4 architecture behav of vibration is
5 subtype displacement is real tolerance "def_disp";
6 nature electrical is real across real through ref reference;
8 terminal v0, v1 : electrical;
9 -- quantity vd1 across id1, ic1 through v0 to v1;
10 quantity vd2 := 5.2 across v0 to v1;
11 quantity vd3 through v0 to v1;