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US 8,895,913 B2Granted
Traveling wave based THz signal generation system and method thereof
AssigneeWave Works, Inc.
InventorsAhmet Tekin, Ahmed Emira, Suat Utku Ay
Life of this patent
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Abstract
TeraHertz signal generation system based on traveling-wave oscillators providing extraction of orders of magnitude higher oscillation frequencies resulting in frequency multipliers and THz transceivers that can generate, transmit and sense THz frequency signals for sensing/imaging.
Claims6
A Traveling-Wave Frequency Multiplier [TWFM] comprising
- a distributed wave oscillator providing accurate multiple phases of an oscillation;
- said oscillator further comprising two or more independent electrical conductors forming transmission line loops of a differential medium for traveling wave oscillations;
- a plurality of cross-coupled inverting amplifiers distributed along said transmission line loops;
- a plurality of shorted transmission line stubs to provide biasing said cross-coupled amplifiers;
- a plurality of resistors in series with said transmission line stubs to eliminate low-frequency mode of oscillation;
- a plurality of varactors to provide tuning for high frequency, high-bandwidth oscillations in the range of at least from about sub-GHz to about THz;
- a plurality of symmetric tapping points to tap a plurality of corresponding symmetric phases to affect higher order harmonic frequency extraction;
- a plurality of summing points of said symmetric phases;
- and
- a plurality of matching networks for combining said symmetric phases to affect further frequency multiplication.
7 more elements
Dependencies are inferred from the claim text.