Lecture 17 Op Amp Filters Low Pass and High Pass

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Presentation transcript:

Lecture 17 Op Amp Filters Low Pass and High Pass E E 2415 Lecture 17 Op Amp Filters Low Pass and High Pass

1st Order Low Pass Filter (1/5) Half-Power Frequency

1st Order Low Pass Filter (2/5)

1st Order Low Pass Filter (3/5) No Zeroes; 1 pole at wo Gain in decibels If Rf = 50 kW and Rg = 5 kW

1st Order Low Pass Filter (4/5)

1st Order Low Pass Filter (5/5)

1st Order High Pass Filter (1/5) Half-Power Frequency:

1st Order High Pass Filter (2/5)

1st Order High Pass Filter (3/5) Zero at Origin, pole at wo Gain in decibels Phase shift If Rf = 50 kW and Rg = 5 kW

1st Order High Pass Filter (4/5)

1st Order High Pass Filter (5/5)