diff options
Diffstat (limited to 'Windows/spice/examples/xspice/pll/pll-xspice-fstep.cir')
| -rw-r--r-- | Windows/spice/examples/xspice/pll/pll-xspice-fstep.cir | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/Windows/spice/examples/xspice/pll/pll-xspice-fstep.cir b/Windows/spice/examples/xspice/pll/pll-xspice-fstep.cir deleted file mode 100644 index 4f86fe9d..00000000 --- a/Windows/spice/examples/xspice/pll/pll-xspice-fstep.cir +++ /dev/null @@ -1,165 +0,0 @@ -* pll circuit using xspice code models -* three frequencies generate steps in control voltage v(cont) - -.param vcc=3.3 -.param divisor=40 -.param fref=10e6 -.param fref2=9e6 -.param fref3=11e6 -.csparam simtime=45u -.csparam f2='fref2' -.csparam f3='fref3' - -* digital zero and one -.global d_d0 d_d1 - -vdd dd 0 dc 'vcc' - -* 10 MHz reference frequency -* PULSE(V1 V2 TD TR TF PW PER) -vref ref 0 dc 0 pulse(0 'vcc' 10n 1n 1n '1/fref/2' '1/fref') -abridgeref [ref] [d_ref] adc_vbuf -.model adc_vbuf adc_bridge(in_low = 0.5 in_high = 0.5) - -*digital zero -vzero z 0 dc 0 -abridgev3 [z] [d_d0] adc_vbuf -.model adc_vbuf adc_bridge(in_low = 'vcc*0.5' in_high = 'vcc*0.5') -*digital one -ainv1 d_d0 d_d1 invd1 -.model invd1 d_inverter(rise_delay = 1e-10 fall_delay = 1e-10) - -* vco -* buf: analog out -* d_digout: digital out -* cont: analog control voltage -* dd: analog supply voltage -*.include vco_sub.cir -*xvco buf d_digout cont dd ro_vco -.include vco_sub_new.cir -xvco buf d_digout cont dd d_osc_vco - -* digital divider -adiv1 d_digout d_divout divider -.model divider d_fdiv(div_factor = 'divisor' high_cycles = 'divisor/2' -+ i_count = 4 rise_delay = 1e-10 -+ fall_delay = 1e-10) - -* frequency phase detector -.include f-p-det-d-sub.cir -Xfpdet d_divout d_ref d_U d_Un d_D d_Dn f-p-det - -* loop filter -*2nd or 3rd order, transistors as switches -.include loop-filter-2.cir -Xlf d_Un d_D cont loopf -* 2nd order, Exxxx voltage controlled current sources as 'switches' -* loop filter current sources as charge pump -*.include loop-filter.cir -*Xlf d_U d_D cont loopfe - -* d to a for plotting -abridge-w1 [d_divout d_ref d_Un d_D] [s1 s2 u1 d1] dac1 ; change to d_u or d_Un -.model dac1 dac_bridge(out_low = 0 out_high = 1 out_undef = 0.5 -+ input_load = 5.0e-12 t_rise = 1e-10 -+ t_fall = 1e-10) - -.control -save cont s1 s2 u1 d1 -iplot cont -* calculate breakpoint for switching frequency -let t1_3 = simtime/3 -set ti1_3 ="$&t1_3" -let t2_3 = simtime/3*2 -set ti2_3 ="$&t2_3" -stop when time=$ti1_3 -stop when time=$ti2_3 -* calculate