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PowerBook G3 500 MHz

Full duplex 1 kHz Distortion and Noise:

Jitter, full duplex:

Measurement conditions:

• Computer: 500 MHz G3 PowerBook (FireWire / Pismo / 2000), 256 MB RAM.
• Measurement software: Mac the Scope, 2048 point (X2) FFT, Square window function, linear frequency axis.
• Stimulus signal was generated by Mac the Scope / Waavebox. Signal: 1 kHz / 11 kHz, DIGITAL LOCK enabled, 1024 sample latency (e.g., sequence length).
• Measurements were made at 44.1 kHz sample rate, 16 bit. Channel 1 is shown, and represents other channel.
• Plot range is -160 dB to 0 dBFS.

Note: the distortion measurements may be replicated with the free, demo version of Mac the Scope (the session timeout limit provides ample time for making the measurement).

• Here are links to some other measurements.
• Here is a procedure for making the distortion measurement.

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