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Questions related from Andrey Porokhnyuk
I have a question about estimating the antenna efficiency measurement error when using an improvised Wheeler cap with bad surface resistance?
02 May 2024 8,730 1 View
With 7630 Schottky there are some basic SPICE parameters supplied and s2p for performance demonstrations. I have seen many complains that the provided data is at least inconsistent, and suitable...
22 August 2023 258 0 View
There is a complicated badly documented object structure in ANSYS EDT (HFSS, Maxwell). It allows many things with scripting, when you know how to access them. But it is a problem, since you...
21 December 2021 9,737 3 View
There are multiple variants of Hybrid and Wilkinson power dividers known, based on wound transformers at HF/VHF. However I never seen a good example of wound transformer based Gysel power...
11 October 2021 8,196 0 View
Does anyone hold an original Bosma paper from 1962, "On the principle of stripline circulation”? I am kind of curious how everyone refer to it blindly without explaining formulas and values, when...
27 January 2021 8,485 3 View
Are there linearly polarized LEDs already available on the market? If you wonder, normal led emits non-polarized light, or has different elliptic polarization depending on the direction. But...
06 December 2018 5,764 6 View
We use detectors with attached fiber sheet Gd2O2S:Tb scintillators for X-ray imaging. Unfortunately, its performance is very bad below 20 keV, and at 5keV it is almost insensitive to...
30 October 2018 4,621 15 View
What is the general difference between pyPENELOPE, and PENELOPE from NEA? pyPenelope distribution has a beautiful GUI, and a project wizard. Does PENELOPE from NEA has the same? Then ,I did not...
21 August 2018 8,467 6 View
HFSS and Maxwell were made by Ansoft in the last century, and there actually were little problems with them. You could always trust the simulation provided by those systems. However after Ansoft...
01 January 1970 2,406 12 View
Have anyone used or seen any tech with microstrip or signal line submerged in the ceramic substrate, resulting in a smooth surface above? I am trying to find an approach to thermal solution...
01 January 1970 763 0 View
In the last few weeks there is a big hype about a new BV100 beta-voltage cell spread in the Internet, designed buy the conveniently named Chinese Betavolt company. Well, China puts a lot of effort...
01 January 1970 9,143 4 View