new periods for f2 -let per2=1/f2 -let pw2 = per2/2 -let per3=1/f3 -let pw3 = per3/2 -*simulate -tran 0.1n $&simtime 0 0.5n uic -*change frequency after stopping -* first pair of [] without spaces, second pair with spaces -alter @vref[pulse] = [ 0 3.3 10n 1n 1n $&pw2 $&per2 ] -resume -*another change after second stop -alter @vref[pulse] = [ 0 3.3 10n 1n 1n $&pw3 $&per3 ] -resume -rusage -plot cont s1 s2+1.2 u1+2.4 d1+3.6 xlimit 15u 16u -*plot cont -.endc - -*model = bsim3v3 -*Berkeley Spice Compatibility -* Lmin= .35 Lmax= 20 Wmin= .6 Wmax= 20 -.model N1 NMOS -*+version = 3.2.4 -+version = 3.3.0 -+Level= 8 -+Tnom=27.0 -+Nch= 2.498E+17 Tox=9E-09 Xj=1.00000E-07 -+Lint=9.36e-8 Wint=1.47e-7 -+Vth0= .6322 K1= .756 K2= -3.83e-2 K3= -2.612 -+Dvt0= 2.812 Dvt1= 0.462 Dvt2=-9.17e-2 -+Nlx= 3.52291E-08 W0= 1.163e-6 -+K3b= 2.233 -+Vsat= 86301.58 Ua= 6.47e-9 Ub= 4.23e-18 Uc=-4.706281E-11 -+Rdsw= 650 U0= 388.3203 wr=1 -+A0= .3496967 Ags=.1 B0=0.546 B1= 1 -+ Dwg = -6.0E-09 Dwb = -3.56E-09 Prwb = -.213 -+Keta=-3.605872E-02 A1= 2.778747E-02 A2= .9 -+Voff=-6.735529E-02 NFactor= 1.139926 Cit= 1.622527E-04 -+Cdsc=-2.147181E-05 -+Cdscb= 0 Dvt0w = 0 Dvt1w = 0 Dvt2w = 0 -+ Cdscd = 0 Prwg = 0 -+Eta0= 1.0281729E-02 Etab=-5.042203E-03 -+Dsub= .31871233 -+Pclm= 1.114846 Pdiblc1= 2.45357E-03 Pdiblc2= 6.406289E-03 -+Drout= .31871233 Pscbe1= 5000000 Pscbe2= 5E-09 Pdiblcb = -.234 -+Pvag= 0 delta=0.01 -+ Wl = 0 Ww = -1.420242E-09 Wwl = 0 -+ Wln = 0 Wwn = .2613948 Ll = 1.300902E-10 -+ Lw = 0 Lwl = 0 Lln = .316394 -+ Lwn = 0 -+kt1=-.3 kt2=-.051 -+At= 22400 -+Ute=-1.48 -+Ua1= 3.31E-10 Ub1= 2.61E-19 Uc1= -3.42e-10 -+Kt1l=0 Prt=764.3 - -.model P1 PMOS -*+version = 3.2.4 -+version = 3.3.0 -+Level= 8 -+Tnom=27.0 -+Nch= 3.533024E+17 Tox=9E-09 Xj=1.00000E-07 -+Lint=6.23e-8 Wint=1.22e-7 -+Vth0=-.6732829 K1= .8362093 K2=-8.606622E-02 K3= 1.82 -+Dvt0= 1.903801 Dvt1= .5333922 Dvt2=-.1862677 -+Nlx= 1.28e-8 W0= 2.1e-6 -+K3b= -0.24 Prwg=-0.001 Prwb=-0.323 -+Vsat= 103503.2 Ua= 1.39995E-09 Ub= 1.e-19 Uc=-2.73e-11 -+ Rdsw= 460 U0= 138.7609 -+A0= .4716551 Ags=0.12 -+Keta=-1.871516E-03 A1= .3417965 A2= 0.83 -+Voff=-.074182 NFactor= 1.54389 Cit=-1.015667E-03 -+Cdsc= 8.937517E-04 -+Cdscb= 1.45e-4 Cdscd=1.04e-4 -+ Dvt0w=0.232 Dvt1w=4.5e6 Dvt2w=-0.0023 -+Eta0= 6.024776E-02 Etab=-4.64593E-03 -+Dsub= .23222404 -+Pclm= .989 Pdiblc1= 2.07418E-02 Pdiblc2= 1.33813E-3 -+Drout= .3222404 Pscbe1= 118000 Pscbe2= 1E-09 -+Pvag= 0 -+kt1= -0.25 kt2= -0.032 prt=64.5 -+At= 33000 -+Ute= -1.5 -+Ua1= 4.312e-9 Ub1= 6.65e-19 Uc1= 0 -+Kt1l=0 - - -.end |