М.А. Амелина - Конспект лекций по курсу - Компьютерный анализ и синтез электронных устройств, страница 17
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ɉɪɢ ɧɟɜɵɩɨɥɧɟɧɢɢ ɷɬɨɝɨɥɨɝɢɱɟɫɤɨɝɨ ɜɵɪɚɠɟɧɢɹ, ɧɚ ɜɵɯɨɞɟ ɭɫɬɪɨɣɫɬɜɚ — ɡɧɚɱɟɧɢɟ, ɡɚɩɨɦɧɟɧɧɨɟ ɜ ɦɨɦɟɧɬ ɜɪɟɦɟɧɢɩɟɪɟɯɨɞɚ ɥɨɝɢɱɟɫɤɨɝɨ ɜɵɪɚɠɟɧɢɹ ɢɡ ɢɫɬɢɧɧɨɝɨ ɜ ɥɨɠɧɨɟ ɫɨɫɬɨɹɧɢɟ. Ɍɚɤɢɦ ɨɛɪɚɡɨɦ, ɩɪɢ ɡɚɞɚɧɢɢ ɩɨɥɹ SAMPLE EXPRESSION ɦɨɦɟɧɬ ɩɟɪɟɯɨɞɚ ɥɨɝɢɱɟɫɤɨɝɨ ɜɵɪɚɠɟɧɢɹ ɢɡ ɥɨɠɧɨɝɨ ɜ ɢɫɬɢɧɧɨɟ — ɷɬɨ ɩɨɫɬɭɩɥɟɧɢɟ ɤɨɦɚɧɞɵ ɧɚ ɜɵɛɨɪɤɭ (ɫɥɟɠɟɧɢɟ) ɡɚ ɜɯɨɞɧɨɣ ɮɭɧɤɰɢɟɣ; ɚ ɦɨɦɟɧɬ ɩɟɪɟɯɨɞɚ ɢɡ ɢɫɬɢɧɧɨɝɨ ɜ ɥɨɠɧɨɟ — ɷɬɨ ɩɨɫɬɭɩɥɟɧɢɟ ɤɨɦɚɧɞɵ ɧɚ ɯɪɚɧɟɧɢɟ.
ȼ ɷɬɨɦ ɫɥɭɱɚɟ ɡɧɚɱɟɧɢɟ,ɭɤɚɡɚɧɧɨɟ ɜ ɩɨɥɟ PERIOD ɢɝɧɨɪɢɪɭɟɬɫɹ.75D:\Ɉɩɢɫɚɧɢɟ MC8\MC8_V1_2.DOCȼ ɩɨɥɟ ɚɬɪɢɛɭɬɚ PERIOD ɭɤɚɡɵɜɚɟɬɫɹ ɢɧɬɟɪɜɚɥ ɜɪɟɦɟɧɢ, ɱɟɪɟɡ ɤɨɬɨɪɵɣ ɛɭɞɭɬ ɩɪɨɢɡɜɨɞɢɬɶɫɹ ɜɵɛɨɪɤɢ ɫɢɝɧɚɥɚ. ɇɚ ɷɬɨ ɠɟ ɜɪɟɦɹ ɩɪɨɢɫɯɨɞɢɬ ɢ ɡɚɩɨɦɢɧɚɧɢɟ ɜɵɛɨɪɤɢ. Ɂɧɚɱɟɧɢɟ ɷɬɨɝɨɚɬɪɢɛɭɬɚ ɩɪɢɧɢɦɚɟɬɫɹ ɜɨ ɜɧɢɦɚɧɢɟ ɩɪɢ ɚɧɚɥɢɡɟ, ɟɫɥɢ ɩɨɥɟ ɚɬɪɢɛɭɬɚ SAMPLE EXPRESSION ɧɟɡɚɩɨɥɧɟɧɨ.
