为使用晶体振荡器产生源振荡器信号; 和n个倍频器电路（n为2以上的整数），其中，每一个都包括90°移相器电路，其被配置为使输入信号的相位偏移90°;以及混频器，被配置为产生双倍信号基于输入信号的输入信号和90°移相器电路的输出信号，其中n个倍频电路级联连接，源振荡信号被输入到n频率的第一级倍频器电路乘法器电路和n个倍频电路的最终级倍频电路，输出具有与源振荡信号的频率相同的2n倍的频率的信号。

7. 发明授权

US08362822B2 Semiconductor device having a bias resistor circuit 有权
标题翻译：具有偏置电阻电路的半导体器件
公开(公告)号：US08362822B2
公开(公告)日：2013-01-29
申请号：US13045699
申请日：2011-03-11
申请人： Teruo Imayama
发明人： Teruo Imayama
IPC分类号： G11C5/14
CPC分类号： H03F1/301 , H01L27/0629 , H01L2924/0002 , H03F2200/141 , H03F2200/18 , H01L2924/00
摘要： According to one embodiment, a semiconductor device provided with an input terminal and a resistor circuit is presented. The resistor circuit is provided with first and second transistors, a first resistor, a capacitor and a capacitor. A drain of the first transistor is connected to the input terminal. One end of the first resistor is connected to a gate of the first transistor. A drain of the second transistor is connected to a source of the first transistor. A gate of the second transistor is connected to the other end of the first resistor. A source of the second transistor is connected to a power supply of a source side. The capacitor is connected between the drain and the gate of the first transistor. The voltage supply circuit is connected to the other end of the first resistor and the gate of the second transistor.
摘要翻译：根据一个实施例，提供了具有输入端子和电阻器电路的半导体器件。电阻电路设置有第一和第二晶体管，第一电阻器，电容器和电容器。第一晶体管的漏极连接到输入端子。第一电阻器的一端连接到第一晶体管的栅极。第二晶体管的漏极连接到第一晶体管的源极。第二晶体管的栅极连接到第一电阻器的另一端。第二晶体管的源极连接到源极侧的电源。电容器连接在第一晶体管的漏极和栅极之间。电压供给电路连接到第一电阻器的另一端和第二晶体管的栅极。

8. 发明申请

US20110298533A1 SEMICONDUCTOR DEVICE HAVING A BIAS RESISTOR CIRCUIT 有权
标题翻译：具有偏置电阻电路的半导体器件
公开(公告)号：US20110298533A1
公开(公告)日：2011-12-08
申请号：US13045699
申请日：2011-03-11
申请人： Teruo Imayama
发明人： Teruo Imayama
IPC分类号： H01L25/00
CPC分类号： H03F1/301 , H01L27/0629 , H01L2924/0002 , H03F2200/141 , H03F2200/18 , H01L2924/00
摘要： According to one embodiment, a semiconductor device provided with an input terminal and a resistor circuit is presented. The resistor circuit is provided with first and second transistors, a first resistor, a capacitor and a capacitor. A drain of the first transistor is connected to the input terminal. One end of the first resistor is connected to a gate of the first transistor. A drain of the second transistor is connected to a source of the first transistor. A gate of the second transistor is connected to the other end of the first resistor. A source of the second transistor is connected to a power supply of a source side. The capacitor is connected between the drain and the gate of the first transistor. The voltage supply circuit is connected to the other end of the first resistor and the gate of the second transistor.
摘要翻译：根据一个实施例，提供了具有输入端子和电阻器电路的半导体器件。电阻电路设置有第一和第二晶体管，第一电阻器，电容器和电容器。第一晶体管的漏极连接到输入端子。第一电阻器的一端连接到第一晶体管的栅极。第二晶体管的漏极连接到第一晶体管的源极。第二晶体管的栅极连接到第一电阻器的另一端。第二晶体管的源极连接到源极侧的电源。电容器连接在第一晶体管的漏极和栅极之间。电压供给电路连接到第一电阻器的另一端和第二晶体管的栅极。

9. 发明授权

US07038542B2 Variable gain amplifier 有权
标题翻译：可变增益放大器
公开(公告)号：US07038542B2
公开(公告)日：2006-05-02
申请号：US10968008
申请日：2004-10-20
申请人： Teruo Imayama , Tsuneo Suzuki
发明人： Teruo Imayama , Tsuneo Suzuki
IPC分类号： H03F3/45
CPC分类号： H03G3/3042 , H03G3/3047
摘要： A variable gain amplifier includes a first constant current amplifier configured to generate a reference current from an input signal. A controller is configured to generate a bias current and a first control signal based on control voltage. An addition current generator is configured to generate a variable current from the input signal based on the bias current, and to generate a addition current by controlling the variable current in accordance with the first control signal. An adder is configured to generate a first output signal by adding the reference current and the addition current.
摘要翻译：可变增益放大器包括被配置为从输入信号产生参考电流的第一恒流放大器。控制器被配置为基于控制电压产生偏置电流和第一控制信号。附加电流发生器被配置为基于偏置电流从输入信号产生可变电流，并且通过根据第一控制信号控制可变电流来产生相加电流。加法器被配置为通过将参考电流和相加电流相加来产生第一输出信号。

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