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    • 2. 发明申请
    • EMBEDDED DUO-PLANAR PRINTED INDUCTOR
    • 嵌入式平面印刷电感器
    • US20060176135A1
    • 2006-08-10
    • US11053520
    • 2005-02-07
    • Frank WinterHarry HarbertsJulius Tolan
    • Frank WinterHarry HarbertsJulius Tolan
    • H01F5/00
    • H01F17/0033H01F41/041H01F2017/002H05K1/165H05K2201/097Y10T29/4902
    • A highly compact inductor formed on opposite faces of a dielectric substrate. Sets of parallel spaced conductive traces formed on the opposite faces of the substrate are interconnected by metallized vias through the substrate, in such a way as to form a continuous spiral conductive path. The inductor is preferably formed as two closely adjacent segments, each with conductive traces on each face of the substrate and each having metallized vias interconnecting the conductive traces. The segments are electrically connected in series and produce a magnetic field that extends through each segment in opposite directions and is closely coupled from one segment to the other. The inductor is, therefore, electromagnetically similar to a wire-wound toroidal inductor, providing high inductance and contourable Q values, but is highly compact, especially in the z-axis direction normal to the substrate.
    • 形成在电介质基板的相对面上的高度紧凑的电感器。 在衬底的相对表面上形成的平行间隔的导电迹线的集合通过穿过衬底的金属化通孔互连,以形成连续的螺旋形导电路径。 电感器优选地形成为两个紧密相邻的段,每个具有在衬底的每个面上的导电迹线,并且每个具有互连导电迹线的金属化通孔。 这些段串联电连接并且产生一个磁场,该磁场沿相反方向延伸穿过每个段,并且从一个段紧密耦合到另一个段。 因此,电感器电磁地类似于绕线环形电感器,提供高电感和可轮廓的Q值,但是非常紧凑,特别是在垂直于衬底的z轴方向上。
    • 3. 发明申请
    • Low frequency doubler
    • 低倍频
    • US20060261865A1
    • 2006-11-23
    • US11133024
    • 2005-05-19
    • Matthew WetzelHarry HarbertsPaul Rodgers
    • Matthew WetzelHarry HarbertsPaul Rodgers
    • H03B19/00
    • H03B19/14
    • A circuit and corresponding method for doubling the frequency of an input signal, even when the input signal is of low frequency or a square wave. The input signal is applied to a phase-shifting circuit that produces a pair of output signals that are theoretically 90° apart in phase, but may lack the desired form if the original input signal is of low frequency. The waveforms of the two output signals are enhanced in latching hysteresis buffers that produce more uniformly squared waves, with zero crossings corrected to be more exactly 90° apart and with desirably steep state transitions. The enhanced-waveform output signals are coupled to an exclusive OR (XOR) gate to produce a double-frequency output.
    • 即使输入信号为低频或方波也能使输入信号的频率倍增的电路和相应的方法。 输入信号被施加到相移电路,该相移电路产生理论上相差90°的输出信号,但是如果原始输入信号是低频,则可能缺少期望的形式。 在产生更均匀平方波的锁存滞后缓冲器中增强了两个输出信号的波形,其中零交叉校正为更精确地相差90°并且具有期望的陡峭状态转换。 增强波形输出信号被耦合到异或(XOR)门以产生双频输出。