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[SOLVED] problems in designing ota based notch filter

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ROSSI69

ROSSI69

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i want to design an ota based notch filter that is going to remove the 50 hz noise i have designed something but its not working can you please point out the mistake it would be very helpful the gm of my ota is 314.6u
Screenshot 2024-05-26 110141.png
Screenshot 2024-05-26 111051.png
photo_2024-05-26_11-07-21.jpg
 

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FvM
Did you determine OTA common mode range? As far as I see, input source DC offset 0 is outside common mode range.

Center frequency seems to be off by factor of 10.
--- Updated ---

icmr max is 1.6v and Icmr min is 0.8v can you please tell me what i need to do
Click to expand...
Add DC offset of 1.2V to V3. Check X1 and X2 Vout.
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Did you determine OTA common mode range? As far as I see, input source DC offset 0 is outside common mode range.

Center frequency seems to be off by factor of 10.
--- Updated ---

icmr max is 1.6v and Icmr min is 0.8v can you please tell me what i need to do
Click to expand...
Add DC offset of 1.2V to V3. Check X1 and X2 Vout.
 
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