ZVL – APX 515b Report
June 11, 2025
Waveform
Sine
Generator Level
1.000Vrms
DC Offset
0.000V
Frequency
1kHz
High-Pass Filter
Elliptic
High-Pass Frequency
20Hz
Low-Pass Filter
Elliptic
Low-Pass Frequency
20kHz
Weighting Filter
Signal Path
Notch Tuning Mode
Measured Frequency
THD+N Ratio
Ch. 1
0.000778
Ch. 2
0.000862
June 11, 2025
Waveform
Sine
Generator Level
8.000Vrms
DC Offset
0.000V
Frequency
1kHz
High-Pass Filter
Elliptic
High-Pass Frequency
20Hz
Low-Pass Filter
Elliptic
Low-Pass Frequency
20kHz
Weighting Filter
Signal Path
Signal to Noise Ratio
Ch. 1
125.881dB
Ch. 2
125.905dB
One Channel Undriven
June 11, 2025
Waveform
Sine
Generator Level
2.000Vrms
DC Offset
0.000V
Frequency
10kHz
Crosstalk
Ch. 1
-57.522dB
Ch. 2
-57.179dB
June 11, 2025
Waveform
Sine
Generator Level
1.000Vrms
DC Offset
0.000V
EQ
None
Start Frequency
20kHz
Stop Level
20Hz
Step Type
Logarithmic
Number of Points
31
High-Pass Filter
Elliptic
High-Pass Frequency
20Hz
Low-Pass Filter
Signal Path
Weighting Filter
Signal Path
Phase Ref
Ch. 1
Relative Level 1k
June 11, 2025
Waveform
Sine
Frequency
1kHz
Start Level
500.0mVrms
Stop Level
8.000Vrms
Step Type
Logarithmic
Number of Points
31
DC Offset
0.000V
High-Pass Filter
Elliptic
High-Pass Frequency
20Hz
Low-Pass Filter
Elliptic
Low-Pass Frequency
20kHz
Weighting Filter
Signal Path
Notch Tuning Mode
Generator Frequency
THD+N Ratio vs Measured Level