CMX972 Datasheet, PDF (6/41 Pages) CML Microcircuits – Small 32-lead VQFN Package

Quadrature Demodulator with IF PLL/VCO
2 Block Diagram
VCCSYNTH
REFIN
DO
External
Resonator
and
Varactors
VCON2
VCON1
VCOP1
VCOP2
RXLO
Integer-N
PLL
VCO
IFIN
Control Logic
Divide by
2 or 4
sin
DC
Offset
Adjust
cos
DC
Offset
Adjust
Figure 1 Block Diagram
CMX972
VDD
RDATA
SCLK
CDATA
CSN
VSS
VCC
RFGND
OA1O
OA1N
OA1P
RXIP
RXIN
OA2O
OA2N
OA2P
RXQP
RXQN
 2015 CML Microsystems Plc
6
D/972/2