ɉɪɢɦɟɪɵ ɪɚɛɨɬɵ ɭɫɬɪɨɣɫɬɜɚ ɜɵɛɨɪɤɢ-ɯɪɚɧɟɧɢɹ ɫɦ. ɜ ɫɯɟɦɧɵɯ ɮɚɣɥɚɯ SAMPLEAND HOLD_01… SAMPLE AND HOLD_04 ɢɡ ɤɚɬɚɥɨɝɚ COMPONENTS\MISC (ɪɢɫ. 3.21).Ɋɢɫ. 3.21. Ɇɨɞɟɥɢɪɨɜɚɧɢɟ ɭɫɬɪɨɣɫɬɜɚ ɜɵɛɨɪɤɢ-ɯɪɚɧɟɧɢɹ (Sample and Hold)3.6.3.6.1.Ɇɣɨɠɤɨɶɠ ɣ ɨɠɦɣɨɠɤɨɶɠ ɢɛɝɣɬɣɧɶɠ ɣɬɭɩɲɨɣɥɣɂɛɝɣɬɣɧɶɠ ɣɬɭɩɲɨɣɥɣ ɦɣɨɠɤɨɶɠ ɣ ɪɩɦɣɨɩɧɣɛɦɷɨɶɠ (Dependent Sources)Ɇɣɨɠɤɨɶɠ ɢɛɝɣɬɣɧɶɠ ɣɬɭɩɲɨɣɥɣɎɨɪɦɚɬ ɫɯɟɦ:Ⱥɬɪɢɛɭɬ PART: <ɢɦɹ>Ⱥɬɪɢɛɭɬ VALUE: <ɤɨɷɮɮɢɰɢɟɧɬ ɩɟɪɟɞɚɱɢ>ȼ ɩɪɨɝɪɚɦɦɟ MC8 ɢɦɟɟɬɫɹ ɱɟɬɵɪɟ ɥɢɧɟɣɧɵɯ ɡɚɜɢɫɢɦɵɯ ɢɫɬɨɱɧɢɤɚ ɧɚɩɪɹɠɟɧɢɹ ɢ ɬɨɤɚ:VofV — ɢɫɬɨɱɧɢɤ ɧɚɩɪɹɠɟɧɢɹ, ɭɩɪɚɜɥɹɟɦɵɣ ɧɚɩɪɹɠɟɧɢɟɦ (ɂɇɍɇ);Vofl — ɢɫɬɨɱɧɢɤ ɧɚɩɪɹɠɟɧɢɹ, ɭɩɪɚɜɥɹɟɦɵɣ ɬɨɤɨɦ (ɂɇɍɌ);lofV — ɢɫɬɨɱɧɢɤ ɬɨɤɚ, ɭɩɪɚɜɥɹɟɦɵɣ ɧɚɩɪɹɠɟɧɢɟɦ (ɂɌɍɇ).lofl — ɢɫɬɨɱɧɢɤ ɬɨɤɚ, ɭɩɪɚɜɥɹɟɦɵɣ ɬɨɤɨɦ (ɂɌɍɌ);76Ɇ.Ⱥ. Ⱥɦɟɥɢɧɚ03.03.2006ɫɬɪ.
