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Diffstat (limited to 'testsuite/vests/vhdl-ams/ashenden/compliant/analog-modeling/quad_opamp_wa.vhd')
-rw-r--r-- | testsuite/vests/vhdl-ams/ashenden/compliant/analog-modeling/quad_opamp_wa.vhd | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/analog-modeling/quad_opamp_wa.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/analog-modeling/quad_opamp_wa.vhd new file mode 100644 index 000000000..221b3e97f --- /dev/null +++ b/testsuite/vests/vhdl-ams/ashenden/compliant/analog-modeling/quad_opamp_wa.vhd @@ -0,0 +1,50 @@ + +-- 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 quad_opamp_wa is + port (terminal n1, n2, output : electrical_vector(1 to 4)); +end entity quad_opamp_wa ; + +---------------------------------------------------------------- + +architecture slew_limited of quad_opamp_wa is + + quantity vin across n1 to n2; + quantity vout across iout through output; + quantity vamp1 : real; + quantity vamp2 : real; + quantity vamp3 : real; + quantity vamp4 : real; + constant gain : real := 50.0; + +begin + + vamp1 == gain*vin(1); + vamp2 == gain*vin(2); + vamp3 == gain*vin(3); + vamp4 == gain*vin(4); + + vout(1) == vamp1'slew(1.0e6,-1.0e6); + vout(2) == vamp2'slew(1.0e6,-1.0e6); + vout(3) == vamp3'slew(1.0e6,-1.0e6); + vout(4) == vamp4'slew(1.0e6,-1.0e6); + +end architecture slew_limited ; |