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13 条记录 (耗时 0.008 秒)

    Voltage controled oscillator
    3.
    发明公开
    Voltage controled oscillator 有权
    Spannungsgesteuerter Oszillator

    公开(公告)号：EP1081846A1

    公开(公告)日：2001-03-07

    申请号：EP00306590.1

    申请日：2000-08-02

    申请人： ALPS ELECTRIC CO., LTD.

    发明人： Ikarashi, Yasuhiro, Alps Electric Co., Ltd.

    IPC分类号： H03B5/12

    CPC分类号： H03B5/1231 ,  H03B5/1203 ,  H03B5/1268 ,  H03B2201/0258 ,  H03B2202/07 ,  H03B2202/08

    摘要： Disclosed is a voltage controlled oscillator which is prevented from generating an abnormal oscillation signal and realizes reduction in the number of parts used including a large part, a smaller structure as a whole, and a lower manufacturing cost. This voltage controlled oscillator comprises: an oscillation transistor (1 1 ) which operates by common-base connection and outputs an oscillation signal from the emitter; an amplification transistor (1 2 ) which operates by common-emitter connection and whose base receives the oscillation signal; and a resonance circuit (2) connected to the collector of the oscillation transistor. In the resonance circuit, an inductor (2 1 ) for resonance is connected in a d.c. circuit provided between the collector of the oscillation transistor and the emitter of the amplification transistor, and a capacitor for resonance is connected between the collector of the oscillation transistor and an earth point.

    摘要翻译： 公开了一种电压控制振荡器，其被防止产生异常振荡信号，并且实现了包括大部分，整体上较小结构和较低制造成本的部件数量的减少。 该压控振荡器包括：通过共基极连接进行工作的振荡晶体管（11），并从发射极输出振荡信号; 放大晶体管（12），其通过共发射极连接工作，其基极接收振荡信号; 和连接到振荡晶体管的集电极的谐振电路（2）。 在谐振电路中，用于谐振的电感器（21）以直流电连接。 设置在振荡晶体管的集电极和放大晶体管的发射极之间的电路和用于谐振的电容器连接在振荡晶体管的集电极和接地点之间。

    A balanced integrated semiconductor device operating with a parallel resonator circuit
    5.
    发明公开
    A balanced integrated semiconductor device operating with a parallel resonator circuit 失效
    Erdsymmetrische Halbleiterintegrierte Anordnung mit einer Parallelresonanzschaltung

    公开(公告)号：EP0785616A1

    公开(公告)日：1997-07-23

    申请号：EP96200152.5

    申请日：1996-01-22

    申请人： TELEFONAKTIEBOLAGET LM ERICSSON

    发明人： Van Roosmalen, Marcel Wilhelm Rudolf Martin

    IPC分类号： H03B5/12

    CPC分类号： H03B5/1231 ,  H01L2224/05553 ,  H01L2224/48247 ,  H01L2924/1305 ,  H01L2924/13091 ,  H01L2924/30107 ,  H01L2924/3011 ,  H03B5/1215 ,  H03B5/1243 ,  H03B5/1256 ,  H03B2200/0028 ,  H03B2200/0088 ,  H03B2200/0098 ,  H03B2202/08 ,  H01L2924/00

    摘要： A balanced frequency responsive circuit (9) comprising circuit components formed in a semiconductor chip having first and second on-chip contact terminals (12, 13) which connect to first and second off-chip contact terminals (14, 15), respectively, and a balanced parallel resonator circuit (20) coupled to the contact terminals (12-15). The resonator circuit (20) comprises a capacitance portion (C1', C2', C3') and an inductance portion (L1', L2'). Part (C1') of the capacitance portion is on-chip connected between the first and second on-chip contact terminals (12, 13). Another part of the capacitance portion (C2', C3') and the inductance portion (L1', L2') are off-chip series connected between the first and second off-chip contact terminals (12, 13), such that the contact terminals (12-15) are comprised in a single resonant loop, essentially producing no spurious resonance signals.

    摘要翻译： 一种平衡频率响应电路（9），包括形成在具有分别连接到第一和第二芯片外接触端子（14,15）的第一和第二片上接触端子（12,13）的半导体芯片中的电路部件，以及 耦合到接触端子（12-15）的平衡并联谐振器电路（20）。 谐振器电路（20）包括电容部（C1'，C2'，C3'）和电感部（L1'，L2'）。 电容部分的部分（C1'）片上连接在第一和第二片上接触端子（12,13）之间。 电容部分（C2'，C3'）和电感部分（L1'，L2'）的另一部分是片外串联连接在第一和第二片外接触端子（12,13）之间，使得接触 端子（12-15）包括在单个谐振回路中，基本上不产生寄生谐振信号。