77 ɢɡ 135ȼɫɟ ɨɧɢ ɡɚɞɚɸɬɫɹ ɟɞɢɧɫɬɜɟɧɧɵɦ ɩɚɪɚɦɟɬɪɨɦ — ɤɨɷɮɮɢɰɢɟɧɬɨɦ ɩɟɪɟɞɚɱɢ.Ɋɩɦɣɨɩɧɣɛɦɷɨɶɠ ɢɛɝɣɬɣɧɶɠ ɣɬɭɩɲɨɣɥɣȼ ɩɪɨɝɪɚɦɦɟ MC8 ɢɦɟɟɬɫɹ ɱɟɬɵɪɟ ɩɨɥɢɧɨɦɢɚɥɶɧɵɯ ɡɚɜɢɫɢɦɵɯ ɢɫɬɨɱɧɢɤɚ ɧɚɩɪɹɠɟɧɢɹ ɢɬɨɤɚ:EVofV — ɢɫɬɨɱɧɢɤ ɧɚɩɪɹɠɟɧɢɹ, ɭɩɪɚɜɥɹɟɦɵɣ ɧɚɩɪɹɠɟɧɢɹɦɢ;HVofl — ɢɫɬɨɱɧɢɤ ɧɚɩɪɹɠɟɧɢɹ, ɭɩɪɚɜɥɹɟɦɵɣ ɬɨɤɚɦɢ;GlofV — ɢɫɬɨɱɧɢɤ ɬɨɤɚ, ɭɩɪɚɜɥɹɟɦɵɣ ɧɚɩɪɹɠɟɧɢɹɦɢ.Flofl — ɢɫɬɨɱɧɢɤ ɬɨɤɚ, ɭɩɪɚɜɥɹɟɦɵɣ ɬɨɤɚɦɢ;Ɏɨɪɦɚɬ ɫɯɟɦ MC8:Ⱥɬɪɢɛɭɬ PART: <ɢɦɹ>Ⱥɬɪɢɛɭɬ VALUE:[POLY(<k>)] n1p n1m [n2p n2m...nkp nkm] p0 [p1...pk] [IC=c1[,c2[,c3...[,ck]]]][POLY(<k)] v1 [v2...vk] p0 [p1...pk] [IC=c1[,c2[,c3...[,ck]]]]ɉɪɢ ɧɚɥɢɱɢɢ ɤɥɸɱɟɜɨɝɨ ɫɥɨɜɚ POLY ɭɩɪɚɜɥɹɟɦɵɣ ɢɫɬɨɱɧɢɤ Y = Y(ɏ1, ɏ2,…, XN) ɨɩɢɫɵɜɚɟɬɫɹ ɩɨɥɢɧɨɦɢɚɥɶɧɨɣ ɮɭɧɤɰɢɟɣ (ɡɞɟɫɶ ɩɨɤɚɡɚɧ ɫɥɭɱɚɣ ɞɥɹ ɬɪɟɯ ɩɟɪɟɦɟɧɧɵɯ):Y = P0 + P1 x1 + P2 x2 + P3 x3 + P4 x12 + P5 x1 x2 + P6 x1 x3 + P7 x22 + P8 x2 x3 + P9 x32 + P10 x13 ++ P11 x12 x 2 + + P12 x12 x3 + P13 x1 x 22 + P14 x1 x2 x3 + P15 x1 x32 + P16 x 23 + P17 x22 x3 + P18 x 2 x32 + P19 x33Ɂɞɟɫɶ x1 , x2 , x3 — ɭɩɪɚɜɥɹɸɳɢɟ ɩɟɪɟɦɟɧɧɵɟ.
Ɉɧɢ ɦɨɝɭɬ ɛɵɬɶ ɬɨɤɚɦɢ ɢɥɢ ɪɚɡɧɨɫɬɶɸ ɩɨɬɟɧɰɢɚɥɨɜ; ɨɞɧɨɜɪɟɦɟɧɧɨɟ ɭɩɪɚɜɥɟɧɢɟ ɬɨɤɨɦ ɢ ɪɚɡɧɨɫɬɶɸ ɩɨɬɟɧɰɢɚɥɨɜ ɧɟ ɞɨɩɭɫɤɚɟɬɫɹ.ȿɫɥɢ ɭɩɪɚɜɥɹɸɳɢɟ ɩɟɪɟɦɟɧɧɵɟ — ɧɚɩɪɹɠɟɧɢɹ, ɬɨ ɫɪɚɡɭ ɩɨɫɥɟ ɤɥɸɱɟɜɨɝɨ ɫɥɨɜɚ POLY,ɩɨɩɚɪɧɨ ɭɤɚɡɵɜɚɟɬɫɹ ɫɩɢɫɨɤ ɭɡɥɨɜ: <ɧɨɦɟɪ (ɢɥɢ ɨɛɨɡɧɚɱɟɧɢɟ) ɩɨɥɨɠɢɬɟɥɶɧɨɝɨ ɭɡɥɚ ɩɟɪɜɨɝɨɧɚɩɪɹɠɟɧɢɹ> <ɧɨɦɟɪ (ɢɥɢ ɨɛɨɡɧɚɱɟɧɢɟ) ɨɬɪɢɰɚɬɟɥɶɧɨɝɨ ɭɡɥɚ ɩɟɪɜɨɝɨ ɧɚɩɪɹɠɟɧɢɹ> ….ȿɫɥɢ ɭɩɪɚɜɥɹɸɳɢɟ ɩɟɪɟɦɟɧɧɵɟ — ɬɨɤɢ, ɬɨ ɩɨɫɥɟ ɤɥɸɱɟɜɨɝɨ ɫɥɨɜɚ POLY ɭɤɚɡɵɜɚɟɬɫɹɫɩɢɫɨɤ ɢɫɬɨɱɧɢɤɨɜ ɗȾɋ, ɱɟɪɟɡ ɤɨɬɨɪɵɟ ɩɪɨɬɟɤɚɸɬ ɭɩɪɚɜɥɹɸɳɢɟ ɬɨɤɢ.
