In cascaded system the Noise Figure (NF) is important in first blocks and it is vice versa in case of IP3, where the NF of last blocks matters more. So in a dual conversion receiver the noise figure of bandpass …
Dual Conversion As discussed in the previous section, ‘Image Rejection vs Channel Selection’, there is a constant trade-off between the two. There is efficient filtering in low wIF, but the image rejection is insufficient, and in high wIF, the Image …