FREQUENCY LIMITING AMPLIFIER IN A FSK RECEIVER
    1.
    发明申请
    FREQUENCY LIMITING AMPLIFIER IN A FSK RECEIVER 审中-公开
    频率限幅放大器在FSK接收器

    公开(公告)号:WO2007126573A3

    公开(公告)日:2008-02-14

    申请号:PCT/US2007006299

    申请日:2007-03-13

    Abstract: A system for processing signal communications between a frequency translation module (20) and an integrated receiver decoder (60). According to an exemplary embodiment, the decoder (60) and the frequency translation module comprise a signal processing apparatus comprising an input for receiving an frequency shift keyed modulated signal, an amplifier having negative feedback coupled to said input, wherein said input is further coupled to a first source of reference potential and a second source of reference potential; and a tank circuit coupled between said differential amplifier and an output. More particularly, the amplifier may comprise a first transistor having a first collector, a first emitter and a first base coupled to a signal source wherein said first base is further coupled to said first collector and a second transistor with a second base, a second emitter coupled to said first emitter, and a second collector, wherein said second collector is coupled to a bandpass filter and said bandpass filter is further coupled to an output.

    Abstract translation: 一种用于处理频率转换模块(20)和集成接收机解码器(60)之间的信号通信的系统。 根据示例性实施例,解码器(60)和频率转换模块包括信号处理设备,其包括用于接收频移键控调制信号的输入端,耦合到所述输入端的负反馈放大器,其中所述输入还耦合到 参考潜力的第一个来源和第二个参考潜力来源; 以及耦合在所述差分放大器和输出端之间的储能电路。 更具体地,放大器可以包括具有第一集电极,第一发射极和耦合到信号源的第一基极的第一晶体管,其中所述第一基极还耦合到所述第一集电极,第二晶体管具有第二基极,第二发射极 耦合到所述第一发射极和第二集电极,其中所述第二集电极耦合到带通滤波器,并且所述带通滤波器还耦合到输出端。

    ELECTRONIC CIRCUIT FOR A MICROPHONE AND MICROPHONE
    2.
    发明申请
    ELECTRONIC CIRCUIT FOR A MICROPHONE AND MICROPHONE 审中-公开
    麦克风和麦克风的电子电路

    公开(公告)号:WO2017016591A1

    公开(公告)日:2017-02-02

    申请号:PCT/EP2015/067180

    申请日:2015-07-27

    Applicant: EPCOS AG

    Inventor: ROCCA, Gino

    Abstract: The electronic circuit (10)comprises an input stage (Pre_amp)for pre-amplifying an electrical input signal of the electronic circuit (10)provided by a transducer (MEMS). Furthermore, the electronic circuit (10)comprises an output stage (T_amp)for providing a microphone output signal by processing an output signal of the input stage (Pre_amp). The electronic circuit (10)comprises an adjustable output load (RS)arranged and configured for setting a current draw of the output stage (T_amp). Additionally, the electronic cir- cuit (10)comprises a measurement circuit(P_det)configured to capture the output signal of the input stage (Pre_amp)and an automatic control circuit (ACC) configured to adjust the adjustable output load (RS)dependent on the captured output signal of the input stage (Pre_amp).

    Abstract translation: 电子电路(10)包括用于对由换能器(MEMS)提供的电子电路(10)的电输入信号进行预放大的输入级(Pre_amp)。 此外,电子电路(10)包括用于通过处理输入级(Pre_amp)的输出信号来提供麦克风输出信号的输出级(T_amp)。 电子电路(10)包括布置和配置用于设置输出级(T_amp)的电流消耗的可调输出负载(RS)。 另外,电子电路(10)包括被配置为捕获输入级(Pre_amp)的输出信号的测量电路(P_det)和被配置为调整可调输出负载(RS)的自动控制电路(ACC),该自动控制电路 输入级的捕获输出信号(Pre_amp)。

    TUNABLE RF FILTER
    4.
    发明申请
    TUNABLE RF FILTER 审中-公开
    TUNABLE射频过滤器

    公开(公告)号:WO2009037625A3

    公开(公告)日:2009-07-23

    申请号:PCT/IB2008053721

    申请日:2008-09-15

    Abstract: A tunable RF filter, comprising: an emitter follower stage (2); and a common emitter stage (4); the common emitter stage (4) providing feedback to the emitter follower stage (2). The common emitter stage (4) may comprise a first transistor (Ti) being the only transistor of the common emitter stage (4); and the emitter follower stage (2) may comprise a second transistor (T2) being the only transistor of the emitter follower stage (2). A further tunable RF filter provides improved linearity, comprising: an emitter follower stage (22); a joint common emitter and emitter follower stage (24); and a gain stage (26); a common emitter output of the joint common emitter and emitter follower stage (24) providing feedback to the emitter follower stage (22), and an emitter follower output of the joint common emitter and emitter follower stage (24) providing an input to the gain stage (26).

