EZZE MASS2, Technical Manual, Page: 73 / 137

Model MASS 2 Version V_1.0
Prepared by H/W Date 22/01/2008
Subject Technical Manual Page 51/59
1. Receiver
The receiver section of MT6120 includes Quad-band low noise amplifiers(LNAs), RF quadrature mixers, an on-
chip channel filter, Programmable Gain Amplifiers(PGAs), quadrature second mixers, and a final low-pass filter.
The very low-IF MT6120 uses image-rejection mixers and filters to eliminate interference. With accurate RF
quadrature signal generation and mixer matching techniques, the image rejection of the MT6120 can reach 35dB
for all bands. Compared to a direct conversion receiver(DCR), MT6120’s very low-IF architecture improves the
blocking rejection, AM suppression, as well as the adjacent channel interference performance.