NASA NTRS · 19890028457
GaAs circuits for monolithic optical controller
Abstract
GaAs circuits for use in a fully monolithic 1 Gb/s optical controller have been developed and tested. The circuits include photodetectors, transimpedance amplifiers and 1:16 demultiplexers that can directly control the phase of MMIC phase shifters. The entire chip contains approximately 300 self-aligned gate E/D-mode MESFETs. The MESFETs have one micron-wide gate and the E-mode FETs typically have transconductance of 200 ms/mm. Results of simulations and tests are reported. Also, the design and layout of the fully monolithic chip is discussed.
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Gustafson, G., Bendett, M., Carney, J., Mactaggart, R., Palmquist, S.. 1988-01-01. GaAs circuits for monolithic optical controller. https://ntrs.nasa.gov/citations/19890028457
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