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Advice re measuring DAC linearity/frequency response. Getting a lot of strange wobble <=100Hz
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7
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130
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November 18, 2025
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Is this the correct approach for PS measurements?
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7
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171
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November 17, 2025
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QA472 picking up mains noise
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6
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160
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November 15, 2025
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What to measure that relates to audible differences
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20
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334
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November 9, 2025
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Measuring THD on an FM Tuner
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4
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107
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November 6, 2025
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Error with HEADLESS
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3
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64
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November 5, 2025
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I2C on the expansion port
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0
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46
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November 2, 2025
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Rack mounting tray
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3
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92
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October 31, 2025
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A serious error has occured. The information has been logged. The application will Close
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1
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68
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October 31, 2025
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Improved Damping Factor measurement
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7
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178
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October 31, 2025
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Laptop minimum requirements for QA403
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10
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563
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October 28, 2025
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Can I test a USB ADC with the QA403?
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3
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143
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October 25, 2025
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Measuring Compressor Response
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5
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913
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October 24, 2025
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I2S & TDM continuity tests
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3
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104
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October 24, 2025
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Coherent sampling DAC to ADC
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3
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73
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October 24, 2025
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Measuring classical tape decks
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10
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183
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October 23, 2025
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QA40x Feature request
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58
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2145
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October 22, 2025
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QA401 save a snapshot?
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0
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34
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October 21, 2025
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Between Gen1 and Gen2 phase shifted signals setting
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6
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78
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October 21, 2025
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Can I do IM testing with mirror mode
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4
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84
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October 21, 2025
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Has the QA403 output out-of-band residual signals?
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43
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788
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October 20, 2025
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IDLE Feature Request
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2
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85
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October 19, 2025
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Q403 Rack Design
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3
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174
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October 7, 2025
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Reloading FR Traces into GraphTool
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5
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553
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October 7, 2025
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Tractor Prompts or Value verification
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3
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94
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October 7, 2025
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QA402/403 I2S expansion specifications
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5
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699
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October 6, 2025
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Issues with high frequency measurements
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2
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98
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October 4, 2025
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Installing QA403
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2
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141
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October 2, 2025
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Feature request: Polarity Test
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5
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163
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September 25, 2025
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Calculating Noise Floor from Export Frequency Series
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10
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177
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September 24, 2025
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