dualcoax(1)
β¨ dualcoax(1) β¨
okay bestie, sit down, we're doing transmission line math today and honestly? it's giving iconic. this is a page from the General Commands Manual, and it's about a lil tool called dualcoax π
πΈ NAME πΈ
dualcoax β figure out the impedance of a coaxial structure that's got two concentric dielectrics stacked up in there. two!! layers!! π
π¦ SYNOPSIS π¦
dualcoax D1 D2 D3 Er1 Er2
π DESCRIPTION π
so like, dualcoax computes the impedance of a dualcoaxial cable β that's a coax with two concentric dielectrics (iykyk) β and you feed it the geometry plus the material properties. here's the whole vibe check on the args:
D1β the outside diameter of the inner conductor. the tiny lil core guy. πD2β the outside diameter of the inner dielectric. that's the first layer wrapped around him.D3β the outside diameter of the outer dielectric, which is also the inside diameter of the outer conductor. yes bestie, one number doing double duty, we love efficiency. π«ΆEr1β the relative permittivity of the inner dielectric.Er2β the relative permittivity of the outer dielectric.
that's it. that's the whole assignment. five numbers in, impedance out. periodt. β¨
π FILES π
lowkey the easiest section ever: dualcoax does not read or write any files. no file drama, no temp files, no nothing. it's a clean girl. πβ¨
π SEE ALSO π
the whole friend group, in alphabetical-ish order, all invited to the group chat:
atlc(1)coax(1)create_bmp_for_circ_in_circ(1)create_bmp_for_circ_in_rect(1)create_bmp_for_microstrip_coupler(1)create_bmp_for_rect_cen_in_rect(1)create_bmp_for_rect_cen_in_rect_coupler(1)create_bmp_for_rect_in_circ(1)create_bmp_for_rect_in_rect(1)create_bmp_for_stripline_coupler(1)create_bmp_for_symmetrical_stripline(1)design_coupler(1)find_optimal_dimensions_for_microstrip_coupler(1)readbin(1)
and the links, because we always cite our sources π:
http://atlc.sourceforge.netβ Home pagehttp://sourceforge.net/projects/atlcβ Download area/usr/local/share/atlc/docs/html-docs/index.htmlβ HTML docs/usr/local/share/atlc/docs/qex-december-1996/atlc.pdfβ theory paper/usr/local/share/atlc/examplesβ examples
fr fr, go read the theory paper if you wanna know why the math works. the man page tells you what to type, not the whole lore. π
okay that's the whole page bestie, you're officially a dualcoax girlie now π
β¨ authored by Dr. David Kirkby, shipped as part of atlc-4.6.0, dated 28th Oct 2003 β no cap, that's the sign-off, mwah πππ¦
π¦ where this page comes from
- debian bookworm: atlc 4.6.1-5
- debian trixie: atlc 4.6.1-6
- ubuntu jammy: atlc 4.6.1-5
- ubuntu noble: atlc 4.6.1-6build1
- ubuntu resolute: atlc 4.6.1-6build2
- ubuntu stonking: atlc 4.6.1-6build2
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash on : a language model's rewrite of the original, under its terms