About the QA40x category
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1
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640
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August 9, 2023
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QA402/403 I2S expansion specifications
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5
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577
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October 6, 2025
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Calculating Noise Floor from Export Frequency Series
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10
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144
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September 24, 2025
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QA403 additional input protection
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4
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162
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September 22, 2025
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QA403 REST API and attenuator setting
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1
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49
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September 18, 2025
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Amp Dynamics Automated Automated Test Bug?
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4
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66
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September 15, 2025
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Considering a Purchase, Have Newbie Questions
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2
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84
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September 13, 2025
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QA-403 Distortion Tile
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1
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68
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September 11, 2025
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QA-403 power readings off by 6db
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26
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365
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September 9, 2025
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Measure power amplifier at the output?
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11
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269
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September 6, 2025
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Question about measurement results of "Getting Started"
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3
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97
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September 2, 2025
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QA40x Feature request
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57
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2008
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September 1, 2025
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Menu cropped and offline graph tool accessibility
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1
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37
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September 1, 2025
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Making the REST API visible to other computers on the network
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5
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68
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August 28, 2025
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I2S bug QA403 after triggering PUT /Settings/Default
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3
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102
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August 25, 2025
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BUG: sample rate and input scale
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3
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125
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August 14, 2025
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Crosstalk Problem?
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11
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192
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August 14, 2025
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High frequency generator resolution
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6
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149
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August 13, 2025
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Feature request: Frequency Response test & A-weighting
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1
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104
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August 4, 2025
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Has the QA403 output out-of-band residual signals?
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40
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621
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July 29, 2025
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What's the minimal frequency step of QA403 Generators?
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2
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150
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July 28, 2025
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AMP Frequency response test
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17
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980
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July 28, 2025
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I2S-output not working as expected
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1
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87
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July 28, 2025
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Measuring phase response of a DAC
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5
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300
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July 28, 2025
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Saved Automated Test setups not loading
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3
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88
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July 12, 2025
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Sine wave gen starting and stopping
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2
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80
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July 11, 2025
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RIAA Weighting Button?
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5
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153
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July 6, 2025
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QA403 export to EMF
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10
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183
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July 2, 2025
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QA403 left output problem
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5
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115
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June 30, 2025
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Bob Cordell's QA403 Tutorial
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37
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2419
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June 25, 2025
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