Transcription of Lecture 9: Intercept Point, Gain Compression and Blocking
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Lecture 9: Intercept Point, Gain Compression and Blocking
EECS 142 Lecture 9: Intercept Point, gain Compression andBlockingProf. Ali M. NiknejadUniversity of California, BerkeleyCopyrightc 2005 by Ali M. NiknejadA. M. NiknejadUniversity of California, BerkeleyEECS 142 Lecture 9 p. 1/29 p. 1/29 gain CompressionViVodVodViViVodVodViThe large signal input/output relation can display gaincompression or expansion. Physically, most amplifierexperience gain Compression for large small-signal gain is related to the slope at a givenpoint. For the graph on the left, the gain decreases forincreasing M. NiknejadUniversity of California, BerkeleyEECS 142 Lecture 9 p.
Properties of Intercept Point IP2 Since the second order IM distortion products increase like s2 i, we expect that at some power level the distortion products will overtake the fundamental signal. The extrapolated point where the curves of the
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