... | @@ -28,9 +28,10 @@ filter: |
... | @@ -28,9 +28,10 @@ filter: |
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![](/uploads/34ac4da4a98a9087e2a919296c504a1c/filter_schematic.jpg)
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![](/uploads/34ac4da4a98a9087e2a919296c504a1c/filter_schematic.jpg)
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Simulated frequency response:
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Simulated frequency
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response:
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https://www.ohwr.org/project/fmc-adc-100m14b4cha/uploads/c17e05408f3fc2465a5cec4c32618018/filter_frequency_response.jpg
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![](/uploads/c17e05408f3fc2465a5cec4c32618018/filter_frequency_response.jpg)
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Photo of the
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Photo of the
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filter:
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filter:
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... | @@ -54,6 +55,7 @@ SUCCESS\!\!\! FFT of the filtred signal indicates the second harmonics |
... | @@ -54,6 +55,7 @@ SUCCESS\!\!\! FFT of the filtred signal indicates the second harmonics |
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level of -90 dB and third harmonics of -80 dB. I don't have to add, that
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level of -90 dB and third harmonics of -80 dB. I don't have to add, that
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these values are much closer to our
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these values are much closer to our
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estimations.
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estimations.
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![](/uploads/a52614e977c3f6023551f99645724c06/sine_filter.jpg)
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![](/uploads/a52614e977c3f6023551f99645724c06/sine_filter.jpg)
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