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    • 5. 发明授权
    • 교차쌍 구조의 트랜스 컨덕터
    • 교차쌍구조의트랜스컨덕터
    • KR100423494B1
    • 2004-03-18
    • KR1020020012222
    • 2002-03-07
    • 삼성전자주식회사
    • 이정원조계옥이정은
    • H03F3/45
    • H03F3/45807H02M7/217H03F1/223H03F3/45286H03F2203/45394
    • A transconductor for generating a current corresponding to an input voltage. The transconductor has a crossing pairs structure. The transconductor comprises a first and a second MOS(Metal-Oxide Semiconductor) transistors mutually connected in series to a voltage source. A first bipolar transistor is connected to a current source. A collector terminal of the first bipolar terminal is connected to an output current terminal. An emitter terminal of the first bipolar terminal is connected to a gate terminal of the second MOS transistor. A second bipolar transistor is connected in series to the first bipolar transistor. A base terminal of the second bipolar transistor is connected to a node between the first MOS transistor and the second MOS transistor. A third MOS transistor is provided. A gate terminal of the third MOS transistor is connected to an input terminal for a signal from outside. A drain terminal of the third MOS transistor is connected to an emitter terminal of the second bipolar transistor.
    • 用于产生对应于输入电压的电流的跨导器。 跨导体具有交叉对结构。 跨导器包括相互串联连接到电压源的第一和第二MOS(金属氧化物半导体)晶体管。 第一个双极晶体管连接到电流源。 第一双极端子的集电极端子连接到输出电流端子。 第一双极端子的发射极端子连接到第二MOS晶体管的栅极端子。 第二双极晶体管串联连接到第一双极晶体管。 第二双极晶体管的基极端子连接到第一MOS晶体管和第二MOS晶体管之间的节点。 提供第三MOS晶体管。 第三MOS晶体管的栅极端子连接到用于来自外部的信号的输入端子。 第三MOS晶体管的漏极端连接到第二双极晶体管的发射极端。
    • 6. 发明公开
    • 증폭회로
    • 放大器电路
    • KR1020020025701A
    • 2002-04-04
    • KR1020010057535
    • 2001-09-18
    • 가부시끼가이샤 도시바
    • 우메다도시유키오타카쇼지
    • H03F3/45
    • H03F3/45089H03D7/1433H03D7/1458H03D7/1491H03D2200/0025H03D2200/0033H03D2200/0043H03F1/3211H03F3/191H03F2203/45394H03F2203/45544H03F2203/45702H03F2203/45704H03F2203/45706
    • PURPOSE: The amplifier circuit is provided, in which a tertiary intermodulation distortion is controlled without a need to reduce output power. CONSTITUTION: The amplifier circuit comprises a differential amplifier(102), a common emitter amplifier(101), input and output terminals(Vin,Vout), and a bias controller(201). The differential amplifier(102) includes a pair of transistors. The common emitter amplifier(101) is connected in parallel to the differential amplifier(102) and configured by a pair of common-emitter configuration transistors. The input and output terminals(Vin,Vout) are common to the differential amplifier and the common emitter amplifier. The bias controller(201) is connected to the differential amplifier and the common emitter amplifier and configured to control a bias of at least one of the differential amplifier and the common emitter amplifier.
    • 目的:提供放大器电路,其中控制三次互调失真,而不需要降低输出功率。 构成:放大器电路包括差分放大器(102),公共发射极放大器(101),输入和输出端子(Vin,Vout)和偏置控制器(201)。 差分放大器(102)包括一对晶体管。 公共发射极放大器(101)并联连接到差分放大器(102)并由一对共发射极配置晶体管构成。 输入和输出端子(Vin,Vout)是差分放大器和公共发射极放大器公共的。 偏置控制器(201)连接到差分放大器和公共发射极放大器,并被配置为控制差分放大器和公共发射极放大器中的至少一个的偏置。