See attached figure.
Rather I suspect your test bench, since you still can not understand linear circut basics such as differentail mode, common mode, ideal transfomer and etc. at all.
https://www.edaboard.com/showthread.php?386628
Show me netlist regarding signal sources, loads, balun and analysis statements.
"test_Junus2012.scs"
Code:
// Generated for: spectre
// Generated on: Sep 19 09:28:54 2019
// Design library name: My_RFDE_Test
// Design cell name: test_Junus2012
// Design view name: schematic
simulator lang=spectre
global 0
// Library name: My_RFDE_Test
// Cell name: test_Junus2012
// View name: schematic
V0 (net2 0) vsource dc=1 mag=1 type=dc
IPRB0 (net2 net1) iprobe
R0 (net1 0) resistor r=10
C0 (net1 0) capacitor c=100p
simulatorOptions options psfversion="1.1.0" reltol=1e-3 vabstol=1e-6 \
iabstol=1e-12 temp=25.0 tnom=25.0 scalem=1.0 scale=1.0 gmin=1e-12 \
rforce=1 maxnotes=5 maxwarns=5 digits=5 cols=80 pivrel=1e-3 \
sensfile="../psf/sens.output" checklimitdest=psf
ac ac start=10M stop=1G dec=50 annotate=status
save IPRB0:in
saveOptions options save=selected