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() , . ( . 2), . . [1][2] ] , , . , , , . 3. RS-. , . , . . . 14. , : . , ; . , . , () ( ) . 13. - [6]. +U - . , p-n-p. R2 = R3 = R, C1 = C2 = C "" "-" 1.4 R C, ( ) 0.5 ( ). R1, R4 ( - ). "" "-" . , R2: R3 C1: C2.
: 2016-11-12; !; : 772 | : : , . |