WORK OUT THE FOLLOWING: a)Tuned frequency b)Impedance at tuned frequency c)Half-width of filter 220pF100µH R=0.05 

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Presentation transcript:

WORK OUT THE FOLLOWING: a)Tuned frequency b)Impedance at tuned frequency c)Half-width of filter 220pF100µH R=0.05 

WORK OUT THE FOLLOWING: a)Tuned frequency b)Impedance at tuned frequency c)Half-width of filter 220pF100µH R=0.5  fo = 1/ 2   (LC) fo = 1 / 2 x 3.14 x  (100 x10 -6 x 220 x ) fo = 1 / 6.28 x  (22 x ) fo = 1 / 6.28 x x10 -9 fo = 1 / x10 -9 fo = 1.07 x10 6 Hz or 1.07 MHz

WORK OUT THE FOLLOWING: a)Tuned frequency b)Impedance at tuned frequency c)Half-width of filter 220pF100µH R=0.5  fo = 1.07 MHz Zo = L / RC Zo = 100 x10 -6 / (0.5 x 220 x ) Zo = 100 x10 -6 / 110 x Zo = 909 x10 3  or 909K 

WORK OUT THE FOLLOWING: a)Tuned frequency b)Impedance at tuned frequency c)Half-width of filter 220pF100µH R=0.5  fo = 1.07 MHz Zo = 909K   f = R / 2  L  f = 0.5 / (2 x 3.14 x 100 x10 -6 )  f = 0.5 / 628 x10 -6 )  f = 796 Hz

WORK OUT THE FOLLOWING: a)Tuned frequency b)Impedance at tuned frequency c)Half-width of filter 220pF100µH R=0.5  fo = 1.07 MHz Zo = 909K   f = 796 Hz