Modul 8 : Filter aktif

Modul 8 : Filter aktifKomang Surya 11060661831. Filter Sallen and key dengan respon Butterworth orde kedua

Bode plot filter sallen and key

VinVoutHzGain59.20048.00090.9000.810859.20047.200447.400,00.797359.20047.200777.6000.797357.60046.4001.859.0000.805657.60046.4002.041.0000.805657.60041.6004.900.0000.722256.00037.6007.512.0000.671454.40035.2008.620.0000.647154.40029.60013.300.0000.544152.80018.40027.580.0000.348552.80010.40060.060.0000.19702. multiple feedback filter

Bode plot multiple feedback filter

HzVin (Vpp)Vout (Vpp)Gain20 log Gain1004.840.6160.127273-17.9052932004.81.140.2375-12.4867283004.841.620.334711-9.50660694004.82.080.433333-7.2635585004.842.460.508264-5.87820516004.842.780.57438-4.81601137004.83.10.645833-3.79759098004.83.120.65-3.74173299004.843.180.657025-3.64836489504.843.040.628099-4.039435610004.842.960.61157-4.27107320004.842.10.433884-7.252521325004.841.740.359504-8.885922330004.81.50.3125-10.10340004.81.220.254167-11.89762850004.81.040.216667-13.28415860004.80.8960.186667-14.57866570004.840.8320.171901-15.29444180004.80.760.158333-16.00855390004.840.720.14876-16.550257100004.80.720.15-16.478175Unity gain state variable

HzVinVoutGain20 log Gain90,002,880,010,00-51,13100,002,880,010,00-51,13200,002,880,080,03-31,13300,002,880,180,06-24,08400,002,880,280,10-20,24500,002,880,420,15-16,72600,002,880,560,19-14,22700,002,880,760,26-11,57800,002,881,060,37-8,68900,002,881,460,51-5,901000,002,881,980,69-3,2510000,002,862,941,030,2420000,002,842,881,010,1230000,002,842,861,010,0640000,002,862,861,000,0050000,002,862,861,000,0060000,002,862,800,98-0,1870000,002,862,800,98-0,1880000,002,862,780,97-0,2590000,002,862,740,96-0,37100000,002,922,680,92-0,74110000,002,922,580,88-1,08120000,002,942,480,84-1,48130000,002,942,360,80-1,91

State variable, variable gain

F1= 900 HzF2 = 920 HzAp = 20R1=R2=R3=R5=Rf=Ra= 1kohmC = 0.175 teteapi kita hanya bisa mendapatkan c = 0.145 uF R4 = Rf/ G = 2.27 k ohmRB= RA/ q = 21.97 ohm