rlar
13 years ago
23 changed files with 0 additions and 1924 deletions
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9configure.ac
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22examples/pss/colpitt_osc_pss.cir
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33examples/pss/compl_cross_quad_osc_pss.cir
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19examples/pss/hartley_osc_pss.cir
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26examples/pss/ring_osc_pss.cir
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21examples/pss/vackar_osc_pss.cir
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17examples/pss/vdp_osc_pss.cir
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16src/frontend/commands.c
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11src/frontend/runcoms.c
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3src/frontend/runcoms.h
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47src/frontend/shyu.c
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10src/frontend/spiceif.c
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1src/include/ngspice/Makefile.am
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17src/include/ngspice/cktdefs.h
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39src/include/ngspice/pssdefs.h
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9src/spicelib/analysis/Makefile.am
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7src/spicelib/analysis/analysis.c
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1367src/spicelib/analysis/dcpss.c
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54src/spicelib/analysis/pssaskq.c
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35src/spicelib/analysis/pssinit.c
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83src/spicelib/analysis/psssetp.c
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74src/spicelib/parser/inp2dot.c
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4visualc/vngspice.vcproj
@ -1,22 +0,0 @@ |
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Colpitt's Oscillator Circuit |
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* Colpitt is an harmonic oscillator (LC based) which use |
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* a capacitive partition of resonator to feed the single |
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* active device. |
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* Prediceted frequency is about 3.33945e+06 Hz. |
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|
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* Models: |
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.model qnl npn(level=1 bf=80 rb=100 ccs=2pf tf=0.3ns tr=6ns cje=3pf cjc=2pf va=50) |
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|
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r1 1 0 1 |
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q1 2 1 3 qnl |
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vcc 4 0 5 |
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rl 4 2 750 |
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c1 2 3 500p |
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c2 4 3 4500p |
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l1 4 2 5uH |
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re 3 6 4.65k |
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vee 6 0 dc -10 pwl 0 0 1e-9 -10 |
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|
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*.tran 30n 12u |
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.pss 4e6 500e-6 3 1024 11 50 5e-3 uic |
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|
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@ -1,33 +0,0 @@ |
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Complimentary Cross Quad CMOS Oscillator |
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* Predicted frequency is 5.59197e+08 Hz. |
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|
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* Supply |
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vdd vdd gnd 1.2 pwl 0 1.2 1e-9 1.2 |
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rdd vdd vdd_ana 70m |
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rgnd gnd gnd_ana 70m |
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|
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* Cross quad |
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mpsx v_plus v_minus vdd_ana vdd_ana pch w=10u l=0.1u |
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mnsx v_plus v_minus gnd_ana gnd_ana nch w=10u l=0.1u |
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mpdx v_minus v_plus vdd_ana vdd_ana pch w=10u l=0.1u |
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mndx v_minus v_plus gnd_ana gnd_ana nch w=10u l=0.1u |
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|
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* Lumped elements model of real inductor |
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ls v_plus i1 19.462n ic=0.06 |
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rs i1 v_minus 7.789 |
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cs v_plus v_minus 443f |
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coxs v_plus is 2.178p |
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coxd v_minus id 2.178p |
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rsis is gnd_ana 308 |
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rsid id gnd_ana 308 |
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csis is gnd_ana 51f |
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csid id gnd_ana 51f |
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|
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* Parallel capacitor to determine leading resonance |
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cp v_plus v_minus 3.4p |
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|
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.model nch nmos ( version=4.4 level=54 lmin=0.1u lmax=20u wmin=0.1u wmax=10u ) |
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.model pch pmos ( version=4.4 level=54 lmin=0.1u lmax=20u wmin=0.1u wmax=10u ) |
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|
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*.tran 0.05n 1u uic |
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.pss 624e6 1u v_plus 1024 10 50 5e-3 uic |
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@ -1,19 +0,0 @@ |
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Hartley's Oscillator Circuit |
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* Hartley is an harmonic oscillator (LC based) which use |
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* an inductive partition of resonator to feed the single |
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* active device. Output is taken on node 2. |
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* Prediceted frequency is about 122.06 Hz. |
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|
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* Models: |
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.model qnl npn(level=1 bf=80 rb=100 ccs=2pf tf=0.3ns tr=6ns cje=3pf cjc=2pf va=50) |
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|
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vcc 1 0 5 pwl 0 0 1e-5 5 |
