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| author | rahulp13 | 2020-03-03 05:31:58 +0530 |
|---|---|---|
| committer | rahulp13 | 2020-03-03 05:31:58 +0530 |
| commit | dfc268e0863c913a1b8726cd54eea3b40caf7c67 (patch) | |
| tree | 1cd82634684da5ae86b558d44756189e080545d4 /Windows/spice/examples/soi/ring51_40.sp | |
| parent | fd62c52150c7d1f81da8060b2f5db6b94d174ccf (diff) | |
| download | eSim-dfc268e0863c913a1b8726cd54eea3b40caf7c67.tar.gz eSim-dfc268e0863c913a1b8726cd54eea3b40caf7c67.tar.bz2 eSim-dfc268e0863c913a1b8726cd54eea3b40caf7c67.zip | |
upgrade ngspice to v31
Diffstat (limited to 'Windows/spice/examples/soi/ring51_40.sp')
| -rw-r--r-- | Windows/spice/examples/soi/ring51_40.sp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Windows/spice/examples/soi/ring51_40.sp b/Windows/spice/examples/soi/ring51_40.sp new file mode 100644 index 00000000..0c833466 --- /dev/null +++ b/Windows/spice/examples/soi/ring51_40.sp @@ -0,0 +1,60 @@ +* 51 stage Ring-Osc. + +vin in out 2 pulse 2 0 0.1n 5n 1 1 1 +vdd dd 0 dc 0 pulse 0 1.5 0 1n 1 1 1 +vss ss 0 dc 0 +ve sub 0 dc 0 +vn n1 0 0 + +xinv1 dd ss sub in out25 inv25 +xinv2 dd ss sub out25 out50 inv25 +xinv5 dd ss sub out50 out inv1 +xinv11 dd ss sub out buf inv1 +cout buf ss 1pF + +* this is needed +.option reltol=1e-4 + +.tran 0.2n 16n +.print tran v(out25) v(out50) +.include ./bsim4soi/nmos4p0.mod +.include ./bsim4soi/pmos4p0.mod + + +.subckt inv1 dd ss sub in out +mn1 out in ss sub n1 w=4u l=0.15u AS=6p AD=6p PS=7u PD=7u pdbcp=0u +mp1 out in dd sub p1 w=10u l=0.15u AS=15p AD=15p PS=13u PD=13u pdbcp=0u +.ends inv1 + +.subckt inv5 dd ss sub in out +xinv1 dd ss sub in 1 inv1 +xinv2 dd ss sub 1 2 inv1 +xinv3 dd ss sub 2 3 inv1 +xinv4 dd ss sub 3 4 inv1 +xinv5 dd ss sub 4 out inv1 +.ends inv5 + +.subckt inv25 dd ss sub in out +xinv1 dd ss sub in 1 inv5 +xinv2 dd ss sub 1 2 inv5 +xinv3 dd ss sub 2 3 inv5 +xinv4 dd ss sub 3 4 inv5 +xinv5 dd ss sub 4 out inv5 +.ends inv25 + +.control +if $?batchmode +* do nothing +else + save out25 out50 + run + plot out25 out50 + let lin-tstart = 4n $ skip the start-up phase + let lin-tstop = 14n $ end earlier(just for demonstration) + let lin-tstep = 5p + linearize out25 out50 + plot out25 out50 +endif +.endc + +.end |