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antenna.h

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// SuperMix version 1.0  C++ source file
//
// Copyright (c) 1999 California Institute of Technology.
// All rights reserved.
//
// Redistribution and use in source and binary forms for noncommercial
// purposes are permitted provided that the above copyright notice and
// this paragraph are duplicated in all such forms and that any
// documentation and other materials related to such distribution and
// use acknowledge that the software was developed by California
// Institute of Technology. Redistribution and/or use in source or
// binary forms is not permitted for any commercial purpose. Use of
// this software does not include a permitted use of the Institute's
// name or trademark for any purpose.
//
// DISCLAIMER:
// THIS SOFTWARE AND/OR RELATED MATERIALS ARE PROVIDED "AS-IS" WITHOUT
// WARRANTY OF ANY KIND INCLUDING ANY WARRANTIES OF PERFORMANCE OR
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE (AS SET
// FORTH IN UCC 23212-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE
// LICENSED PRODUCT, HOWEVER USED.  IN NO EVENT SHALL CALTECH/JPL BE
// LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING BUT NOT LIMITED TO
// INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, INCLUDING ECONOMIC
// DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, REGARDLESS OF
// WHETHER CALTECH/JPL SHALL BE ADVISED, HAVE REASON TO KNOW, OR IN
// FACT SHALL KNOW OF THE POSSIBILITY.  THE USER BEARS ALL RISK
// RELATING TO QUALITY AND PERFORMANCE OF THE SOFTWARE AND/OR RELATED
// MATERIALS.
//
// ********************************************************************

#ifndef ANTENNA_H
#define ANTENNA_H


#include "circuit.h"
#include "elements.h"
#include "transformer.h"

// ********************************************************************

class slot_antenna : public nport
{
public:
  complex_parameter Z;

  slot_antenna(const abstract_real_parameter & p = device::Z0)
    : nport(3), Z(&p)
    { info.noise = info.active = info.source = false; }

  slot_antenna(const abstract_complex_parameter & p)
    : nport(3), Z(&p)
    { info.noise = info.active = info.source = false; }

private:
  // The calculation is done here.
  virtual void recalc();

};


// ********************************************************************

class twin_slot_antenna : public nport
{
public:

  nport *pA;

  parameter Temp;

  twin_slot_antenna();

  twin_slot_antenna(nport & r);

  twin_slot_antenna & set(nport & r);

  twin_slot_antenna & set_T(double t)
  { Temp = t; return *this; }

  twin_slot_antenna & set_T(abstract_real_parameter * t)
  { Temp = t; return *this; }

  int size() { return (pA) ? 5 : 0; }

  // is an "active" noise source if its temperature is not the global T
  const nport::data_info & get_data_info() 
  { info.active = (Temp != device::T); return info; }

private:
  void recalc()   { recalc_S(); data.passive_noise(f, Temp); }
  void recalc_S();

  simple_nport a;

  series_tee t1,t2;

  circuit c;
  
};

// ********************************************************************

class power_divider : public nport
{
public:
  parameter Temp;

  power_divider() : nport(3), Temp(&device::T)
  {
    info.source = false;
    const double s = 1.0/RmsToPeak;
    data.S[1][2] = data.S[2][1] = s;
    data.S[1][3] = data.S[3][1] = s;
  }

  power_divider & set_T(double t)
  { Temp = t; return *this; }

  power_divider & set_T(abstract_real_parameter * t)
  { Temp = t; return *this; }

  // is an "active" noise source if its temperature is not the global T
  const nport::data_info & get_data_info() 
  { info.active = (Temp != device::T); return info; }

private:
  // recalc()'s needn't do anything to the S matrix.
  void recalc()   { data.passive_noise(f, Temp); }
  void recalc_S() { }
};

#endif /* ANTENNA_H */

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