Fully monolithic voltage controlled oscillator with wide tuning range
    2.
    发明授权
    Fully monolithic voltage controlled oscillator with wide tuning range 失效
    全调整压控振荡器,调谐范围宽

    公开(公告)号:US5973575A

    公开(公告)日:1999-10-26

    申请号:US22536

    申请日:1998-02-12

    IPC分类号: H03B1/00 H03B5/12 H03B5/18

    摘要: A voltage controlled oscillator for wide tuning range of frequency with less phase noise has a bipolar transistor provided with a positive feedback circuit between a base and an emitter of the transistor, an impedance matching circuit coupled with a collector of the transistor and an output terminal, a resistor coupled between the base of the transistor and a control source which provides control voltage for adjusting oscillation frequency of the oscillator. The base of the transistor shows capacitive negative impedance, and an inductive element is coupled with the base of the transistor for oscillation. The emitter of the transistor is grounded for D.C. voltage through an inductor or a transmission line, or coupled with a control voltage.

    摘要翻译: 用于具有较小相位噪声的宽调谐频率范围的压控振荡器具有在晶体管的基极和发射极之间提供正反馈电路的双极晶体管,与晶体管的集电极耦合的阻抗匹配电路和输出端子, 耦合在晶体管的基极和控制源之间的电阻器,其提供用于调节振荡器的振荡频率的控制电压。 晶体管的基极表示容性负阻抗,并且电感元件与用于振荡的晶体管的基极耦合。 晶体管的发射极通过电感器或传输线接地直流电压,或与控制电压耦合。

    High frequency masterslice monolithic integrated circuit
    3.
    发明授权
    High frequency masterslice monolithic integrated circuit 失效
    高频主机单片集成电路

    公开(公告)号:US5739560A

    公开(公告)日:1998-04-14

    申请号:US528411

    申请日:1995-09-14

    IPC分类号: H01L23/66 H01L27/10 H01L29/00

    摘要: A monolithic integrated circuit utilizing areas associated with unused devices for wiring signal lines, thereby implementing effective wiring and improving high frequency characteristics. A common substrate consisting of a semiconductor substrate, and active devices, capacitor electrodes and resistors formed on the semiconductor substrate, is followed by a dielectric film, a ground metal, a dielectric film whose thickness is equal to or greater than 1 .mu.m, and signal lines. A desired circuit is formed by connecting the signal lines with electrodes of the active devices and other elements via, holes in the dielectric films, and windows of the ground metal. The windows of the ground metal are formed over portions of active devices which are used as components of the circuit.

    摘要翻译: 利用与用于布线信号线的未使用装置相关联的区域的单片集成电路,从而实现有效布线并提高高频特性。 由半导体衬底以及形成在半导体衬底上的有源器件,电容器电极和电阻器构成的公共衬底之后是电介质膜,接地金属,厚度等于或大于1μm的电介质膜,以及 信号线。 通过将信号线与有源器件和其他元件的电极,电介质膜中的孔和接地金属的窗口连接而形成期望的电路。 接地金属的窗口形成在用作电路的部件的有源器件的部分上。

    Balun circuit with a cancellation element in each coupled line
    4.
    发明授权
    Balun circuit with a cancellation element in each coupled line 失效
    平衡逆变电路在每个耦合线路中具有消除元件

    公开(公告)号:US6150897A

    公开(公告)日:2000-11-21

    申请号:US49011

    申请日:1998-03-27

    IPC分类号: H01P5/10 H03D9/06

    CPC分类号: H01P5/10

    摘要: A Marchand balun cirucit having a pair of coupled lines of quarter wavelength for dividing and/or combining signals with the same amplitude and opposite phase with each other is improved by inserting a cancellation element between said pair of coupled lines. Said cancellation element may be a transmission line, a capacitor, or an inductor which improves amplitude difference error and phase difference error of a pair of outputs by controlling phase velocity for an even mode so that phase velocity for an even mode becomes equal to that for an odd mode. Thus, a balun circuit with wide operation band, and less error of amplitude difference and phase difference is obtained.

    摘要翻译: 具有一对四分之一波长的耦合线的Marchand平衡 - 不平衡转换器通过在所述一对耦合线之间插入抵消元件来改善相互振幅和相反相位的信号的分频和/或组合。 所述消除元件可以是传输线,电容器或电感器,其通过控制偶模式的相位速度来改善一对输出的幅度差误差和相位差误差,使得偶模式的相速度等于 奇怪的模式。 因此,获得具有宽工作频带的平衡 - 不平衡转换电路,并且获得较小的幅度差和相位差的误差。

    Negative feedback variable gain amplifier circuit
    5.
    发明授权
    Negative feedback variable gain amplifier circuit 失效
    负反馈可变增益放大器电路

    公开(公告)号:US5661437A

    公开(公告)日:1997-08-26

    申请号:US514381

    申请日:1995-08-11

    IPC分类号: H03F1/34 H03G1/00 H03G3/30

    摘要: A variable gain amplifier circuit in which a feedback circuit that feeds back the output signal of an amplifier from its output terminal to its input terminal is composed of an FET. The gate terminal of the feedback FET is connected to the output terminal of the amplifier through a capacitor, and the source terminal of the feedback FET is connected to the input terminal of the amplifier. The gain of the amplifying circuit is controlled by varying the transconductance of the feedback FET by controlling a bias voltage applied to the gate or drain terminal of the feedback FET. This makes it possible to control the gain independently of the physical dimension of the feedback FET, and at the same time, to prevent the input signal from being transmitted from the input side to the output side through the feedback circuit.