ȿɫɥɢ ɬɚɤɨɜɵɯ ɜ ɫɯɟɦɟɧɟɬ, ɬɨ ɧɟɨɛɯɨɞɢɦɨ ɜɜɟɫɬɢ ɜ ɫɨɨɬɜɟɬɫɬɜɭɸɳɢɟ ɜɟɬɜɢ ɧɭɥɟɜɵɟ ɢɫɬɨɱɧɢɤɢ ɗȾɋ.ȼɫɟ ɤɨɷɮɮɢɰɢɟɧɬɵ ɩɨɥɢɧɨɦɚ ɜɜɨɞɢɬɶ ɧɟ ɨɛɹɡɚɬɟɥɶɧɨ, ɧɨ ɜɜɨɞɢɬɶ ɢɯ ɧɟɨɛɯɨɞɢɦɨ ɩɨɞɪɹɞɛɟɡ ɩɪɨɩɭɫɤɨɜ.ɉɪɢɦɟɪɵ ɡɚɞɚɧɢɹ ɢ ɚɧɚɥɢɡɚ ɡɚɜɢɫɢɦɵɯ ɥɢɧɟɣɧɵɯ ɢ ɩɨɥɢɧɨɦɢɚɥɶɧɵɯ ɢɫɬɨɱɧɢɤɨɜ ɩɪɢɜɟɞɟɧɵ ɜ ɫɯɟɦɧɵɯ ɮɚɣɥɚɯ DEPENDENT SOURCES, DEPENDENT SOURCES_POLY ɢɡ ɤɚɬɚɥɨɝɚCOMPONENTS\SOURCES_ɂɋɌɈɑɇɂɄɂ.77D:\Ɉɩɢɫɚɧɢɟ MC8\MC8_V1_2.DOC3.6.2.Ɇɣɨɠɤɨɶɠ ɮɪɫɛɝɦɺɠɧɶɠ ɣɬɭɩɲɨɣɥɣ, ɢɛɟɛɝɛɠɧɶɠ ɪɫɠɩɜɫɛɢɩɝɛɨɣɺɧɣ Ɇɛɪɦɛɬɛ(Laplace Sources) ɣ Z-ɪɫɠɩɜɫɛɢɩɝɛɨɣɺɧɣ (Z Transform Sources)Ʌɢɧɟɣɧɵɟ ɱɟɬɵɪɟɯɩɨɥɸɫɧɢɤɢ ɦɨɝɭɬ ɡɚɞɚɜɚɬɶɫɹ ɩɟɪɟɞɚɬɨɱɧɵɦɢ ɮɭɧɤɰɢɹɦɢ ɫ ɩɨɦɨɳɶɸɭɩɪɚɜɥɹɟɦɵɯ ɢɫɬɨɱɧɢɤɨɜ. ɂɦɟɧɚ ɬɚɤɢɯ ɢɫɬɨɱɧɢɤɨɜ ɧɚɱɢɧɚɸɬɫɹ ɫ ɫɢɦɜɨɥɚ L (Laplace Sources)ɢɥɢ Z (Z Transform Sources). ɉɟɪɟɞɚɬɨɱɧɵɟ ɮɭɧɤɰɢɢ ɡɚɞɚɸɬɫɹ ɫ ɩɨɦɨɳɶɸ ɮɨɪɦɭɥ — ɬɨɝɞɚ ɩɨɫɥɟ ɫɢɦɜɨɥɚ L ɭɤɚɡɵɜɚɟɬɫɹ F — ɢɥɢ ɬɚɛɥɢɱɧɨɣ ɡɚɜɢɫɢɦɨɫɬɶɸ — ɞɨɛɚɜɥɹɟɬɫɹ ɫɢɦɜɨɥ Ɍ (ɞɥɹLaplace Sources).
