21 results in 0.0277 seconds.
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choosing between materials
hello every one . I have a rf pcb and it's frequence is 10 Ghz . most of the people sugest that use rojers material (e.g. ro4003c) . the dielectric constant...Last edited by [email protected]; 12-12-2022, 04:34 AM. -
yes .because we have many powers... -
stackup
hello every one . i have 8 layer stack up(top & gnd1 & sig1 & pwr1 &pwr2 &sig2 &gnd2 & bottom) . in this stackup the pwr1...
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@qdrives igot it . thank you very muchLeave a comment:
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via copper thickness
hello every body . when the thickness of our board is 1 oz the thickness of copper in the via barrel is 1 oz too or it is less? why? -
Fly by topology
Hello everyone . I am routing ddrs with fly by topology . In the case I think we have rule that the length of clock ck_p & ck_N should be more than... -
3h rule
hello every one . in my stackup the h1(distance between signal layer and upper ground) is 3.2 mil and h2(distance between signal layer and downer ground)... -
antenna pcb
hello every one . i watched robert's video with phill's lab about antennas (https://www.youtube.com/watch?v=cOtv0ddR3aI) and he poured the bottom of...
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i found the answer .there was a problem in defining the device "r306":
(? REF=R306.2 Name="RC0402FR-0747K5L VAL==Resistance"...Leave a comment:
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error in hyperlynx
hi every one . i imported a pcb in hyperlynx and i got an error while opening:
pin's device r306 not listed in device... -
@qdrives thank you that was useful simulation. im not sure that the placement of ferrite bead should be near the the chip or not and because of that i...Leave a comment:
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thank you very much -
i uploaded the pcb in the zip file and marked the place with red rectangle in the picture...
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in this picture the trace width changes......
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