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-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
-- This file is part of VESTs (Vhdl tESTs).
-- VESTs 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 version 2 of the License, or (at
-- your option) any later version.
-- VESTs 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 VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
library ieee_proposed; use ieee_proposed.electrical_systems.all;
entity inline_05a is
end entity inline_05a;
architecture test of inline_05a is
begin
block_1 : block is
constant cap : real := 1.0e-9;
constant rleak : real := 1.0E6;
-- code from book
terminal p1, p2 : electrical;
quantity vcap across icap, ileak through p1 to p2;
-- end code from book
begin
-- code from book
icap == cap * vcap'dot;
ileak == vcap / rleak;
-- end code from book
end block block_1;
block_2 : block is
-- code from book
nature electrical_vector is array (natural range <>) of electrical;
terminal a_bus : electrical_vector(1 to 8);
terminal signal_ground : electrical;
--
quantity bus_drops across bus_currents through a_bus to signal_ground;
--
terminal p1 : electrical_vector(0 to 3);
terminal p2 : electrical;
quantity v across i through p1 to p2;
--
constant tc1 : real := 1.0e-3; -- Linear temperature coefficient
constant tc2 : real := 1.0e-6; -- Second-order temperature coefficient
constant temp : real := 27.0; -- Ambient temperature
constant tnom : real := 50.0; -- Nominal temperature
constant res : real_vector := (1.0e3, 2.0e3, 4.0e3, 8.0e3); -- Nominal resistances
--
constant res_factor : real := (1.0 + tc1*(temp-tnom) + tc2*(temp-tnom)**2);
-- end code from book
begin
-- code from book
v(0) == i(0) * res(0) * res_factor;
v(1) == i(1) * res(1) * res_factor;
v(2) == i(2) * res(2) * res_factor;
v(3) == i(3) * res(3) * res_factor;
-- end code from book
end block block_2;
end architecture test;
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