ɇɚɩɪɢɦɟɪ, LFVofV ɨɡɧɚɱɚɟɬ ɡɚɞɚɜɚɟɦɵɣ ɮɨɪɦɭɥɨɣ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢɢɫɬɨɱɧɢɤ ɧɚɩɪɹɠɟɧɢɹ, ɭɩɪɚɜɥɹɟɦɵɣ ɧɚɩɪɹɠɟɧɢɟɦ. ɗɬɢ ɢɫɬɨɱɧɢɤɢ ɢɫɩɨɥɶɡɭɸɬɫɹ ɧɟ ɬɨɥɶɤɨ ɩɪɢɪɚɫɱɟɬɟ ɱɚɫɬɨɬɧɵɯ ɯɚɪɚɤɬɟɪɢɫɬɢɤ, ɧɨ ɢ ɩɪɨɜɟɞɟɧɢɢ ɜɫɟɯ ɨɫɬɚɥɶɧɵɯ ɜɢɞɨɜ ɚɧɚɥɢɡɚ.Laplace SourcesɎɨɪɦɚɬ ɫɯɟɦ MC8:Ⱥɬɪɢɛɭɬ PART: <ɢɦɹ>Ⱥɬɪɢɛɭɬ LAPLACE ɞɥɹ ɢɫɬɨɱɧɢɤɨɜ LFIofl, LFIofV, LFVofV, LFVofl: <ɜɵɪɚɠɟɧɢɟ>Ⱥɬɪɢɛɭɬ FREQ ɞɥɹ ɢɫɬɨɱɧɢɤɨɜ LTIofl, LTIofV, LTVofV, LTVofl:<<ɱɚɫɬɨɬɚ>,<ɦɨɞɭɥɶ>,<ɮɚɡɚ>>*Ⱥɬɪɢɛɭɬ KEYWORD: [[DB | MAG] [DEG | RAD]] | [R_l]ȼɯɨɞɹɳɢɟ ɜ ɷɬɢ ɨɩɪɟɞɟɥɟɧɢɹ ɤɥɸɱɟɜɵɟ ɫɥɨɜɚ ɨɡɧɚɱɚɸɬ ɫɥɟɞɭɸɳɟɟ:DB — ɦɨɞɭɥɶ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɡɚɞɚɟɬɫɹ ɜ ɞɟɰɢɛɟɥɚɯ (ɩɨ ɭɦɨɥɱɚɧɢɸ);MAG — ɦɨɞɭɥɶ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɡɚɞɚɟɬɫɹ ɜ ɚɛɫɨɥɸɬɧɵɯ ɟɞɢɧɢɰɚɯ;DEG — ɮɚɡɚ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɜ ɝɪɚɞɭɫɚɯ (ɩɨ ɭɦɨɥɱɚɧɢɸ);RAD — ɮɚɡɚ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɜ ɪɚɞɢɚɧɚɯ;R_I — ɬɚɛɥɢɰɚ ɫɨɞɟɪɠɢɬ ɞɟɣɫɬɜɢɬɟɥɶɧɵɟ ɢ ɦɧɢɦɵɟ ɱɚɫɬɢ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ.Ⱦɥɹ ɢɫɬɨɱɧɢɤɨɜ ɬɢɩɚ LFIofV, LFIofl, LFVofV ɢ LFVofl ɜ ɤɚɱɟɫɬɜɟ ɩɚɪɚɦɟɬɪɚ ɡɚɞɚɟɬɫɹ ɮɨɪɦɭɥɚ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɤɨɦɩɥɟɤɫɧɨɣ ɩɟɪɟɦɟɧɧɨɣ S.
