Page 56 - index

ɤɟɡɟɝɿɧɞɟ, ɠɚɡɵԕɬɵԕ ɞԧԙɝɟɥɟɤɤɟ ɬɚɪɚɥԑɚɧ ɤԛɲɩɟɧ ԥɫɟɪ ɟɬɟɞɿ. Ȼԝɥ ɤԛɲ
ɠɚɡɵΙɬɵΙɬɵΝ bɋa ɞɨԑɚɫɵ ɛɨɣɵɦɟɧ ɫɢɦɦɟɬɪɢɹɥɵ ɬԛɪɞɟ ɬɚɪɚɥɵɩ ɠɚɬɚɞɵ
ɠԥɧɟ ɨɧɵԙ ɬɟԙ ԥɫɟɪ ɟɬɭɲɿ ɤԛɲɿ N ɠɚɡɵԕɬɵԕɬɵԙ ɪɟɚɤɰɢɹɫɵ ɛɨɥɵɩ
ɬɚɛɵɥɚɞɵ. Ⱦԧԙɝɟɥɟɤɬɿԙ ɫɚɥɦɚԑɵ Q ɦɟɧ ɠɚɡɵԕɬɵԕɬɵԙ ɪɟɚɤɰɢɹɫɵ N ԧɡɚɪɚ

ɬɟԙɟɫɬɿɪɿɥɿɩ ɬԝɪɚɞɵ.
Ⱦԧԙɝɟɥɟɤɬɿԙ ɰɟɧɬɪɿɧɟ ɤԧɥɞɟɧɟԙ ɛɚԑɵɬɬɚɥԑɚɧ Ɋ ɤԛɲɿɦɟɧ ԥɫɟɪ ɟɬɟɣɿɤ (54

ɚ-ɫɭɪɟɬ).

54-ɫɭɪɟɬ

ȿɧɞɿ ɬɚɪɚɥԑɚɧ ɤԛɲ ɫɢɦɦɟɬɪɢɹɥɵ ɛɨɥɦɚɣɞɵ, ɨɥ ba ɞɨԑɚɫɵɦɟɧ ɬɚɪɚɥɵɩ, Ɋ
ɤԛɲɿɧɿԙ ԥɫɟɪ ɟɬɿɩ ɬԝɪԑɚɧ ɠɚԑɵɧɚ ԕɚɪɚɣ ɠɵɥɠɢɞɵ (54ɚ-ɫɭɪɟɬ). ɋɨɧɞɵԕɬɚɧ
ɬɚɪɚɥԑɚɧ ɤԛɲɬɟɧ ɬɭɵɧɞɚɣɬɵɧ ɪɟɚɤɰɢɹɧɵ ɋ ɧԛɤɬɟɫɿɧɟ ɚɥɵɩ ɤɟɥɿɩ, ɨɧɵ ԛɲ
ԕԝɪɚɭɲɵԑɚ ɠɿɤɬɟɣɦɿɡ. Ɉɥɚɪ: ɛɚɫ ɜɟɤɬɨɪɞɵԙ ԕԝɪɚɭɲɵɥɚɪɵ – N , F ɠԥɧɟ ɛɚɫ

ɦɨɦɟɧɬ – Ɇ ɬ .

Ʉԧɥɞɟɧɟԙ ɛɚԑɵɬɬɚԑɵ F ɤԛɲɿ ɦɨɞɭɥɿ ɛɨɣɵɧɲɚ Ɋ ɤԛɲɿɧɟ ɬɟԙ
ɛɨɥԑɚɧɞɵԕɬɚɧ, ɨɥɚɪ ɠԝɩ ԕԝɪɚɣɞɵ ɞɚ, ɞԧԙɝɟɥɟɤɬɿ ɞɨɦɚɥɚɬɚ ɛɚɫɬɚɣɞɵ,

ɫɨɧɵɦɟɧ ԕɚɬɚɪ ɛԝɥ ɠԝɩɬɵԙ ɦɨɦɟɧɬɿ ɟɤɿɧɲɿ ɠԝɩɬɵԙ Ɇ ɬ ɦɨɦɟɧɬɿɦɟɧ

ɬɟԙɟɫɬɿɪɿɥɟɞɿ. Ⱦɟɧɟɧɿԙ ɬɵɧɵɲɬɵԕ ɤԛɣɿɧɟɧ ɞɨɦɚɥɭ ɤԛɣɝɟ ɤԧɲɤɟɧ ɫԥɬɬɟ Ɇ ɬ

ɦɨɦɟɧɬɿɧɿԙ ɲɚɦɚɫɵ, ɹԑɧɢ ɨɧɵԙ ɲɟɤɬɿɤ ɲɚɦɚɫɵ ɬɿɤ ɪɟɚɤɰɢɹɧɵԙ ɲɚɦɚɫɵɧɚ
ɩɪɨɩɨɪɰɢɨɧɚɥ ɛɨɥɚɬɵɧɵɧ ɷɤɫɩɟɪɢɦɟɧɬɬɟɪ ɤԧɪɫɟɬɟɞɿ. Ⱦɟɦɟɤ,

Ɇɬ G ˜N . (24)

Ⱦɨɦɚɥɚɩ ԕɨɡԑɚɥԑɚɧ ɞɟɧɟɧɿԙ ɦɚɬɟɪɢɚɥɵɧɚ, ɬɿɪɟɤ ɠɚɡɵԕɬɵԑɵɧɚ, ԧԙɞɟɥɭ
ɞɟԙɝɟɣɿɧɟ ɬԥɭɟɥɞɿ ɤɨɷɮɮɢɰɢɟɧɬ: G - ɞɨɦɚɥɚɭ ΟɣɤɟɥɿɫɿɧɿΝ ɤɨɷɮɮɢɰɢɟɧɬɿ ɞɟɩ

ɚɬɚɥɚɞɵ, ԧɥɲɟɦɿ ɦɦ ɧɟɦɟɫɟ ɫɦ .

Ⱦɟɧɟɧɿԙ ɞɨɦɚɥɚɩ ԕɨɡԑɚɥɵɫɵɧɵԙ ɦԥɫɟɥɟɥɟɪɿɧ ԕɚɪɚɫɬɵɪԑɚɧ ɤɟɡɞɟ, ԥɞɟɬɬɟ,

ɞɟɧɟ ɞɨɦɚɥɚɣɬɵɧ ɠɚɡɵԕɬɵԕ ɚɛɫɨɥɸɬ ԕɚɬɬɵ ɠԥɧɟ ɞɟɧɟ ɠɚɡɵԕɬɵԕɩɟɧ ɛɿɪ
ɧԛɤɬɟɞɟ ԑɚɧɚ ɠɚɧɚɫɚɞɵ ɞɟɩ ɟɫɟɩɬɟɥɟɞɿ (54 Ω-ɫɭɪɟɬ).
54 ɚ-ɫɭɪɟɬɬɿ ԕɚɪɚɫɬɵɪɵɩ, ɞԧԙɝɟɥɟɤɬɿԙ ɬɟɩɟ-ɬɟԙɞɿɝɿɧ ԕԝɪɚɣɵԕ:

¦ F ix 0 Ÿ P F 0 ,

¦ F iy 0 Ÿ N Q 0 ,

¦ M C (F i ) 0 Ÿ P ˜ R Mү