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NLTL-Based System for mm-Wave and Sub-mm-Wave Free-Space Electromagnetic Measurements

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Abstract

We report broadband monolithic transmitters and receivers ICs for mm-wave electromagnetic network measurements. The ICs use non-linear transmission lines (NLTLs) and sampling circuits as picosecond pulse generators and detectors. Combining NLTLs and sampling circuits with monolithic broadband antennas, the pulse can be radiated and received for free-space measurements. We have demonstrated the system with 250 GHz bandwidth using simple and convenient signal processing electronics. The system also has sufficient signal to noise ratio for measurements to ≈ 600 GHz, given suppression of the effects of source phase noise. We demonstrate a variety of mm-wave measurements.

© 1993 Optical Society of America

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