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r1 1 2 0.2k |
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q1 2 3 0 qnl |
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c1 3 4 633n |
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l1 3 0 1.5 |
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l2 0 4 500m |
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r2 4 2 100 |
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|
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*.tran 300n 50m |
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.pss 150 200e-3 2 1024 11 50 5e-3 uic |
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@ -1,26 +0,0 @@ |
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Ring CMOS Oscillator |
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* Predicted frequency is 3.84841e+09 Hz. |
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|
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* Supply |
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vdd vdd gnd 1.2 pwl 0 1.2 1e-9 1.2 |
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rdd vdd vdd_ana 70m |
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rgnd gnd gnd_ana 70m |
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|
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* Inverter |
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mp1 inv1 inv3 vdd_ana vdd_ana pch w=10u l=0.18u |
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mn1 inv1 inv3 gnd_ana gnd_ana nch w=10u l=0.18u |
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mp2 inv2 inv1 vdd_ana vdd_ana pch w=10u l=0.18u |
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mn2 inv2 inv1 gnd_ana gnd_ana nch w=10u l=0.18u |
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mp3 inv3 inv2 vdd_ana vdd_ana pch w=10u l=0.18u |
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mn3 inv3 inv2 gnd_ana gnd_ana nch w=10u l=0.18u |
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|
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* Buffer out |
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mp4 bout inv3 vdd_ana vdd_ana pch w=10u l=0.18u |
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mn4 bout inv3 gnd_ana gnd_ana nch w=10u l=0.18u |
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|
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.model nch nmos ( version=4.4 level=54 lmin=0.1u lmax=20u wmin=0.1u wmax=10u ) |
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.model pch pmos ( version=4.4 level=54 lmin=0.1u lmax=20u wmin=0.1u wmax=10u ) |
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|
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*.tran 0.005n 100n |
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*.plot tran v(4) |
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.pss 624e6 500n bout 1024 10 100 5e-3 uic |
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@ -1,21 +0,0 @@ |
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Vackar's Oscillator Circuit |
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* Vackar is a derivation of Colpitt's oscillator (LC based). |
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* Oscillation is taken on node 4. |
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* Predicted frequency is 1.92291e+06Hz. |
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|
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* Models: |
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.model qnl npn(level=1 bf=80 rb=100 ccs=2pf tf=0.3ns tr=6ns cje=3pf cjc=2pf va=50) |
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|
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vcc 1 0 5 pwl 0 10 1e-9 5 |
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lrfc 1 2 100u |
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cdec 2 0 7n |
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q1 3 2 0 qnl |
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rb 3 0 4700 |
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c1 3 4 100p |
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c2 3 0 600p |
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c0 4 0 1n |
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l1 4 1 6.2u |
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|
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*.tran 30n 12u |
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*.plot tran v(4) |
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.pss 4e6 10e-6 4 1024 10 50 5e-3 uic |
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@ -1,17 +0,0 @@ |
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Van Der Pol Oscillator |
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* Prediceted frequency is about 4.58957e+06 Hz. |
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|
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* Third harmonic is high as the first one |
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Ba gib 0 I=-1e-2*v(gib,0)+1e-2*v(gib,0)^3 |
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* Q is about 10 |
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La gib 0 1.2e-6 |
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Ra gib 0 158.113 |
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Ca gib 0 1e-9 ic=0.5 |
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*La gib 0 1e-9 |
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*Ra gib 0 474.6 |
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*Ca gib 0 1e-9 ic=0.5 |
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* Ghost node... Test for my PSS! |
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Rb bad 0 1k |
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|
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*.tran 1e-9 150e-6 uic |
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.pss 0.8e6 130e-6 gib 1024 11 50 5e-3 uic |
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@ -1,39 +0,0 @@ |
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/********** |
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Author: 2010-05 Stefano Perticaroli ``spertica'' |
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**********/ |
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|
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#ifndef PSS_H |
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#define PSS_H |
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|
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#include "ngspice/jobdefs.h" |
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#include "ngspice/tskdefs.h" |
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/* |
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* PSSdefs.h - defs for pss analyses |
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*/ |
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|
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typedef struct { |
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int JOBtype; |
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JOB *JOBnextJob; |
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char *JOBname; |
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double PSSguessedFreq; |
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CKTnode *PSSoscNode; |
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double PSSstabTime; |
