Image Rejection vs.Channe Selection Figure 4.14.Trade-off between image rejection and channel selection for (a)high IF and(b)low IF. [View full size image] LNA Image Channel Reject Select Filter Filter cos@Lot Desired Channel Image Reject Image Channel Select Filter Filter Interferer 0 20F (a) 00 (im ODIF 0 201E (b)Image Rejection vs. Channel Selection