Georgy.Moshkin
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11th July 2019, 08:13Georgy.Moshkin replied to a thread How to Short Circuit a SIW slot antenna in RF, Microwave, Antennas and Opticsyes, you may check image 2 (a) in this document: http://jpier.org/PIERC/pierc40/07.13040905.pdf4 replies | 298 view(s) -
10th July 2019, 10:35Georgy.Moshkin replied to a thread How to Short Circuit a SIW slot antenna in RF, Microwave, Antennas and OpticsYou just need to put vias as shown on your second image. It is the same as for air filled waveguides:...4 replies | 298 view(s)
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10th July 2019, 03:58Georgy.Moshkin replied to a thread Microstrip antenna design on substrate of 10 mil (0.258mm) and 5 mil (0.168mm) in RF, Microwave, Antennas and OpticsVery thin microwave substrates often glued to main FR4 board which solves problem. Thick substrate may be perforated at Vivaldi end with multiple...1 replies | 170 view(s)
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10th July 2019, 03:47Georgy.Moshkin replied to a thread SMD component fixture for antenna matching prototyping in RF, Microwave, Antennas and OpticsYou may try wooden toothpicks with some glue. Component is glued to the toothpick and then placed to required points on PCB with slight pressure....7 replies | 405 view(s)
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10th July 2019, 03:36Georgy.Moshkin replied to a thread Real time plotting of radiation pattern using matlab in RF, Microwave, Antennas and OpticsYou may use "drawnow" matlab command, here is good example https://stackoverflow.com/questions/17217774/making-a-gif-from-images3 replies | 233 view(s)
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3rd July 2019, 04:35I have doubts about 0.1deg accuracy. I have used commercial rotating table few times, it had stepper motor and a belt. Most important part was the...1 replies | 189 view(s)
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3rd July 2019, 04:18Georgy.Moshkin replied to a thread [SOLVED] Waveguide Termination in RF, Microwave, Antennas and OpticsNeed more information. What is termination type, what software? When using two identical ports if waveguide length is multiple of 180deg, then...3 replies | 207 view(s)
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3rd July 2019, 03:13Georgy.Moshkin replied to a thread Bi-directional amplifier for Wi-Fi in RF, Microwave, Antennas and OpticsInteresting design I came across recently: "Reconfigurable Dual Band Bidirectional Reflection Amplifier with Applications in Van Atta Array"...6 replies | 313 view(s)
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28th June 2019, 14:15Georgy.Moshkin replied to a thread Different robotic joint designs (fast/high torque/simple to manufacture) in Robotics and Automation ForumAny information on how SpotMini joints? According to this (https://iit-dlslab.github.io/papers/khan15sicfp.pdf) similar robot uses...4 replies | 1199 view(s)
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28th June 2019, 09:49Georgy.Moshkin started a thread Different robotic joint designs (fast/high torque/simple to manufacture) in Robotics and Automation ForumWhat are best designs worth trying? Some starting point. Maybe few insights from someone who tried to build such joint and any interesting materials...4 replies | 1199 view(s)
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28th June 2019, 08:20I think it will be harder to design 1GHz x10 multiplier with good performance, x5 x2 feels much easier. I would recommend to use 5ghz push-push...3 replies | 234 view(s)
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26th June 2019, 12:32Georgy.Moshkin replied to a thread Microstrip filter design: question about a part of a book in RF, Microwave, Antennas and OpticsHere are my thoughts: 0.2mm wide high impedance section may be manufactured anywhere. When high impedance line is needed I usually use 0.2mm line, or...4 replies | 286 view(s)
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26th June 2019, 11:45Georgy.Moshkin replied to a thread Design circular antenna array in RF, Microwave, Antennas and OpticsI think direction of arrival may be analyzed without HFSS, some formulas similar to monopulse angle estimation, to see if it is feasible (spacing,...6 replies | 421 view(s)
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