Texas Instruments AFE5809 Evaluation Module AFE5809EVM AFE5809EVM Ficha De Dados
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Códigos do produto
AFE5809EVM
TEST AFE5809
Figure 8. Ramp Waveform Output
8.2
Step 2: Single Tone FFT
•
Select Frequency from the display control on the TSW1400 GUI to display the FFT.
•
Connect Channel 1 of the AFE5809EVM to a signal generator through a BP filter. If a BP filter is not
present, the result is not good.
present, the result is not good.
•
Set the amplitude of the signal generator to -25 dBm.
•
Set the frequency of the signal generator to the value in the "ADC Input Target Frequency" field of the
TSW GUI.
TSW GUI.
•
Change the window option to Hanning if using the onboard clock. This is because the input signal and
the onboard CMOS clock are noncoherent.
the onboard CMOS clock are noncoherent.
•
Press the Capture button to get the test result.
•
Repeat for Channel 2 through Channel 8.
10
AFE5809EVM Evaluation Module
SLOU338A – October 2012 – Revised November 2012
Copyright © 2012, Texas Instruments Incorporated