ɇɚɩɪɢɦɟɪ:1/(1+.001*S+1E-8*S*S)ɉɪɢ ɪɚɫɱɟɬɟ ɱɚɫɬɨɬɧɵɯ ɯɚɪɚɤɬɟɪɢɫɬɢɤ (ɪɟɠɢɦ Ⱥɋ) ɩɟɪɟɦɟɧɧɚɹ S ɡɚɦɟɧɹɟɬɫɹ ɧɚ 2SjF.ɉɪɢ ɪɚɫɱɟɬɟ ɪɟɠɢɦɚ ɩɨ ɩɨɫɬɨɹɧɧɨɦɭ ɬɨɤɭ (ɪɟɠɢɦ DC) ɩɨɥɚɝɚɟɬɫɹ S=0. ɉɪɢ ɪɚɫɱɟɬɟ ɩɟɪɟɯɨɞɧɵɯɩɪɨɰɟɫɫɨɜ (ɪɟɠɢɦ Transient analysis) ɨɬɵɫɤɢɜɚɟɬɫɹ ɢɦɩɭɥɶɫɧɚɹ ɩɟɪɟɯɨɞɧɚɹ ɯɚɪɚɤɬɟɪɢɫɬɢɤɚ ɱɟɬɵɪɟɯɩɨɥɸɫɧɢɤɚ ɩɭɬɟɦ ɨɛɪɚɬɧɨɝɨ ɩɪɟɨɛɪɚɡɨɜɚɧɢɹ Ɏɭɪɶɟ ɟɝɨ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ, ɡɚɬɟɦ ɩɭɬɟɦ ɫɜɟɪɬɤɢ ɢɦɩɭɥɶɫɧɨɣ ɯɚɪɚɤɬɟɪɢɫɬɢɤɢ ɫ ɜɯɨɞɧɵɦ ɫɢɝɧɚɥɨɦ ɨɬɵɫɤɢɜɚɟɬɫɹ ɜɵɯɨɞɧɨɟ ɤɨɥɟɛɚɧɢɟ.Ⱦɥɹ ɢɫɬɨɱɧɢɤɨɜ ɬɢɩɚ LTIofV, LTIofl, LTVofV ɢ LTVofl ɡɚɞɚɟɬɫɹ ɬɚɛɥɢɰɚ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ.
ɑɚɫɬɨɬɚ ɡɚɞɚɟɬɫɹ ɜ ɝɟɪɰɚɯ, ɦɨɞɭɥɶ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɜ ɞɟɰɢɛɟɥɚɯ ɢɥɢ ɚɛɫɨɥɸɬɧɵɯɟɞɢɧɢɰɚɯ, ɮɚɡɚ ɜ ɝɪɚɞɭɫɚɯ ɢɥɢ ɪɚɞɢɚɧɚɯ. ɉɪɢ ɭɤɚɡɚɧɢɢ ɤɥɸɱɟɜɨɝɨ ɫɥɨɜɚ R_I ɜɦɟɫɬɨ ɦɨɞɭɥɹ ɢ78Ɇ.Ⱥ. Ⱥɦɟɥɢɧɚ03.03.2006ɫɬɪ. 79 ɢɡ 135ɮɚɡɵ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɡɚɞɚɸɬɫɹ ɡɧɚɱɟɧɢɹ ɟɟ ɞɟɣɫɬɜɢɬɟɥɶɧɨɣ ɢ ɦɧɢɦɨɣ ɱɚɫɬɢ. Ɂɧɚɱɟɧɢɹɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɭɤɚɡɵɜɚɸɬɫɹ ɜ ɩɨɪɹɞɤɟ ɜɨɡɪɚɫɬɚɧɢɹ ɱɚɫɬɨɬɵ. Ⱦɥɹ ɪɚɫɱɟɬɚ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɦɟɠɞɭ ɨɩɨɪɧɵɦɢ ɬɨɱɤɚɦɢ ɩɪɢɦɟɧɹɟɬɫɹ ɥɢɧɟɣɧɚɹ ɢɧɬɟɪɩɨɥɹɰɢɹ ɜ ɥɨɝɚɪɢɮɦɢɱɟɫɤɨɦ ɦɚɫɲɬɚɛɟ. Ɂɧɚɱɟɧɢɹ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɢ ɜɧɟ ɡɚɞɚɧɧɨɝɨ ɞɢɚɩɚɡɨɧɚ ɱɚɫɬɨɬ ɩɨɥɚɝɚɸɬɫɹɪɚɜɧɵɦɢ ɢɯ ɡɧɚɱɟɧɢɹɦ ɜ ɤɪɚɣɧɢɯ ɬɨɱɤɚɯ.ɉɪɢɦɟɪɵ ɢɫɩɨɥɶɡɨɜɚɧɢɹ ɥɚɩɥɚɫɨɜɵɯ ɡɚɜɢɫɢɦɵɯ ɢɫɬɨɱɧɢɤɨɜ ɫɦ. ɜ ɫɯɟɦɧɵɯ ɮɚɣɥɚɯ:LAPLACESOURCE_01,LAPLACESOURCE_05ɢɡɤɚɬɚɥɨɝɚCOMPONENTS\SOURCES_ɂɋɌɈɑɇɂɄɂ.Z Transform SourcesɎɨɪɦɚɬ ɫɯɟɦ MC8:Ⱥɬɪɢɛɭɬ PART: <ɢɦɹ>Ⱥɬɪɢɛɭɬ ZEXP: <ɜɵɪɚɠɟɧɢɟ ɞɥɹ z-ɩɪɟɨ6ɪɚɡɨɜɚɧɢɹ>Ⱥɬɪɢɛɭɬ CLOCK FREQUENCY: <ɱɚɫɬɨɬɚ ɞɢɫɤɪɟɬɢɡɚɰɢɢ ɞɥɹ z-ɩɪɟɨɛɪɚɡɨɜɚɧɢɹ>Ɋɢɫ.
3.20. Ɂɚɞɚɧɢɟ ɢɫɬɨɱɧɢɤɚ Z-TRANSFORMɇɚɩɪɢɦɟɪ, ɰɢɮɪɨɜɨɣ ɮɢɥɶɬɪ ɫ ɩɟɪɟɞɚɬɨɱɧɨɣ ɮɭɧɤɰɢɟɣH ( z) =0.10285 ⋅ ( z + 1) ⋅ ( z 2 − 0.070621 ⋅ z + 1)( z − 0.55889) ⋅ ( z 2 − 1.1579 ⋅ z + 0.76494)ɡɚɞɚɟɬɫɹ ɫ ɩɨɦɨɳɶɸ ɭɩɪɚɜɥɹɟɦɨɝɨ ɢɫɬɨɱɧɢɤɚ ȿ1. ɉɪɢ ɫɯɟɦɧɨɦ ɜɜɨɞɟ ɚɬɪɢɛɭɬɭ ZEXP ɩɪɢɫɜɚɢɜɚɟɬɫɹ ɡɧɚɱɟɧɢɟ ɜ ɜɢɞɟ ɩɟɪɟɦɟɧɧɨɣ ZFILTER, ɤɨɬɨɪɚɹ ɜ ɫɜɨɸ ɨɱɟɪɟɞɶ ɨɩɪɟɞɟɥɹɟɬɫɹ ɫ ɩɨɦɨɳɶɸ ɞɢɪɟɤɬɢɜɵ .DEFINE:79D:\Ɉɩɢɫɚɧɢɟ MC8\MC8_V1_2.DOC.DEFINE ZFILTER .10285*(Z+1)*(Z* Z-.070621*Z+1)/((Z-.55889)*(Z* Z-1.1579*Z+.76494))ɑɚɫɬɨɬɚ ɞɢɫɤɪɟɬɢɡɚɰɢɢ 24 ɤȽɰ ɡɚɞɚɟɬɫɹ ɫ ɩɨɦɨɳɶɸ ɚɬɪɢɛɭɬɚ CLOCK FREQUENCY=24k.