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long PSSmode; |
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long int PSSpoints; |
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int PSSharms; |
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void *PSSplot_td; |
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void *PSSplot_fd; |
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int sc_iter; |
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double steady_coeff; |
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} PSSan; |
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|
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#define GUESSED_FREQ 1 |
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#define STAB_TIME 2 |
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#define OSC_NODE 3 |
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#define PSS_POINTS 4 |
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#define PSS_HARMS 5 |
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#define PSS_UIC 6 |
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#define SC_ITER 7 |
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#define STEADY_COEFF 8 |
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|
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#endif |
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1367
src/spicelib/analysis/dcpss.c
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@ -1,54 +0,0 @@ |
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/********** |
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Author: 2010-05 Stefano Perticaroli ``spertica'' |
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**********/ |
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|
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#include "ngspice/ngspice.h" |
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#include "ngspice/ifsim.h" |
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#include "ngspice/iferrmsg.h" |
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#include "ngspice/cktdefs.h" |
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#include "ngspice/pssdefs.h" |
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|
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/* ARGSUSED */ |
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int |
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PSSaskQuest(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value) |
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{ |
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PSSan *job = (PSSan *) anal; |
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|
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NG_IGNORE(ckt); |
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|
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switch(which) { |
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|
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case GUESSED_FREQ: |
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value->rValue = job->PSSguessedFreq; |
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break; |
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case OSC_NODE: |
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value->nValue = job->PSSoscNode; |
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break; |
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case STAB_TIME: |
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value->rValue = job->PSSstabTime; |
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break; |
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case PSS_UIC: |
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if (job->PSSmode & MODEUIC) { |
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value->iValue = 1; |
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} else { |
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value->iValue = 0; |
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} |
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break; |
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case PSS_POINTS: |
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value->iValue = job->PSSpoints; |
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break; |
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case PSS_HARMS: |
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value->iValue = job->PSSharms; |
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break; |
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case SC_ITER: |
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value->iValue = job->sc_iter; |
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break; |
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case STEADY_COEFF: |
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value->rValue = job->steady_coeff; |
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break; |
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|
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default: |
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return(E_BADPARM); |
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} |
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return(OK); |
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} |
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@ -1,35 +0,0 @@ |
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/********** |
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Author: 2010-05 Stefano Perticaroli ``spertica'' |
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**********/ |
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|
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#include "ngspice/ngspice.h" |
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#include "ngspice/cktdefs.h" |
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#include "ngspice/trandefs.h" |
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#include "ngspice/pssdefs.h" |
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#include "ngspice/iferrmsg.h" |
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|
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int PSSinit(CKTcircuit *ckt, JOB *anal) |
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{ |
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PSSan *job = (PSSan *) anal; |
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|
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/* Final time depends on stabilization time requested for PSS |
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and on at least one more oscillation period */ |
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ckt->CKTfinalTime = job->PSSstabTime + 2/job->PSSguessedFreq; |
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/* Step is chosen empirically to be 1% of PSSguessedFreq */ |
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ckt->CKTstep = 0.01 * (1/job->PSSguessedFreq); |
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/* Init time should be always zero */ |
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ckt->CKTinitTime = 0; |
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/* MaxStep should not exceed Nyquist criterion */ |
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ckt->CKTmaxStep = 0.5*(1/job->PSSguessedFreq); |
