Wave transmission lines and networks – Wave-shaping
Reexamination Certificate
2008-05-20
2008-05-20
Summons, Barbara (Department: 2817)
Wave transmission lines and networks
Wave-shaping
C324S533000, C324S642000, C324S451000, C324S160000, C374S102000, C375S242000, C327S346000
Reexamination Certificate
active
11010198
ABSTRACT:
Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the exponential waveform (a) being characterized by the equation Vin=De−ASD[x−vSDt], where D is a magnitude, Vinis a voltage, t is time, ASDis an attenuation coefficient, and vSDis a propagation velocity; and (b) being truncated at a maximum value. An exemplary apparatus comprises: an exponential waveform generator; an input recorder coupled to an output of the exponential waveform generator; a transmission line under test coupled to the output of the exponential waveform generator; an output recorder coupled to the transmission line under test; an additional transmission line coupled to the transmission line under test; and a termination impedance coupled to the additional transmission line and to a ground.
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Biskup John F.
Flake Robert H.
Liao Su-liang
Board of Regents , The University of Texas System
Fulbright & Jaworski LLP
Summons Barbara
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