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m W ˜ 2S ˜ G ˜ R ˜ k ,

70-ɫɭɪɟɬ

Ȼԝɞɚɧ:

W m. (6.1)
2S ˜ R 2 ˜ G
R – ɰɢɥɢɧɞɪɞɿԙ ɪɚɞɢɭɫɵ;
į – ɰɢɥɢɧɞɪɞɿԙ ԕɚɛɵɪԑɚɫɵɧɵԙ ԕɚɥɵԙɞɵԑɵ.

§2. Ɍɚɡɚ ɵɫɵɪɵɥɭɞɚԑɵ ɤɟɪɧɟɭɥɟɪ. ɋɟɪɩɿɦɞɿɥɿɤ ɦɨɞɭɥɿɧɿԙ ɟɤɿɧɲɿ ɬԛɪɿ
Ⱦɟɮɨɪɦɚɰɢɹɥɚɧɛɚԑɚɧ ɩɥɚɫɬɢɧɚԑɚ Ⱥȼɋ ɬɿɤ ɛԝɪɵɲɵɧ ɫɚɥɚɣɵԕ (71 ɚ-ɫɭɪɟɬ).
ȿɧɞɿ ɩɥɚɫɬɢɧɚ ɞɟɮɨɪɦɚɰɢɹɥɚɧɞɵ ɞɟɣɿɤ.
Ȼԝɥ ɤɟɡɞɟ Ⱥȼɋ ɬɿɤ ɛԝɪɵɲɵ ԧɡɝɟɪiɩ, ɨɧɵԙ Ⱥȼ ɠԥɧɟ ȼɋ ԕɚɛɵɪԑɚɥɚɪɵ
ɠɚɡɵԕɬɵԕɬɚ ɛɟɥɝɿɥɿ ɛɿɪ ɛԝɪɵɲɬɚɪԑɚ ɛԝɪɵɥɚɞɵ. Ɉɫɵ ɬɿɤ ɛԝɪɵɲɬɵԙ ԧɡɝɟɪɭɿɧ

J ԥɪɩiɦɟɧ ɛɟɥɝɿɥɟɩ, ɨɧɵԙ ɧɟɝɟ ɬɟԙ ɟɤɟɧɿɧ ɬɚɛɚɣɵԕ.

Ɉɥ ԛɲiɧ Ⱥȼ ԕɚɛɵɪԑɚɫɵɧɵԙ ɛԝɪɵɥɭ ɛԝɪɵɲɵɧ (ȦĮ) ɬɚɩɫɚԕ ɛɨɥԑɚɧɵ, ɚɥ ȼɋ

ԕɚɛɵɪԑɚɫɵɧɵԙ ɛԝɪɵɥɭ ɛԝɪɵɲɵɧ D -ɧɵԙ ɨɪɧɵɧɚ D +90° ɛԝɪɵɲɵɧ ԕɨɸ

ɚɪԕɵɥɵ ɨԙɚɣ ɬɚɛɭԑɚ ɛɨɥɚɞɵ.
Ɇɵɫɚɥɵ, Ⱥ ɧԛɤɬɟɫɿ Ⱥ1 ɧԛɤɬɟɫɿɧɟ ɠɵɥɠɵɞɵ ɞɟɣɿɤ (71 Ω-ɫɭɪɟɬ).

71-ɫɭɪɟɬ
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