Arty Z7 Reference Manual Transfer Multisort Elektronik / tme.eu 22
Figure 13.1. Audio Output Circuit.
The Audio shut-down signal (AUD_SD) is used to mute the audio output. It is connected to
Zynq PL pin T17. To use the audio output, this signal must be driven to logic high.
The frequency response of SK Butterworth Low-Pass Filter is shown in Figure 13.2. The AC
analysis of the circuit is done using NI Multisim 12.0.
Figure 13.2. Audio Output Frequency Response.
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