diff options
Diffstat (limited to 'Windows/spice/examples/transient-noise/noi-ring51-demo.cir')
| -rw-r--r-- | Windows/spice/examples/transient-noise/noi-ring51-demo.cir | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/Windows/spice/examples/transient-noise/noi-ring51-demo.cir b/Windows/spice/examples/transient-noise/noi-ring51-demo.cir deleted file mode 100644 index 50d54eb4..00000000 --- a/Windows/spice/examples/transient-noise/noi-ring51-demo.cir +++ /dev/null @@ -1,90 +0,0 @@ -* 51 stage Ring-Osc. BSIM3, transient noise -* will need 90 sec on a i7 860 with 4 threads -* for better noise analysis simulation time may be made larger than 200n - -* closes the loop between inverters xinv1 and xinv5 -vin in out dc 0.5 pulse 0.5 0 0.1n 5n 1 1 1 - -vdd dd 0 dc 0 pulse 0 2.2 0 1n 1 1 1 - -vss ss 0 dc 0 -ve sub 0 dc 0 - -vpe well 0 2.2 - -* noisy inverters -xiinv2 dd ss sub well out25 out50 inv253 -xiinv1 dd ss sub well in out25 inv253 - -*three very noisy inverters -xiinv51 dd ss sub well out50 out51 inv1_2 -xiinv52 dd ss sub well out51 out52 inv1_2 -xiinv53 dd ss sub well out52 out inv1_2 - -*output amplifier -xiinv11 dd ss sub well out25 bufout inv2 -cout bufout ss 0.2pF - -.option itl1=500 gmin=1e-15 itl4=10 noacct - -* .dc vdd 0 2 0.01 -.tran 8p 200n - -.save in bufout v(t1) - -.include modelcard.nmos -.include modelcard.pmos - -.include noilib-demo.h - -.control -unset ngdebug -* first run -save bufout $ needed for restricting memory usage -rusage -run -rusage -plot bufout xlimit 90n 95n -linearize -fft bufout -echo start noise in plot $curplot -echo - -* next run -* reset -save bufout -* original noise parameters 0.05 8p 1.0 0.001 -alter @v.xiinv51.vn1[trnoise] = [ 0 0 0 0 ] $ no noise -alter @v.xiinv52.vn1[trnoise] = [ 0 0 0 0 ] $ no noise -alter @v.xiinv53.vn1[trnoise] = [ 0 0 0 0 ] $ no noise - -run -rusage -plot bufout xlimit 90n 95n -linearize -fft bufout -echo no noise in plot $curplot -echo - -* next run -* reset -save bufout -alter @v.xiinv51.vn1[trnoise] = [ 0.1 8p 1.5 0.002 ] $ more noise -alter @v.xiinv52.vn1[trnoise] = [ 0.1 8p 1.5 0.002 ] $ more noise -alter @v.xiinv53.vn1[trnoise] = [ 0.1 8p 1.5 0.002 ] $ more noise - -run -rusage -plot bufout xlimit 90n 95n -linearize -fft bufout -echo more noise in plot $curplot -echo - -set color0=white -set color1=black -plot mag(sp6.bufout) mag(sp2.bufout) mag(sp4.bufout) xlimit 0 2G ylimit 1e-7 1 ylog -.endc - - -.end |