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## NAME

```       coax  - determine impedance of a coaxial structure, where the inner may
be offset from the centre if necessary.

```

## SYNOPSIS

```       coax [-O offset] d D Er

```

## DESCRIPTION

```       coax computes the impedance of  a  coaxial  cable,  given  the  outside
diameter  of  the inner conductor d, the internal diameter of the outer
conductor D and the relative permittivity  of  the  dielectric  Er.  If
there  is  an  offset  between  the  inner  and outer (i.e. the coax is
eccentric), the offset can be given as a option. coax uses the equation
Zo=59.95849160 ln(x+sqrt(x^2-1)) /sqrt(Er)  Ohms
where x=(d^2+D^2-4 O^2)/(2*D*d)

```

## FILES

```       coax does not read/write any files.

```

```       atlc(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)
dualcoax(1)
find_optimal_dimensions_for_microstrip_coupler(1)

/usr/local/share/atlc/docs/html-docs/index.html  - HTML docs
/usr/local/share/atlc/docs/qex-december-1996/atlc.pdf - theory paper
/usr/local/share/atlc/examples    - examples
```