+++ /dev/null
-/* atlc - arbitrary transmission line calculator, for the analysis of
-transmission lines are directional couplers.
-
-Copyright (C) 2002. Dr. David Kirkby, PhD (G8WRB).
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either package_version 2
-of the License, or (at your option) any later package_version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-USA.
-
-Dr. David Kirkby, e-mail drkirkby at ntlworld.com
-
-*/
-
-/* The following calculates the odd and even mode impedances between two
-zero thickness strips of width w, spaced a distance s between two
-groundplanes of spacing h. */
-#include "config.h"
-
-
-#define RATIO 8
-#include "definitions.h"
-#include "exit_codes.h"
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
-double WW, HH, ww, Er1, Er2;
-static double ss;
-int W, H, s, w, verbose=FALSE;
-
-int main(int argc, char **argv)
-{
- double er, return_error;
- double Zodd, Zeven, Zo;
- int bmp_size=DEFAULT_COUPLER_BMP_SIZE, q;
- FILE *image_data_fp;
- struct transmission_line_properties optimise;
- struct transmission_line_properties not_used;
-
- not_used.W=1; /* keep MipsPro compiler happy on IRIX */
-
- while((q=get_options(argc,argv,"Cb:v")) != -1)
- switch (q)
- {
- case 'C':
- print_copyright((char *) "2002");
- exit_with_msg_and_exit_code("",OKAY);
- break;
- case 'b':
- bmp_size=atol(my_optarg);
- break;
- case 'v':
- verbose++;
- break;
- }
- if( bmp_size < 6 || (argc-my_optind != 5) || bmp_size>28)
- {
- usage_create_bmp_for_stripline_coupler();
- exit_with_msg_and_exit_code("",PROGRAM_CALLED_WITH_WRONG_NUMBER_OF_ARGUMENTS);
- }
- HH=atof(argv[my_optind]);
- ww=atof(argv[my_optind+1]);
- ss=atof(argv[my_optind+2]);
- if(HH<0 || ww <0 || ss<0)
- {
- fprintf(stderr,"Sorry, W, H and s must all be greater than 0\n");
- exit_with_msg_and_exit_code("",DIMENSION_LESS_THAN_ZERO);
- }
- er=atof(argv[my_optind+3]);
- Er1=er;
- Er2=er;
- if(er < 1.0)
- {
- fprintf(stderr,"Sorry, you can't have a dielectric constand Er of less than 1.0\n");
- exit_with_msg_and_exit_code("Sorry, you can't have a dielectric constand Er of less than 1.0",PERMITTIVITY_LESS_THAN_1);
- }
- if( (image_data_fp=fopen(argv[my_optind+4],"wb")) ==NULL)
- exit_with_msg_and_exit_code("Can't open binary file for writing",CANT_OPEN_FOR_WRITING);
- WW=2.0*ww+ss+RATIO*HH;
- optimise.float_values[0]=WW ; /* minimum width as a float*/
- optimise.float_values[1]=HH; /* height in floats */
- optimise.float_values[2]=ww; /* stripline width */
- optimise.float_values[3]=ss; /* spacing between the strips */
-
- optimise.importance[0]=NOT_IMPORTANT; /* W is non critical */
- optimise.importance[1]=MOST_IMPORTANT; /* H is critical */
- optimise.importance[2]=IMPORTANT; /* w is critical */
- optimise.importance[3]=IMPORTANT; /* s is most critical */
-
- optimise.odd_or_even[0]=DONT_CARE; /* W can be odd or even */
- optimise.odd_or_even[1]=ODD; /* H must be even */
- optimise.odd_or_even[2]=DONT_CARE; /* w can be odd or even */
- optimise.odd_or_even[3]=DONT_CARE; /* s can be odd or even */
-
- /* We will now optimise for the 4 parameters W, H, w and s, forcing H
- to be odd, and not bothering what the width is, as long as its about
- right. */
-
- return_error=calculate_integer_values(&optimise, 4, bmp_size);
- if(verbose >=2)
- printf("error returned from calculate_integer_values=%g\n", return_error);
- W=optimise.best[0];
- H=optimise.best[1];
- w=optimise.best[2];
- s=optimise.best[3];
- write_bitmap(image_data_fp, not_used);
- if(verbose >= 1)
- {
- calculate_Zodd_and_Zeven(&Zodd, &Zeven, &Zo, ww, HH, ss, er);
- printf("The actual dimensions you gave have theoretical imedances of:\n");
- printf(" Zodd= %f Zeven= %f Zo= %f (Ohms) ww=%f HH=%f ss=%f er=%f\n\n", Zodd, Zeven, Zo,ww,HH,ss,er);
- calculate_Zodd_and_Zeven(&Zodd, &Zeven, &Zo, (double) w, (double) H-10, (double) s, er);
- printf("The bitmap produced (which approximates what you want) should have:\n");
- printf(" Zodd= %f Zeven= %f Zo= %f (Ohms)\n", Zodd, Zeven, Zo);
- }
- return(OKAY);
-}
projects / debian / atlc / blobdiff