K simulaci byl pouzit program SADYS. Jeho vystup je dale uveden v upravenem tvaru.
*; *: dp - antialising - c20625 om0=1; e 1; r1 1-2=1; l1 2-3=1.296492/om0; l2 3-4=0.209957/om0; c1 4 =1.129925/om0; l3 3-5=1.89632/om0; l4 5-6=0.404908/om0; c2 6 =1.032803/om0; l5 5-7=1.900117/om0; c3 7 =0.89303/om0; r2 7 =1.667; *pz;
Byla vybrana struktura T se seriovymi LC obvody v pricnych vetvich. Pro ilustraci jedne z moznosti programu je v zadani pouzita konstanta om0, kterou je provedeno kmitoctove odnormovani.
Detail propustneho pasma ma linearni meritko na kmitoctove ose.
Pro nej je lepe viditelne rovnomerne zvlneni v propustnem pasmu.
U nepropustneho pasma je pouzito logaritmicke meritko.
Program SADYS umoznuje pocitat hodnoty prenosu ve vybranych kmitoctovych
bodech. Ktere body byly vybrany je zrejme, pokud si uvedomite,
ze vzhledem k charakteru programu je vystup v Hz, t.j. misto
normovanych hodnot kmitoctu je pouzita jejich hodnota delena 2×PI.
*fre;
freq/lin 200 8000; *** Propustne pasmo - linearni meritko kmitoctu ***
nplot(41) db.p1;run;
X ... FREQ
1 ... DB .P1
AXIS Y=>
1( 5.0E-03) -4.1000E+00 -4.0000E+00 -3.9000E+00 -3.8000E+00
! ! ! !
AXIS X 0123456789012345678901234567890123456789012345678901234567890
2.0000E+02 !----1--------------!-------------------!-------------------!
3.9500E+02 ! 1 ! ! !
5.9000E+02 ! 1 ! ! !
7.8500E+02 ! 1 ! ! !
9.8000E+02 ! ! 1 ! !
1.1750E+03 ! ! 1 ! !
1.3700E+03 ! ! 1 ! !
1.5650E+03 ! ! ! 1 !
1.7600E+03 ! ! ! 1 !
1.9550E+03 ! ! ! 1 !
2.1500E+03 ! ! ! 1!
2.3450E+03 ! ! ! 1
2.5400E+03 ! ! ! 1!
2.7350E+03 ! ! ! 1 !
2.9300E+03 !-------------------!-------------------!---------1---------!
3.1250E+03 ! ! ! 1 !
3.3200E+03 ! ! 1 ! !
3.5150E+03 ! ! 1 ! !
3.7100E+03 ! 1! ! !
3.9050E+03 ! 1 ! ! !
4.1000E+03 ! 1 ! ! !
4.2950E+03 ! 1 ! ! !
4.4900E+03 ! 1 ! ! !
4.6850E+03 ! 1 ! ! !
4.8800E+03 ! 1 ! ! !
5.0750E+03 ! !1 ! !
5.2700E+03 ! ! 1 ! !
5.4650E+03 ! ! ! 1 !
5.6600E+03 ! ! ! 1 !
5.8550E+03 !-------------------!-------------------!-----------------1-!
6.0500E+03 ! ! ! 1
6.2450E+03 ! ! ! 1 !
6.4400E+03 ! ! ! 1 !
6.6350E+03 ! ! 1 ! !
6.8300E+03 ! 1 ! ! !
7.0250E+03 ! 1 ! ! !
7.2200E+03 ! 1 ! ! !
7.4150E+03 ! 1 ! ! !
7.6100E+03 ! ! ! 1 !
7.8050E+03 ! ! ! 1
8.0000E+03 !---1---------------!-------------------!-------------------!
AXIS X 0123456789012345678901234567890123456789012345678901234567890
*fre;
freq 12000 50000; *** Nepropustne pasmo - logaritmicke meritko kmitoctu ***
nplot(41) db.p1;run;
X ... FREQ
1 ... DB .P1
AXIS Y=>
1( 6.7E-01) -1.0000E+02 -8.6667E+01 -7.3333E+01 -6.0000E+01
! ! ! !
AXIS X 0123456789012345678901234567890123456789012345678901234567890
1.2000E+04 !-------------------!-------------------!--------------1----!
1.2436E+04 ! ! 1 ! !
1.2888E+04 ! ! ! 1 !
1.3356E+04 ! ! ! 1 !
1.3841E+04 ! ! ! 1 !
1.4343E+04 ! ! ! 1 !
1.4864E+04 ! ! ! 1 !
1.5404E+04 ! ! ! 1 !
1.5964E+04 ! ! 1 ! !
1.6544E+04 ! 1 ! ! !
1.7145E+04 ! ! 1 ! !
1.7767E+04 ! ! ! 1 !
1.8413E+04 ! ! ! 1 !
1.9082E+04 ! ! ! 1 !
1.9775E+04 !-------------------!-------------------!---------1---------!
2.0493E+04 ! ! ! 1 !
2.1237E+04 ! ! ! 1 !
2.2009E+04 ! ! ! 1 !
2.2808E+04 ! ! ! 1 !
2.3636E+04 ! ! ! 1 !
2.4495E+04 ! ! ! 1 !
2.5385E+04 ! ! ! 1 !
2.6307E+04 ! ! ! 1 !
2.7262E+04 ! ! ! 1 !
2.8252E+04 ! ! ! 1 !
2.9279E+04 ! ! ! 1 !
3.0342E+04 ! ! ! 1 !
3.1444E+04 ! ! ! 1 !
3.2586E+04 ! ! ! 1 !
3.3770E+04 !-------------------!-------------------!---------1---------!
3.4996E+04 ! ! ! 1 !
3.6267E+04 ! ! ! 1 !
3.7585E+04 ! ! ! 1 !
3.8950E+04 ! ! ! 1 !
4.0365E+04 ! ! ! 1 !
4.1831E+04 ! ! ! 1 !
4.3350E+04 ! ! ! 1 !
4.4925E+04 ! ! ! 1 !
4.6557E+04 ! ! ! 1 !
4.8248E+04 ! ! ! 1 !
5.0000E+04 !-------------------!-------------------!-1-----------------!
AXIS X 0123456789012345678901234567890123456789012345678901234567890
*fre;
freq=0.0464563,0.1198734,0.1550104,0.1591549,0.2387324,
0.2461123,0.3267612;
print db.p2;run;
X ... FREQ
1 ... DB .P2 *** T.j. prenos v dB NDP ****
X 1
4.64563D-02 -3.80124D+00
1.19873D-01 -3.80124D+00
1.55010D-01 -3.80124D+00
1.59155D-01 -4.08134D+00
2.38732D-01 -6.35313D+01
2.46112D-01 -1.67539D+02
3.26761D-01 -1.71144D+02