Hi ncommunity.
Our customer has video signal flicker noise issues.
Input video signal to Vibrid When the video signal flicker has occurred.
Although I think that noise ゙ cause of the input signal, what can reduce the noise by setting the register?
Also, can I determine the effect by monitoring the value of the VDEC_NOISE?
Solved! Go to Solution.
Hello Takashi-san,
Please rephrase your reply and add some details. 0.22uF works or not?
On reference board is used 0.1uF.
/Jiri
Hellow Karina-san.
Customer has been improved that noise issues showed that with a 0.22μF input coupling capacity.
The recommended value of the Vybrid reference board is 0.022μF.
It is not a problem even with a 0.22μF.
Input is the NTSC signal from the camera.
Hello Takashi-san,
Please rephrase your reply and add some details. 0.22uF works or not?
On reference board is used 0.1uF.
/Jiri
Customer using Integlity of GHS OS.
Hard ware is there own board.
Video signal is analog NTSC, it converting the built-in ADC to the digital signal.
Symptoms is not a frame flicker, noise level (SN ratio) large, and visible as noise is flickering.
jiri-b36968 can you continue with the follow up?
Hello Takashi-san,
Is the problem in video input signal or setting of the display is not correct?
Please add some details: Video of the issue, setting of VideoADC, parameters of the input signal and the noise, configuration of Vybrid, etc.
/Jiri
takashitakahashi did you get previous comment?
Hello Takashi,
Can you describe your customer's hardware and OS configuration?
Is this a Vybrid VF5xx based design? Is Linux running on this hardware, or another OS?
How is the video signal input connected to the hardware?
Thank you,
Timesys Support
takashitakahashi did you get previous comment?
timesyssupport can you attend this case?