Picosecond electrical spectroscopy using monolithic GaAs circuits

This article describes an experimental apparatus for free-space mm-wave transmission measurements (spectroscopy). GaAs nonlinear transmission lines and sampling circuits are used as picosecond pulse generators and detectors, with planar monolithic bowtie antennas with associated substrate lenses use...

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Bibliographic Details
Published in:Applied physics letters 1992-12, Vol.61 (23), p.2829-2831
Main Authors: KONISHI, Y, KAMEGAWA, M, CASE, M, YU, R, RODWELL, J. W, YORK, R. A, RUTLEDGE, D. B
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
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Summary:This article describes an experimental apparatus for free-space mm-wave transmission measurements (spectroscopy). GaAs nonlinear transmission lines and sampling circuits are used as picosecond pulse generators and detectors, with planar monolithic bowtie antennas with associated substrate lenses used as the radiating and receiving elements. The received pulse is 270 mV amplitude and 2.4 ps rise time. Through Fourier transformation of the received pulse, 30–250 GHz measurements are demonstrated with ≤0.3 dB (rms) accuracy.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.108051