example1.html

Syntéza příčkové struktury LC filtru

Syntéza příčkové struktury NDP (parametry funkce udávají: oboustrané zakončení filtru - common, hodnotu vnitřního odporu budicího zdroje R1=1, odštěpování PI-článků "zepředu" - front a vypočtené parametry filtru - , ).

> R1:=1:

> elems_NLP:=DroppNLP(common,R1,front,PI,G,phi);

$elems_NLP := TABLE([1 = TABLE([elements = {C1 = 3.438909242}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .7483421957}, orientation = direct, Z = p*L1]), 3 = TABLE([elements = {C1 ...$
$elems_NLP := TABLE([1 = TABLE([elements = {C1 = 3.438909242}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .7483421957}, orientation = direct, Z = p*L1]), 3 = TABLE([elements = {C1 ...$
$elems_NLP := TABLE([1 = TABLE([elements = {C1 = 3.438909242}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .7483421957}, orientation = direct, Z = p*L1]), 3 = TABLE([elements = {C1 ...$
$elems_NLP := TABLE([1 = TABLE([elements = {C1 = 3.438909242}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .7483421957}, orientation = direct, Z = p*L1]), 3 = TABLE([elements = {C1 ...$
$elems_NLP := TABLE([1 = TABLE([elements = {C1 = 3.438909242}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .7483421957}, orientation = direct, Z = p*L1]), 3 = TABLE([elements = {C1 ...$
$elems_NLP := TABLE([1 = TABLE([elements = {C1 = 3.438909242}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .7483421957}, orientation = direct, Z = p*L1]), 3 = TABLE([elements = {C1 ...$

Obecné zapojení struktur příčkových LC filtrů složené z T (a) a PI-článků (b).

Příčková struktura LC filtru výše vypočtené NLP.

Analýza výsledné LC struktury NDP- vykreslení modulové charakteristiky.

> H_NLP:=MakeH(elems_NLP);

> mg_NLP:=MagnitudeHdB(H_NLP)(omega):

> plot(mg_NLP,omega=0..2,labels=["omega [1/s]","a [dB]"],thickness=2);

Impednční a kmitočtové odnormování - určení struktury a velikost prvků požadované dolní propusti. Struktura je shodná s výše uvedenou strukturou NDP.

> R:=100:

> elems_LP:=ElemsLP(elems_NLP,R,fp);

$elems_LP := TABLE([1 = TABLE([elements = {C1 = .5473194046e-5}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .1191023595e-1}, orientation = direct, Z = p*L1]), 3 = TABLE([elements =...$
$elems_LP := TABLE([1 = TABLE([elements = {C1 = .5473194046e-5}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .1191023595e-1}, orientation = direct, Z = p*L1]), 3 = TABLE([elements =...$
$elems_LP := TABLE([1 = TABLE([elements = {C1 = .5473194046e-5}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .1191023595e-1}, orientation = direct, Z = p*L1]), 3 = TABLE([elements =...$
$elems_LP := TABLE([1 = TABLE([elements = {C1 = .5473194046e-5}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .1191023595e-1}, orientation = direct, Z = p*L1]), 3 = TABLE([elements =...$
$elems_LP := TABLE([1 = TABLE([elements = {C1 = .5473194046e-5}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .1191023595e-1}, orientation = direct, Z = p*L1]), 3 = TABLE([elements =...$
$elems_LP := TABLE([1 = TABLE([elements = {C1 = .5473194046e-5}, orientation = shunt, Z = 1/(p*C1)]), 2 = TABLE([elements = {L1 = .1191023595e-1}, orientation = direct, Z = p*L1]), 3 = TABLE([elements =...$

Analýza LC struktury DP- vykreslení modulové charakteristiky.

> H_LP:=MakeH(elems_LP):

> mg_LP:=MagnitudeHdB(H_LP)(2*Pi*f):

> plot(mg_LP,f=0..2000,labels=["f [Hz]","a [dB]"],thickness=2);