Testing the EVM Data Capture With LVDS
14
SLOU430A – December 2015 – Revised February 2016
Copyright © 2015–2016, Texas Instruments Incorporated
AFE5818 16-Channel Analog Front End Evaluation Module (EVM Rev. C)
an ADC clock issue.
Figure 18. LED D5 Turns On When ADC is Ready
1. Choose VCA GAIN as
Mid Gain
.
Figure 19. Choose VCA Gain
2. Return to HSDCPro, and press the
Capture
button. A capture similar to that shown in
appears. The quality of the output spectrum depends heavily on the coherency and the purity of the
input signal and clock. Since it is not possible to sync the input signal with the on-board clock, TI
recommends using a window in HSDCPro (found at the top of the spectrum graph).
Blackman
or
Hanning
works, do not use
Rectangular
.
Figure 20. Capture Button
