* Ideal transformer test deck

* ideal transformer 1
.SUBCKT IT1 1 2 3 4 Np=1 Ns=1
* 1 in+
* 2 in-
* 3 out+
* 4 out-
E1 1 2 3 4 { +Np/Ns }
F1 3 4 E1  { -Np/Ns }
.ENDS IT1

VSIG 1 0 DC 100uV SIN(0 5 5000.0 0.0 0.0 0.0)
R0   1 2 1.0
R1   3 0 100.0
XT1  2 0 3 0 IT1 Np=1 Ns=2

.OPTIONS METHOD=GEAR
.TRAN 1u 1ms 0 1u UIC

.control
* run
* write transformer.raw
* quit
run
* plot v(sig) v(in+) v(out+) i(v(sig))
plot v(1) v(2) v(3) i(vsig)
.endc

.end