- 16


R7=R8=R =4 = =arctg[2wRC/(l w2R22) ].

. 15.32

. 15.33

, 4 R7 R8. . 15 34, R7=R8.

6. ,

. (. 15.35, ) . R1 1 . 35 . 40 . . 15.35, .

. 15.34

. (. 15.36, .) ­ 200 . . R1, 1, R3, 2. . 15.36, , .

. 15.35

. (. 15.37, ) - 30 . ­- . 15.37, .

. (. 1538, ) , ­ . R2 R3 . ­ : 1 R2=100 , R3= = 10 , f=14 ; 2 R2=100 , R3=100 , f = 8 ; 3 R2=10 , R3=10 , Af = 2,5 . . 15.38,6.