Junior Member level 2
Hello everyone. I am working on a project. I have to send a signal to a card that converts the signal from digital to analog. I found a design diagram of a board similar to the one I have. If you notice the generated signal it enters the DAC. then a loop with sma cable takes the signal to ADC and then it is filtered. I wonder why the fir filter is applied with the input ADC signal. I have always filtered the signal before converting generally.