Receiver Baseband Section
7.5/8.5 MHz
AGC CM IN
1
I
To baseband
ADC’s
1
Q
1
RCs
DC Estimator
1
RCs
Control Block
2
Estimator1
Fltr_Ctrl
Estimator2
• 5th order Chebychev LPF with programmable bandwidth has
sharp cut-off to attenuate interference
• Two independent offset cancellation loops for LPF and PGA