    An arrangement for compensating errors in a quadrature modulator
    7.
    发明公开
    An arrangement for compensating errors in a quadrature modulator 失效
    Vorrichtung zur Fehlerkompensierung in einem Quadraturmodulator。

    公开(公告)号：EP0318444A1

    公开(公告)日：1989-05-31

    申请号：EP88850351.3

    申请日：1988-10-19

    申请人： TELEFONAKTIEBOLAGET L M ERICSSON

    发明人： Hedberg, Bo Gösta

    IPC分类号： H03C3/00

    CPC分类号： H03C3/40 ,  H03B2202/08 ,  H03C1/00 ,  H03C1/50 ,  H03C2200/0058 ,  H03D7/161

    摘要： An arrangement for compensating errors occurent in a quadrature modulator. The modulator includes means (1) for generating quadrature signals (cos a(t), sin a(t)) in the baseband, each of which signals is delivered to a respective branch in the modulator; means (2) for generating two high frequency signals (cos wt, sin wt) with a mutual phase difference of 90 degrees; mixers (3, 4) for mixing the quadrature signals (cos a(t), sin a(t)) with the high frequency signals (cos wt, sin wt) and an adder (5) for producing the sum of the output signals of the mixers (3, 4). Amplitude errors and phase errors are compensated with the aid of a separate compensating network (11, 12, 14, 16, 17, 19, 21) which is incorporated in the low frequency part of the modulator and which includes adjustable signal generating means (14, 16, 19). Local oscillator leakage is compensated with the aid of a second compensating network (13, 15, 18, 20) which is also incorporated in the low frequency part of the modulator and which also includes adjustable signal generating means (15, 18). The signals (k4, k5) from the latter means (15, 18) are subtracted from the signals occuring in the two branches of the modulator.

    摘要翻译： 在正交调制器中发生用于补偿误差的装置。 调制器包括用于产生基带中的正交信号（cos a（t），sin a（t））的装置（1），每个信号被传送到调制器中的相应分支; 用于产生相互相差为90度的两个高频信号（cos wt，sin wt）的装置（2）; 用于将正交信号（cos a（t），sin a（t））与高频信号（cosww，sinθw）和加法器（5）混合的混频器（3,4），用于产生输出信号 的混合器（3,4）。 借助于并入调制器的低频部分中的单独的补偿网络（11,12,14,16,17,19,21）来补偿幅度误差和相位误差，该补偿网络包括可调信号发生装置（14 ，16,19）。 借助于也被并入调制器的低频部分并且还包括可调信号发生装置（15,18）的第二补偿网络（13,15,18,20）来补偿本地振荡器泄漏。 从调制器的两个分支中发生的信号中减去来自后一装置（15,18）的信号（k4，k5）。

    An oscillating circuit with a ring shaped resonator of superconducting material coupled thereto
    10.
    发明公开
    An oscillating circuit with a ring shaped resonator of superconducting material coupled thereto 失效
    Oszillatorschaltung mit einem dazu gekoppelten ringformigen aus supraleitendem材料bestehenden Resonator。

    公开(公告)号：EP0523564A1

    公开(公告)日：1993-01-20

    申请号：EP92111792.5

    申请日：1992-07-10

    申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.

    发明人： Shiga, Nobuo, c/o Yokohama Works of Sumitomo

    IPC分类号： H03B5/18

    CPC分类号： H03B15/003 ,  H03B5/1852 ,  H03B15/00 ,  H03B2200/0016 ,  H03B2202/08

    摘要： An improved oscillating circuit for use in microwave frequency bands has reduced power loss and is made smaller in vertical size. The local oscillating circuit includes an MMIC oscillator which comprises a FET (9), and a resonator (10) connected thereto so as to stabilize the oscillating frequency of the oscillator. The resonator is ring-shaped and arranged as close as several µm to several tens of µm to a predetermined position of a micro strip line forming a feedback loop connected to the FET forming the oscillator. Moreover, the resonator is a thin film formed by depositing a high-temperature superconducting material. As exemplary embodiments, YBCO, niobium and the like, can be used as high-temperature superconducting materials. Furthermore, a portion of the micro strip line, closest to the resonator, is concentrically disposed therewith to form a circular arc portion whose central angle is set at 90 degrees.

    摘要翻译： 用于微波频带的改进的振荡电路降低了功率损耗，并使其垂直尺寸变小。 本地振荡电路包括一个MMIC振荡器，它包括FET（9）和与其连接的谐振器（10），以稳定振荡器的振荡频率。 谐振器是环形的，并且被布置成几微米到几十微米的微带线的预定位置，形成连接到形成振荡器的FET的反馈环路。 此外，谐振器是通过沉积高温超导材料形成的薄膜。 作为示例性实施例，可以使用YBCO，铌等作为高温超导材料。 此外，最靠近谐振器的微带线的一部分与其同心地设置，以形成其中心角设置为90度的圆弧部分。