aboutsummaryrefslogtreecommitdiffstats
path: root/testsuite/vests/vhdl-ams/ashenden/compliant/analog-modeling/capacitor.vhd
blob: 06c375461533a34b86e0a34887214571f855b8ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
-- 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 capacitor is 
  port ( terminal node1, node2 : electrical );
end entity capacitor;

architecture leakage of capacitor is
  constant c : real := 1.0E-6;
  constant r_leak : real := 10.0E6;
  quantity v_cap across i_cap, i_leak through node1 to node2;
begin
  i_cap == c * v_cap'dot; 
  i_leak == v_cap / r_leak;
end architecture leakage;