    摘要翻译: 一种可变增益放大器电路,其中反馈电路将放大器的输出信号从其输出端子反馈到其输入端子由FET组成。 反馈FET的栅极端子通过电容器连接到放大器的输出端子,反馈FET的源极端子连接到放大器的输入端子。 通过控制施加到反馈FET的栅极或漏极端子的偏置电压来改变反馈FET的跨导来控制放大电路的增益。 这使得可以独立于反馈FET的物理尺寸来控制增益,并且同时防止输入信号通过反馈电路从输入侧传输到输出侧。

    WIDEBAND LOW-NOISE AMPLIFIER
    6.
    发明申请
    WIDEBAND LOW-NOISE AMPLIFIER 有权
    宽带低噪声放大器

    公开(公告)号:US20100066452A1

    公开(公告)日:2010-03-18

    申请号:US12595163

    申请日:2008-05-16

    IPC分类号: H03F1/34

    摘要: A wideband low-noise amplifier of the present invention is designed such that an input terminal is connected to a base of a first transistor, one terminal of a first passive element, and one terminal of a third passive element; an emitter of the first transistor is grounded; a collector of the first transistor is connected to an output terminal, a base of a second transistor, one terminal of a capacitor, and one terminal of a second passive element; the other terminal of the first passive element is connected to the other terminal of the capacitor; an emitter of the second transistor is connected to the other terminal of the third passive element; and a power terminal is connected to a collector of the second transistor and the other terminal of the second passive element, wherein impedance of the third passive element is determined based on impedance of the first transistor whose emitter size is determined to suite desired saturation level of amplification, thus establishing input impedance matching.

    摘要翻译: 本发明的宽带低噪声放大器被设计成使得输入端子连接到第一晶体管的基极,第一无源元件的一个端子和第三无源元件的一个端子; 第一晶体管的发射极接地; 第一晶体管的集电极连接到输出端子,第二晶体管的基极,电容器的一个端子和第二无源元件的一个端子; 第一无源元件的另一个端子连接到电容器的另一个端子; 第二晶体管的发射极连接到第三无源元件的另一个端子; 并且电源端子连接到所述第二晶体管的集电极和所述第二无源元件的另一端子,其中所述第三无源元件的阻抗基于所述第一晶体管的阻抗来确定,所述第一晶体管的发射极尺寸被确定为将所需的饱和电平 放大,从而建立输入阻抗匹配。

    Filing device and supplemental sheet-like material for the same
    9.
    发明授权
    Filing device and supplemental sheet-like material for the same 失效
    归档装置和补充片状材料相同

    公开(公告)号:US5441308A

    公开(公告)日:1995-08-15

    申请号:US965410

    申请日:1992-12-30

    申请人: Kenjiro Nishikawa

    发明人: Kenjiro Nishikawa

    摘要: A filing device which can detachably secure and hold sheet-like materials to be filed at the inner side of the spine with reliable adhesion without forming punching holes in which non-staining soft polyurethane elastomer having continuous high adhesion at room temperature is secured to the inner side of the spine and the sheet-like materials are secured to and held with the polyurethane elastomer at their edges, and also supplemental sheet-like materials to be used with said filing device.

    摘要翻译: PCT No.PCT / JP91 / 01264 Sec。 一九九二年十二月三十日 102(e)日期1992年12月30日PCT 1991年9月21日PCT PCT。 第WO92 / 17343号公报 日期:1992年10月15日。一种可拆卸地固定和保持片状材料的填充装置,其可靠地粘附在脊柱的内侧,而不形成冲孔,其中具有连续高粘附性的非染色软质聚氨酯弹性体 室温被固定在脊柱的内侧,并且片状材料固定在聚氨酯弹性体上并保持在它们的边缘,以及与所述的归档装置一起使用的补充的片状材料。

    Method of forming fillets
    10.
    发明授权
    Method of forming fillets 失效
    形成鱼片的方法

    公开(公告)号:US4474823A

    公开(公告)日:1984-10-02

    申请号:US379542

    申请日:1982-05-18

    CPC分类号: A22C25/20 A22C25/00 A23L17/75

    摘要: A method of processing fish fillets into seafood products is disclosed. Fish fillets can be readily and quickly processed into frozen seafood products having desired shapes. After catching fish and other fishery products, only fillets thereof that are suited for food are converted to frozen blocks aboard ship. The frozen blocks cut into pieces are pressure-formed into a desired shape after they are transported to a processing place on land.

    摘要翻译: 公开了将鱼片加工成海产品的方法。 鱼片可以容易地快速地加工成具有所需形状的冷冻海产品。 捕鱼和其他渔业产品后,只有适合食物的鱼片才能转换成船上的冷冻块。 切成块的冷冻块在运送到陆地上的处理场所之后被压力成形为期望的形状。