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8 <B>create_bmp_for_symmetrical_stripline</B> - bitmap generator for
9 thin conductor between two infinite groundplanes (part of
14 <H2>SYNOPSIS</H2><PRE>
15 <B>create_bmp_for_symmetrical_stripline</B> <B>[-v]</B> <B>W</B> <B>H</B> <B>w</B> <B>bitmapfile</B>
20 This man page is not a complete set of documentation - the
21 complexity of the atlc project makes man pages not an ideal
22 way to document it, although out of completeness, man pages
23 are produced. The best documentation that was current at the
24 time the version was produced should be found on your hard
26 /usr/local/share/atlc/docs/html-docs/index.html
27 although it might be elsewhere if your system administrator
28 chose to install the package elsewhere. Sometimes, errors
29 are corrected in the documentation and placed at
30 http://atlc.sourceforge.net/ before a new release of atlc is
31 released. Please, if you notice a problem with the documen-
32 tation - even spelling errors and typos, please let me know.
37 <H2>DESCRIPTION</H2><PRE>
38 <B>create_bmp_for_symmetrical_stripline</B> is a pre-processor for
39 <B>atlc</B>, the finite difference program that is used to calcu-
40 late the properties of a two-conductor electrical transmis-
41 sion line of arbitrary cross section. The program
42 <B>create_bmp_for_symmetrical_stripline</B> is used as a fast way
43 of generating bitmaps (there is no need to use a graphics
44 program), for a 1 pixel thick conductor of width w, cen-
45 trally located inside a pair of groundplanes of width W and
46 separation H. This has an exact analytical answer, when the
47 inner is infinitely thin and the width W is infinitely wide.
48 This theoretical impedance is also calculated by the
49 create_bmp_for_symmetrical_stripline. It is therefore used
52 ----------------------------------------------------- ^
55 | <----------w-----------> | |
59 ----------------------------------------------------- v
60 <-------------------------W------------------------->
62 The parameters 'W' and 'H' and the inner dimensions of the
63 outer conductor. The outer dimensions of the inner conduc-
64 tor are 'w' and 'c'. The inner conductor is assumed to rest
65 on a dielectric (Er2) which is 'd' wide and outer conductor
66 an the inner conductor is offset 'b' from the left hand
67 sidewall of the outer conductor. The whole region is sur-
68 rounded by a dielectric of relative permittivity 'Er1'. The
69 dielectrics 'Er1' and then 'Er1' and 'Er2' will both be 1.0
71 The bitmaps produced by <B>create_bmp_for_symmetrical_stripline</B>
72 are 24-bit bit colour bitmaps, as are required by <B>atlc</B>.
73 Currently create_bmp_for_symmetrical_stripline only produces
74 bitmaps with white (vacuum) dielectrics.
81 Print the theoeretical impedance Zo. This only works if the
82 width W is sufficiently wide, otherwise atlc and the value
83 printed here would disagree wildly.
88 <H2>SEE ALSO</H2><PRE>
89 <B>atlc(1)</B> <B>create_bmp_for_circ_in_circ(1)</B>
90 <B>create_bmp_for_circ_in_rect(1)</B>
91 <B>create_bmp_for_microstrip_coupler(1)</B>
92 <B>create_bmp_for_rect_cen_in_rect(1)</B>
93 <B>create_bmp_for_rect_cen_in_rect_coupler(1)</B>
94 <B>create_bmp_for_rect_in_circ(1)</B>
95 <B>create_bmp_for_rect_in_rect(1)</B>
96 <B>create_bmp_for_stripline_coupler(1)</B> <B>design_coupler(1)</B>
97 <B>find_optimal_dimensions_for_microstrip_coupler(1)</B> <B>readbin(1)</B>
99 http://atlc.sourceforge.net - Home page
100 http://sourceforge.net/projects/atlc - Download area
101 atlc-X.Y.Z/docs/html-docs/index.html - HTML docs
102 atlc-X.Y.Z/docs/qex-december-1996/atlc.pdf - theory paper
103 atlc-X.Y.Z/examples - examples
124 Man(1) output converted with
125 <a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>