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Showing 1 to 8 of 8 for “"38 GHz"”.
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Wideband Terrestrial Path Loss Measurement Results For Characterization of Pico-cell Radio Links at 38 GHz and 60 GHz Bands of Frequencies
… be able to predict the behavior of mm-waves (28, 38 and 60GHz) during different weather conditions, especially rain. This research attempts to characterize the performance of pico-cell scenario broadband wireless channels by measuring path loss statistics during different weather conditions. …
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Millimeter-wave low-noise amplifiers using cost-effective ion-implanted MESFETs and coplanar transmission lines
… the design and implementation of a monolithic 38 GHz low-noise amplifier using 0.25 $\mu$m ion-implanted GaAs MESFETs and coplanar waveguide transmission lines. It describes the development of low-noise GaAs FETs, measurement and modeling of active and passive components, circuit design, …
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Enhancing rainfall measurement using microwave links at three scales
… average in predicting rainfall, especially in 38 GHz links (H and V) indicated by NSE and KGE. Overall, the moving average also resulted in 2%, 16%, and 14% lower RMSE than the conventional method in microwave links 26H, 38H, and 38V, respectively. Butterworth and Chebyshev filters exhibited …
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Monolithic Integration of Long Wavelength Photodetectors and High Electron Mobility Transistors on Metamorphic Gallium Arsenide Substrates
… of 0.6 A/W, and a -3 dB bandwidth of 38 GHz at -5 V reverse bias for 1.55 mum light. The photodiode heterostructure optimized for higher bandwidth by scaling the thickness of undoped In0.53Ga0.47 As and In0.52Al0.48As layers has demonstrated over 60 GHz bandwidth at 1.55 mum …
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The numerical and experimental investigation of gyro-multiplier configurations
… TE4,3, resonances, at frequencies of 37.5 GHz and 75 GHz, respectively. The interaction region is of mean radius, 8 mm, with a corrugation depth, 0.7 mm, and is 39 mm in length. The idealised electron beam utilised is of voltage, 60 kV, with current between 5 A and 10 A, confined in a …
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The numerical and experimental investigation of gyro-multiplier configurations
… TE4,3, resonances, at frequencies of 37.5 GHz and 75 GHz, respectively. The interaction region is of mean radius, 8 mm, with a corrugation depth, 0.7 mm, and is 39 mm in length. The idealised electron beam utilised is of voltage, 60 kV, with current between 5 A and 10 A, confined in a …
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Terrestrial radio wave propagation at millimeter-wave frequencies
… sliding correlator systems at 5.8+AH4AXA-mbox{GHz}, 38+AH4AXA-mbox{GHz} and 60+AH4AXA-mbox{GHz}. The performances of these measurement systems are carefully compared both analytically and experimentally. Next, radio wave propagation research is performed at 38+AH4AXA-mbox{GHz} for Local …
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Millimeter-Wave Harmonically-Tuned Silicon Power Amplifiers for High Efficiency
… performances reported so far: PAE= 50% @ 24 GHz, PAE = 43% @ 41 GHz, and PAE = 23% @ 94 GHz. The design methodology and detailed analysis of the proposed load networks presented and verified with implementation and measured results.