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Analog-Precision Board

Products by Analog-Precision => Ultimate-Preamplifier by Analog-Precision => Performance and Measurements => Topic started by: Tranquility Bass on March 08, 2021, 11:43:41 PM

Title: DAC Filter Step Response
Post by: Tranquility Bass on March 08, 2021, 11:43:41 PM
Test Methodology:

In this test we excite the DAC with a 1KHz square wave at -3dBFS and observe the step response on a scope for each of the seven different reconstruction filters available in the DAC settings menu.

Test Results:


Conclusion:

Title: 1: Fast roll-off, linear phase filter
Post by: Tranquility Bass on March 08, 2021, 11:45:12 PM
Filter-1.png

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Title: 2: Slow roll-off, linear phase filter
Post by: Tranquility Bass on March 08, 2021, 11:46:08 PM
Filter-2.png

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Title: 3: Fast roll-off, minimum phase filter
Post by: Tranquility Bass on March 08, 2021, 11:46:36 PM
Filter-3.png

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Title: 4: Slow roll-off, minimum phase filter
Post by: Tranquility Bass on March 08, 2021, 11:47:04 PM
Filter-4.png

P1050164.JPG
Title: 5: Apodizing, fast roll-off, linear phase filter
Post by: Tranquility Bass on March 08, 2021, 11:47:34 PM
Filter-5.png

P1050165.JPG

Title: 6: Hybrid, fast roll-off, minimum phase filter
Post by: Tranquility Bass on March 08, 2021, 11:47:53 PM
Filter-6.png

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Title: 7: Brickwall filter
Post by: Tranquility Bass on March 08, 2021, 11:48:11 PM
Filter-7.png

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