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ckt->CKTdelmin = 1e-9*ckt->CKTmaxStep; |
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ckt->CKTmode = job->PSSmode; |
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/* modified CKTdefs.h for the following - 100609 */ |
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ckt->CKTstabTime = job->PSSstabTime; |
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ckt->CKTguessedFreq = job->PSSguessedFreq; |
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ckt->CKTharms = job->PSSharms; |
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ckt->CKTpsspoints = job->PSSpoints; |
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ckt->CKTsc_iter = job->sc_iter; |
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ckt->CKTsteady_coeff = job->steady_coeff; |
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|
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return OK; |
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} |
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@ -1,83 +0,0 @@ |
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/********** |
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Author: 2010-05 Stefano Perticaroli ``spertica'' |
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**********/ |
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|
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#include "ngspice/ngspice.h" |
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#include "ngspice/ifsim.h" |
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#include "ngspice/iferrmsg.h" |
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#include "ngspice/cktdefs.h" |
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#include "ngspice/pssdefs.h" |
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|
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#include "analysis.h" |
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|
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/* ARGSUSED */ |
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int |
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PSSsetParm(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value) |
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{ |
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PSSan *job = (PSSan *) anal; |
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|
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NG_IGNORE(ckt); |
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|
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switch(which) { |
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|
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case GUESSED_FREQ: |
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job->PSSguessedFreq = value->rValue; |
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break; |
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case OSC_NODE: |
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job->PSSoscNode = value->nValue; |
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break; |
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case STAB_TIME: |
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job->PSSstabTime = value->rValue; |
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break; |
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case PSS_POINTS: |
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job->PSSpoints = value->iValue; |
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break; |
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case PSS_HARMS: |
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job->PSSharms = value->iValue; |
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break; |
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case PSS_UIC: |
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if(value->iValue) { |
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job->PSSmode |= MODEUIC; |
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} |
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break; |
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case SC_ITER: |
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job->sc_iter = value->iValue; |
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break; |
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case STEADY_COEFF: |
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job->steady_coeff = value->rValue; |
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break; |
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|
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default: |
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return(E_BADPARM); |
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} |
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return(OK); |
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} |
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|
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|
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static IFparm PSSparms[] = { |
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{ "fguess", GUESSED_FREQ, IF_SET|IF_REAL, "guessed frequency" }, |
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{ "oscnode", OSC_NODE, IF_SET|IF_STRING, "oscillation node" }, |
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{ "stabtime", STAB_TIME, IF_SET|IF_REAL, "stabilization time" }, |
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{ "points", PSS_POINTS, IF_SET|IF_INTEGER, "pick equispaced number of time points in PSS" }, |
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{ "harmonics", PSS_HARMS, IF_SET|IF_INTEGER, "consider only given number of harmonics in PSS from DC" }, |
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{ "uic", PSS_UIC, IF_SET|IF_INTEGER, "use initial conditions (1 true - 0 false)" }, |
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{ "sc_iter", SC_ITER, IF_SET|IF_INTEGER, "maxmimum number of shooting cycle iterations" }, |
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{ "steady_coeff", STEADY_COEFF, IF_SET|IF_INTEGER, "set steady coefficient for convergence test" } |
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}; |
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|
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SPICEanalysis PSSinfo = { |
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{ |
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"PSS", |
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"Periodic Steady State analysis", |
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|
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sizeof(PSSparms)/sizeof(IFparm), |
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PSSparms |
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}, |
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sizeof(PSSan), |
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TIMEDOMAIN, |
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1, |
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PSSsetParm, |
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PSSaskQuest, |
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PSSinit, |
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DCpss |
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}; |
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