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Antonio Vernucci wrote:
Your feeling is correct -- regeneration in the IF will narrow the IF response, but won't correct for images before the IF. I agree, but in my case regeneration occurs in the converter stage, not in the IF amplifier! That is reason why I am wondering about. With a 500 kHz IF, I would have images only 1 MHz away. So I am worrying about the image frequency. Well, is the regeneration feeding back energy at IF or at RF? -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html |
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