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<H1>Arguments and options for <CODE>design_coupler</CODE></H1>
If<CODE> design_coupler</CODE> is run with the wrong number of arguments (there should be 3), it prints information on what it expects for its 3 arguments and the options available. .
<pre>
sparrow /export/home/davek/atlc/src/non_gui % design_coupler
Usage: design_coupler [-d] -[e] [-q] [-s fstep] [-C] [-H height] [-L length] [-Z Zo] CF fmin fmax
where:
CF is the coupling factor required in dB [10 log(P1/P2)]
fmin is the minimum frequency (MHz)
fman is the maximum frequency (MHz)
Options are:
-d Calculate physical dimensions (takes a while).
-e Give lots of examples of usage.
-q Run in quite mode, giving less output.
-s fstep Set the analysis frequency step in MHz.
-C Print Copyright, Licencing and Distribution information.
-H height to set the height of the enclosure (defaults to 1 unit).
-L length to set the coupler length (m). Defaults to lambda/4.
-Q Run in very quite mode, giving just one line of output
-Z Zo Set the design impedance (default is 50 Ohms)
coupled port 2 ************************************************ reflected port 3
input port 1 ************************************************ output port 4
<--------------------L------------------------->
Drive Port 1. The main power comes out from port 4. A fraction (set by the
coupling factor) of the forward power comes from port 2. A fraction of the
</pre>
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