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-- Copyright (C) 2001-2002 The University of Cincinnati.
-- All rights reserved.
-- This file is part of VESTs (Vhdl tESTs).
-- UC MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
-- SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
-- OR NON-INFRINGEMENT. UC SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
-- LICENSEE AS A RESULT OF USING, RESULT OF USING, MODIFYING OR
-- DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
-- By using or copying this Software, Licensee agrees to abide by the
-- intellectual property laws, and all other applicable laws of the U.S.,
-- and the terms of this license.
-- You may modify, distribute, and use the software contained in this
-- package under the terms of the "GNU GENERAL PUBLIC LICENSE" version 2,
-- June 1991. A copy of this license agreement can be found in the file
-- "COPYING", distributed with this archive.
-- You should have received a copy of the GNU General Public License
-- along with VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-- ---------------------------------------------------------------------
--
-- $Id: test171.ams,v 1.1 2002-03-27 22:11:19 paw Exp $
-- $Revision: 1.1 $
--
-- ---------------------------------------------------------------------
----------------------------------------------------------------------
-- SIERRA REGRESSION TESTING MODEL
-- Develooped at:
-- Distriburted Processing Laboratory
-- University of Cincinnati
-- Cincinnati
----------------------------------------------------------------------
-- File : test171.ams
-- Author(s) : Geeta Balarkishnan(gbalakri@ececs.uc.edu)
-- Created : Sept 2001
----------------------------------------------------------------------
-- Description :
----------------------------------------------------------------------
-- the test is done for checking the correct implementation
-- of the simultaneous if equation statement.it checks
-- nature declaration, terminal and quantity declarations.
PACKAGE electricalSystem IS
NATURE electrical IS real ACROSS real THROUGH GROUND REFERENCE;
FUNCTION SIN(X : real) RETURN real;
FUNCTION EXP(X : real) RETURN real;
END PACKAGE electricalSystem;
use work.electricalSystem.all;
entity test is
end entity;
architecture atest of test is
terminal T1,T2, T3 :electrical;
quantity VC1 across IC1 through T1 to T2;
quantity VC2 across IC2 through T3;
quantity VD1 across ID1 through T2;
quantity VD2 across ID2 through T2 to T3;
quantity VS across T1;
constant BV: real:=100.0;
constant satcur: real:=1.0e-12;
constant negsatcur: real:= -1.0*satcur;
constant VT: real:=0.025;
constant C1: real:= 1.0e-12;
constant C2: real:= 1.0e-12;
begin
e1: IC1 == C1 * VC1'dot;
e2: IC2 == C2*VC2'dot;
diode1: if (VD1>=(-3.0*VT)) use
ID1 == satcur*(exp(VD1/VT)-1.0);
elsif (VD1 < (-3.0*VT) and (VD1 >-BV)) use
ID1==negsatcur;
else
ID1 == negsatcur * (exp(-(BV+ VD1/VT)-1)+satcur);
end use;
diode2: if (VD2>=(-3.0*VT)) use
ID2 == satcur*(exp(VD2/VT)-1.0);
elsif (VD2 < (-3.0*VT) and (VD2 >-BV)) use
ID2==negsatcur;
else
ID2 == negsatcur * (exp(-(BV+ VD2/VT)-1)+satcur);
end use;
esource: VS == 5.0 * sin(2.0 *3.141592 *10000.0 * real(time'pos(now))*1.0e-12);
end architecture atest;
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