Charge-coupled device
    1.
    发明授权
    Charge-coupled device 失效
    电荷耦合器件

    公开(公告)号:US4733407A

    公开(公告)日:1988-03-22

    申请号:US931374

    申请日:1986-11-14

    CPC classification number: H03H15/02 G11C27/04 H01L29/1062

    Abstract: The invention relates to a charge-coupled device, in which the channel is provided with two or more separation regions for obtaining a desired charge subdivision, for example, for a transversal filter. Due to asymmetry in the potential distribution between the outer subchannels and the central subchannels, an inaccuracy occurs in the charge distribution, which according to the invention is eliminated for the major part by locally providing the separation channels bounding the outer subchannels with an interruption.

    Abstract translation: 本发明涉及一种电荷耦合器件,其中通道具有两个或更多个分离区域,用于获得例如用于横向滤波器的所需电荷细分。 由于外部子信道和中央子信道之间的电位分布不对称,在电荷分布中发生不准确性,电荷分布根据本发明通过局部地提供限制外部子信道的中断的分离通道而主要部分消除。

    Charge-coupled transversal filter
    2.
    发明授权
    Charge-coupled transversal filter 失效
    电荷耦合横向滤波器

    公开(公告)号:US4612521A

    公开(公告)日:1986-09-16

    申请号:US710826

    申请日:1985-03-12

    CPC classification number: G05F3/225 H01L29/765 H03H15/023

    Abstract: The invention relates to a charged-coupled transversal filter of the parallel-in series-out (PISO) type having a buried channel of one conductivity type and zones diffused into the channel of the other conductivity type, which zones constitute the clock electrodes. The inputs also comprise a zone of the one conductivity type which is provided in the associated zone of the second conductivity type. The weighting factors are formed by selecting the sizes of these zones, which constitute the emitters of bipolar transistors, whose bases are constituted by the clock electrodes and whose collectors are constituted by the channel. The signal to be filtered is introduced by first converting the signal into a current and by then distributing the latter over the various emitters. Stages having positive and negative weighting factors can be readily combined to form a CCD.

    Abstract translation: 本发明涉及一种并联串联(PISO)型的带电耦合横向滤波器,其具有一个导电类型的掩埋沟道和扩散到另一导电类型的沟道中的区域,这些区域构成时钟电极。 输入还包括设置在第二导电类型的相关区域中的一种导电类型的区域。 通过选择构成双极晶体管的发射极的这些区域的尺寸形成加权系数,双极晶体管的基极由时钟电极构成,其集电极由沟道构成。 通过首先将信号转换为电流并随后将其分配在各种发射器上来引入要滤波的信号。 具有正和负加权因子的阶段可以容易地组合以形成CCD。

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