D:.BUN 7 8 4 B5 6.................................... 6.. C........................... 6..3 ω s............................. 63..4 Bode Diagram.......................... 64..5................................ 65..6 db................................. 66..7 C........................... 67..8 ω s............................. 69..9................................ 7.. L........................... 73.. ω s............................. 75.. Bode Diagram.......................... 77..3................................ 77..4 L........................... 79..5 ω s............................. 8..6 Bode Diagram.......................... 83..7................................ 83..8.................................. 85.
. ż ż 57 a v i ż ż v o b a ż v i ż v i ż v o ż v o a b 57. v i ż ż v o v o = Ġ v i (86) = ż ż + ż v i (87) v o v i Ġ = ż ż + ż (88) v i v o?? Ġ 6
. C 58 C v i C v o 58. C Ġ ż = ż = iωc?? iy Ġ = iωc + iωc = iωc + ωc x 59. ωc + iωc + = + ω C e i = tan (ωc) Ġ Ġ = + ω C e i Ġ = + ω C e i (89) 6
= tan (ωc) (9) Ġ Ġ?? Ġ e i (9) + ω C = tan (ωc) (9) e i.3 ω s ω ω s ωc (93)?? + ω s (94) = tan (ω s ) ω s C ω s ω s C Ġ / 63
ω s. =..7 ω s log.5 log ω s log db 3 log ω s 45 9 8. ω s.4 Bode Diagram (Bode Diagram) 7 5 45 9 5 5 ω s 6. C 64
.5 6 ω s = = (95) ω s ω s.7 45 C C ω c f c ω s = ωc = ω c = C f c = πc (96) 8 ω s = 7 ω = / C =. =..77.7 3 db 6 ω s > ω s 6 db/oct db/decdec=decade / / 65
.6 db A xdb= log A (97).7 log.7= 3dB A... x db 6 4 4 6 A.5.7 x db 6 3 3 6 E XB= log E B Bell db / xdb= log (98)???? = E = A log E = log A 66
.7 C 6 C C iy v i v o ωc x ż 6. C 6. + iωc Ġ C ż C = iωc ż = Ġ = ż ż C + ż = iωc + 6 iωc + = + e i ω C ( = + e i = tan ) ω C ωc Ġ Ġ = + ω C e i Ġ = e i (99) + ω C 67
( ) = tan ωc () Ġ?? Ġ e i () + ω C = tan ( ωc ) () e i y = tan = tan y tan tan tan y= tan y π/ y π/ y π/ π/ = tan y y = tan 68
.8 ω s ω ω s ωc + ωs = tan ( ω s ) (3) ω s = ωc ω s ωc C ω s ω s C Ġ ω ω s 45 9 9. ω s 69
log = log = log + ωs ( ω s + ω s = log ( + ω s ) ) = {log (ωs + ) log ωs } ω s {log (ωs + ) log ωs } =.. {log () log ωs } = log ωs ω s log ωs ω s log ω s = log = log = log =.3=.55 ω s = log ω s ω s. =..7 log log ω s.5 log db log ω s 3. log log 7
Bode Diagram (Bode Diagram) 7 5 9 45 5 5 ω s 63. C.9 63 ω s = = (4) 7
ω s ω s.7 45 C C ω c f c ω s = ωc = ω c = C f c = πc (5)?? ω s =?? ω = / C =. =..77.7 3 db 63 ω s > ω s 6 db/oct db/decdec=decade / / 7
. L LLO L L iy v i v o ωl x 64. L 65. + iωl Ġ L ż L = iωl ż = Ġ = ż ż L + ż = iωl + (6) 65 iωl + = + ω L ( ωl e i = tan ) Ġ Ġ = + ω L e i = + ω L e i = + ω L e i 73
Ġ = + ω L e i (7) ) ( ωl = tan Ġ?? Ġ e i (8) + ω L = tan ( ωl ) (9) e i y = tan = tan y tan tan tan y= tan y π/ y π/ y π/ π/ = tan y y = tan 74
. ω s ωl ω s ω s L ω ()?? + ω s () = tan ω s ω s L/ ω L ω s ω s Ġ ω s ω s 45 9. ω s?? 75
( ) log = log = log + ω ( + ωs ) s = log ( + ω s ) ω s ω s = ω s = ω s ω s. =..7 log log ω s.5 log db log ω s 3. log log 76
. Bode Diagram?? (Bode Diagram) 7 5 45 9 5 5 ω s 66. L.3 66 77
ω s = = () ω s ω s.7 45 L ω s = ω = L L ω c f c ω s =L/ ω = ω c = L f c = πl (3)?? ω s =?? ω = /L =. =..77.7 3 db 66 ω s > ω s 78
6 db/oct db/decdec=decade / / 79
.4 L 67 L v i L v o iy ωl ż x 67. L 68. i ωl Ġ L ż = ż L = iωl Ġ = ż L + ż L = iωl + iωl = = iωl + i ωl 68 i ωl = + ω L ( e i = tan ) ωl Ġ Ġ = + ω L e i 8
Ġ = + ω L e i (4) = tan ( ωl ) (5) Ġ?? Ġ e i (6) + ω L = tan ( ωl ) (7) e i y = tan = tan y tan tan tan y= tan y π/ y π/ y π/ π/ = tan y y = tan 8
.5 ω s ωl ω s ω s L ω + ωs = tan ( ω s ) (8) ω s = L ω ω s L/ ω L ω s ω s Ġ ω s ω s 45 9 3. ω s 8
log = log = log + ωs ( ω s + ω s = log ( + ω s ) ) = {log (ωs + ) log ωs } ω s {log (ωs + ) log ωs } =.. {log () log ωs } = log ωs ω s log ωs ω s log ω s = log = log = log =.3=.55 ω s = log ω s ω s. =..7 log log ω s.5 log db log ω s 3 4. log log 83
.6 Bode Diagram (Bode Diagram) 7 5 9 45 5 5 ω s 69. L.7 69 84
ω s = = (9) ω s ω s.7 45 L L ω c f c ω s =L/ ω = ω c = L f c = πl ()?? ω s =?? ω = /L =. =..77.7 3 db 69 ω s < ω s / 6 db/oct oct=octave / db/decdec=decade 85
.8 3 86