M
ODEL
SL599 V
ERSION
V_1.0
P
REPARED BY
H/W
D
ATE
2007.04.11
S
UBJECT
T
ECHNICAL
M
ANUAL
P
AGE
46/52
SL599
T
ECHNICAL
M
ANUAL
RF section
I. MT6120 (RF Transceiver IC)
MT6120 includes LNAs, two RF quadrature mixers, an integrated channel filter, programmable gain
amplifiers(PGA), an IQ demodulator for the receiver, a precision IQ modulator with offset PLL for the
transmitter, two internal TX VCOs, a VCXO, on-chip regulators, and a fully programmable sigma-
delta fractional-N synthesizer with an on-chip RF VCO.
Figure 34. MT6120 Functional block diagram