ɉɪɢɦɟɪɵ ɦɨɞɟɥɢɪɨɜɚɧɢɹ ɰɢɮɪɨɜɵɯ ɮɢɥɶɬɪɨɜ ɩɪɢɜɟɞɟɧɵ ɜ ɫɯɟɦɧɵɯ ɮɚɣɥɚɯZ-TRANSFORM SOURCE_01… Z-TRANSFORM SOURCE_04 ɢɡ ɤɚɬɚɥɨɝɚ COMPONENTS\SOURCES_ɂɋɌɈɑɇɂɄɂ.3.6.3.ɏɮɨɥɱɣɩɨɛɦɷɨɶɠ ɣɬɭɩɲɨɣɥɣ ɬɣɞɨɛɦɩɝ (Function Sources)ɍɩɪɚɜɥɹɟɦɵɟ ɢɫɬɨɱɧɢɤɢ Function sources, ɢɦɟɧɚ ɤɨɬɨɪɵɯ ɧɚɱɢɧɚɸɬɫɹ ɫ N, ɡɚɞɚɸɬɫɹ ɮɭɧɤɰɢɨɧɚɥɶɧɵɦɢ ɡɚɜɢɫɢɦɨɫɬɹɦɢ ɜɨ ɜɪɟɦɟɧɧɨɣ ɨɛɥɚɫɬɢ.Ɏɨɪɦɚɬ ɫɯɟɦ MC8:Ⱥɬɪɢɛɭɬ PART: <ɢɦɹ>Ⱥɬɪɢɛɭɬ VALUE ɞɥɹ ɢɫɬɨɱɧɢɤɨɜ NFV ɢ NFI: <ɮɨɪɦɭɥɚ>Ⱥɬɪɢɛɭɬ TABLE ɞɥɹ ɢɫɬɨɱɧɢɤɨɜ NTIofl, NTIofV, NTVofV, NTVofl: (<x2>,<y2>) ...
(<xk>,<yk>)ɇɟɥɢɧɟɣɧɵɟ ɡɚɜɢɫɢɦɵɟ ɢɫɬɨɱɧɢɤɢ ɧɚɩɪɹɠɟɧɢɹ NFV ɢ ɬɨɤɚ NFI ɨɩɢɫɵɜɚɸɬɫɹ ɩɪɨɢɡɜɨɥɶɧɨɣ ɮɭɧɤɰɢɨɧɚɥɶɧɨɣ ɡɚɜɢɫɢɦɨɫɬɶɸ ɨɬ ɧɚɩɪɹɠɟɧɢɣ ɢ ɬɨɤɨɜ ɫɯɟɦɵ, ɧɚɩɪɢɦɟɪ:10*Sin(2*PI*1E6*T)*V(3)*l(L1)*EXP(-V(IN)/100ns)K*POW((V(Plate)-V(Cathode)+Mu*(V(Grid) – V(Cathode))),1.5)Ɂɚɜɢɫɢɦɵɟ ɢɫɬɨɱɧɢɤɢ NTVofl, NTIofl, NTIofV ɢ NTVofV ɡɚɞɚɸɬɫɹ ɬɚɛɥɢɰɟɣ ɡɚɜɢɫɢɦɨɫɬɟɣɡɧɚɱɟɧɢɣ ɜɵɯɨɞɧɨɝɨ ɫɢɝɧɚɥɚ Yk ɨɬ ɡɧɚɱɟɧɢɣ ɜɯɨɞɧɨɝɨ ɫɢɝɧɚɥɚ Xk.
