Cirrus-logic CapturePlus II Manual do Utilizador descarregar pdf (Página 36)

CapturePlus II

36 DS789UM2

A.2.3 Measuring Multiplexed Analog Input Signals

The following section demonstrates how testing the evaluation board performance with full-scale, multi-

plexed input signals is performed once the hardware and software are configured.

Connect a 1 kHz, -0.5 dB signal to one analog input channel, and a 5 kHz, -0.5 dB signal to the other an-

alog input channel.

Select the Frequency Domain window by clicking on the Frequency Domain tab at the top of the screen.

Deactivate the Grounded Input FFT button. Activate the Log Freq Scale button. Select the Window Type

to be Crystal 7 Term.

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Cirrus-logic CapturePlus II Manual do Utilizador Página 36