Skip navigationLog in to create and rate content, and to follow, bookmark, and share content with other members. - I wanted to see the effects of IF frequency on my receiver design performance, so I swept the IF frequency and looked at almost every simulated parameter. They were all constant vs IF!. This doesn't seem right to me since more spurs should be generated at certain IF values than at others and this should reflect on some system performance parameters. Does anyone have any idea or suggestion in this regard.