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31 条记录 (耗时 0.016 秒)

    Linear ramp voltage generator circuit
    11.
    发明授权
    Linear ramp voltage generator circuit 失效
    线性斜坡电压发生器电路

    公开(公告)号：US4516036A

    公开(公告)日：1985-05-07

    申请号：US443927

    申请日：1982-11-23

    申请人： Richard D. Miller

    发明人： Richard D. Miller

    IPC分类号： H03K4/50 ,  H03K4/58 ,  H03K4/08 ,  H03K4/86

    CPC分类号： H03K4/58 ,  H03K4/50

    摘要： A generating circuit for producing a linear ramp output voltage comprises an electronic switch and a ramp circuit connected to the electronic switch. The ramp circuit includes a single active component having first and second input terminals and an output terminal. The ramp circuit has positive and negative feedback to the input terminals of the active component.

    摘要翻译： 用于产生线性斜坡输出电压的发生电路包括电子开关和连接到电子开关的斜坡电路。 斜坡电路包括具有第一和第二输入端子和输出端子的单个有源元件。 斜坡电路对有源部件的输入端子具有正反馈。

    Simplified vertical deflection circuit
    12.
    发明授权
    Simplified vertical deflection circuit 失效
    简化垂直偏转电路

    公开(公告)号：US4277729A

    公开(公告)日：1981-07-07

    申请号：US94287

    申请日：1979-11-19

    申请人： Robert L. Rodgers, III

    发明人： Robert L. Rodgers, III

    IPC分类号： H03K4/58 ,  H03K4/72 ,  H04N3/223 ,  H01J29/54

    CPC分类号： H03K4/725 ,  H03K4/58 ,  H04N3/223

    摘要： A simplified bootstrap deflection circuit includes a sawtooth capacitor with one end grounded. First and second serially connected resistors provide charging current to form a ramp voltage across the capacitor. The noninverting input of an amplifier is coupled to receive the ramp. The amplifier output is coupled to a deflection winding and current sensing resistor. A feedback path couples the current sensing resistor to the inverting input terminal. A resistor is coupled to the inverting input terminal and to a reference potential. A bootstrap capacitor couples sawtooth feedback voltage at the inverting input terminal to the junction of the first and second capacitors for producing a constant voltage across the second resistor for linearizing the ramp. The feedback path includes a series variable resistor which acts as a centering control.

    摘要翻译： 简化的自举偏转电路包括一端接地的锯齿电容器。 第一和第二串联电阻器提供充电电流以在电容器两端形成斜坡电压。 放大器的同相输入被耦合以接收斜坡。 放大器输出耦合到偏转绕组和电流检测电阻。 反馈路径将电流检测电阻耦合到反相输入端。 电阻器耦合到反相输入端子和参考电位。 自举电容器将反相输入端子处的锯齿波反馈电压耦合到第一和第二电容器的结，用于在第二电阻器两端产生恒定的电压，以使斜坡线性化。 反馈路径包括用作定心控制的串联可变电阻器。

    Bootstrap circuit
    13.
    发明授权
    Bootstrap circuit 失效
    自举电路

    公开(公告)号：US3975647A

    公开(公告)日：1976-08-17

    申请号：US547938

    申请日：1975-02-07

    申请人： Akira Takei

    发明人： Akira Takei

    IPC分类号： H03K4/58 ,  H03K17/00

    CPC分类号： H03K4/58

    摘要： A bootstrap circuit is disclosed which has capacitors, each connected between the base of a collector grounded transistor and the ground and between the emitter and the base of the same transistor and converts a rectangular input signal train into a sawtooth wave signal train. The bootstrap circuit is further provided with a switching circuit connected in series with the capacitor connected between the emitter and the base of the transistor and the switching circuit is opened when the supply of the rectangular input signal is stopped.

    摘要翻译： 公开了一种自举电路，其具有电容器，每个电容器连接在集电极接地晶体管的基极与地之间，并且在相同晶体管的发射极和基极之间连接，并将矩形输入信号串转换为锯齿波信号串。 自举电路还设置有与连接在晶体管的发射极和基极之间的电容器串联连接的开关电路，并且当矩形输入信号的供给停止时，开关电路断开。

    Slow-speed bootstrap sweep circuit
    14.
    发明授权
    Slow-speed bootstrap sweep circuit 失效
    慢速启动扫描电路

    公开(公告)号：US3619649A

    公开(公告)日：1971-11-09

    申请号：US3619649D

    申请日：1969-05-26

    申请人： WESTERN UNION TELEGRAPH CO

    发明人： HOFFMAN MELVIN R

    IPC分类号： H03K4/58 ,  H03K4/24

    CPC分类号： H03K4/58

    摘要： A bootstrap sweep circuit generates slow-speed sweeps of approximately 150 milliseconds or longer, with ramps having good linearity and short recovery time. A transistor and two zener diodes are employed to generate a stable sweep voltage during the sweep cycle regardless of temperature variations. A square top gating pulse spaces the successive linear ramps which are sharply saw-toothed.