worksheet applications of the first order filter.doc

worksheet applications of the first order filter.doc

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First Order Filter By Sandra Haidar Christophe Hoyek Presented to Mr. Nassif Daoud A worksheet for the Circuit Lab ELEN 303 Faculty of Engineering University of Balamand 29-3-2016
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I - Prelab: 1- Filter Circuit Analysis: V + = V - = 0 (V - - Vin ) / 1 + (V - - Vout ) / (4.7k // 0.01uF) = 0 -Vin = Vout / (4.7k // 0.01uF)
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2- Filter Design: High Pass Filter Gain=G= -R 2 /R 1 & ω c = 2πf c = 1/R 1 C & C= 0.01μF For G= -1.5 and f c = Hz. Then ω c = rad/s ω c = 1/(R 1 *C) R 1 = Therefore G=-R 2 / R 1 = -1.5 R 2 =
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II - Procedure: 1- Low Pass Filter:
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Frequency Vin Vout Gain=Vout/Vin 10Hz 20Hz 50Hz 100Hz 200Hz 500Hz 1kHz 2kHz fc= 5kHz 10kHz 20kHz 50kHz 100kHz 200kHz 500kHz 1000kHz Cut off Frequency measured: ( at 3dB of the gain ) Vout/Vin = 0.707G Vin= 2Vpp Vout= 1.414G G 0.707*G= G 1 Vout ( G 1 ) Frequency f c f c Calculated cut off frequency: fc = 1/2πRC f c = 1/2*π*4.7k*0.01μ= 3386.2 Hz = 3.3862kHz
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2- High Pass Filter: Frequency Vin Vout Gain=Vout/Vin 10Hz 20Hz 50Hz 100Hz 200Hz
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  • Winter '19
  • jihad daba
  • High-pass filter, Band-pass filter, Low-pass filter, percentage error

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