Wave transmission lines and networks – Wave-shaping
Reexamination Certificate
2007-03-20
2007-03-20
Takaoka, Dean (Department: 2817)
Wave transmission lines and networks
Wave-shaping
C307S106000, C327S181000
Reexamination Certificate
active
11038354
ABSTRACT:
A comb frequency generator that is tunable to vary the width of the pulses in the output signal and achieve a maximum power output at different harmonic frequencies. A wavefront compression device receives a sinusoidal input signal and provides wavefront compression to create a compressed signal having a series of periodic fast edges. A delay device receives the fast-edge compressed signal and delays the fast-edge signal to create a delayed fast-edge signal. A combining device receives the original fast-edge compressed signal and the delayed fast-edge compressed signal to generate an output signal including a series of pulses having a width determined by the delay of the delayed signal. In one embodiment, the delay device is a shorted transmission line stub having a length selectively set by a series of MEM devices. In another embodiment, the delay device is an NLTL variable time delay device that delays the fast-edge signal.
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Fong Flavia S.
Kintis Mark
Mrozek Eric M.
Miller John A.
Northrop Grumman Corporation
Takaoka Dean
Warn, Hoffmann, Miller & Ozga, P.C.
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