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ADV7391 Output waveform levels

Question asked by tay on Jul 18, 2016
Latest reply on Jul 19, 2016 by tay

I am working with an ADV7390 encoder and I found that the output is showing about 1.3V when terminated into a 37.5 ohm resistor and the RSET at 510 per the datasheet.  The encoder digital data inputs being driving by an FPGA.  I don't have access to the code for the FPGA right now.  Is it possible to drive the encoder in such a way that you will get 1.3V of DAC output?  I am trying to get it to work at the standard 1V of NTSC.

 

Thanks 

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