    Abstract translation: 一种可调谐RF滤波器,包括:射极跟随器级(2); 和共同发射极级(4); 所述公共发射极级(4)向所述射极跟随器级(2)提供反馈。 公共发射极级(4)可以包括作为公共发射极级(4)的唯一晶体管的第一晶体管(Ti)。 并且射极跟随器级(2)可以包括作为射极跟随器级(2)的唯一晶体管的第二晶体管(T2)。 另一可调谐RF滤波器提供改进的线性度,包括:射极跟随器级(22); 共同的发射极和射极跟随器级(24); 和增益阶段(26); 联合共发射极和射极跟随器级(24)的共发射极输出,为射极跟随器级(22)提供反馈,以及联合公共发射极和射极跟随器级(24)的射极跟随器输出,为增益提供输入 阶段(26)。

    FREQUENCY TRANSLATION MODULE FREQUENCY LIMITING AMPLIFIER
    5.
    发明申请
    FREQUENCY TRANSLATION MODULE FREQUENCY LIMITING AMPLIFIER 审中-公开
    频率翻译模块频率限幅放大器

    公开(公告)号:WO2007126573A2

    公开(公告)日:2007-11-08

    申请号:PCT/US2007/006299

    申请日:2007-03-13

    Abstract: A system for processing signal communications between a frequency translation module (20) and an integrated receiver decoder (60). According to an exemplary embodiment, the decoder (60) and the frequency translation module comprise a signal processing apparatus comprising an input for receiving an frequency shift keyed modulated signal, an amplifier having negative feedback coupled to said input, wherein said input is further coupled to a first source of reference potential and a second source of reference potential; and a tank circuit coupled between said differential amplifier and an output. More particularly, the amplifier may comprise a first transistor having a first collector, a first emitter and a first base coupled to a signal source wherein said first base is further coupled to said first collector and a second transistor with a second base, a second emitter coupled to said first emitter, and a second collector, wherein said second collector is coupled to a bandpass filter and said bandpass filter is further coupled to an output.

    Abstract translation: 一种用于处理频率转换模块(20)和集成接收机解码器(60)之间的信号通信的系统。 根据示例性实施例,解码器(60)和频率转换模块包括信号处理设备,其包括用于接收频移键控调制信号的输入端,耦合到所述输入端的负反馈放大器,其中所述输入还耦合到 参考潜力的第一个来源和第二个参考潜力来源; 以及耦合在所述差分放大器和输出端之间的储能电路。 更具体地,放大器可以包括具有第一集电极,第一发射极和耦合到信号源的第一基极的第一晶体管,其中所述第一基极还耦合到所述第一集电极,第二晶体管具有第二基极,第二发射极 耦合到所述第一发射极和第二集电极,其中所述第二集电极耦合到带通滤波器,并且所述带通滤波器还耦合到输出端。

    TUNABLE RF FILTER
    6.
    发明申请
    TUNABLE RF FILTER 审中-公开
    可调RF滤波器

    公开(公告)号:WO2009037625A2

    公开(公告)日:2009-03-26

    申请号:PCT/IB2008/053721

    申请日:2008-09-15

    Abstract: A tunable RF filter, comprising: an emitter follower stage (2); and a common emitter stage (4); the common emitter stage (4) providing feedback to the emitter follower stage (2). The common emitter stage (4) may comprise a first transistor (Ti) being the only transistor of the common emitter stage (4); and the emitter follower stage (2) may comprise a second transistor (T2) being the only transistor of the emitter follower stage (2). A further tunable RF filter provides improved linearity, comprising: an emitter follower stage (22); a joint common emitter and emitter follower stage (24); and a gain stage (26); a common emitter output of the joint common emitter and emitter follower stage (24) providing feedback to the emitter follower stage (22), and an emitter follower output of the joint common emitter and emitter follower stage (24) providing an input to the gain stage (26).

    Abstract translation: 一种可调RF滤波器,包括:射极跟随器级(2); 和公共发射极级(4); 公共发射极级(4)向射极跟随器级(2)提供反馈。 公共发射极级(4)可以包括作为公共发射极级(4)的唯一晶体管的第一晶体管(Ti); 并且射极跟随器级(2)可以包括作为射极跟随器级(2)的唯一晶体管的第二晶体管(T2)。 另一可调RF滤波器提供改进的线性,包括:射极跟随器级(22); 一个共同的发射极和发射极跟随器级(24); 和增益级(26); 连接公共发射极和射极跟随器级(24)的公共发射极输出端向射极跟随器级(22)提供反馈,并且连接公共发射极和射极跟随器级(24)的射极跟随器输出端提供增益 阶段(26)。

    受信装置およびそれを用いた電子機器
    8.
    发明申请
    受信装置およびそれを用いた電子機器 审中-公开
    接收装置和使用该装置的电子装置

    公开(公告)号:WO2006035754A1

    公开(公告)日:2006-04-06

    申请号:PCT/JP2005/017714

    申请日:2005-09-27

    Inventor: 矢野 伸治

    Abstract:  リモートコントロール装置などの受信装置において、トレードオフの関係にあるダイナミックレンジと検出感度の2つの特性を同時に改善する。  フォトダイオード10は、送信装置200から送出される赤外線信号を受光する。電流分配部12は、フォトダイオード10から出力される検出電流Idを第1検出電流Id1、第2検出電流Id2としてそれぞれ後段の第1電流電圧変換増幅器14a、第2電流電圧変換増幅器14bへと出力する。第1、第2電流電圧変換増幅器14a、14bはそれぞれ電流電圧変換利得g1、g2で検出電流を電圧に変換する。第1、第2電流電圧変換増幅器14a、14bの電流電圧変換利得g1、g2は、分配された検出電流Id1、Id2を有意に増幅することのできる信号レベルの範囲が異なるように設定されている。

    Abstract translation: 在远程控制装置的接收装置中,同时具有彼此具有权衡关系的动态范围和检测灵敏度的两个特性。 光电二极管(10)接收从发送装置(200)发送的红外信号。 电流分配部分(12)接收从光电二极管(10)输出的检测电流(Id),以将第一和第二检测电流(Id1,Id2)分别分配给第一和第二电流/电压转换放大器(14a,14b) 在以下阶段。 第一和第二电流/电压转换放大器(14a,14b)分别通过使用电流/电压转换增益(g1,g2)将检测电流转换成电压。 已经建立了第一和第二电流/电压转换放大器(14a,14b)的电流/电压转换增益(g1,g2),以提供不同的信号电平范围,其中分布式检测电流(Id1,Id2)可以是 显着放大。

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