CMX991 Datasheet, PDF (7/56 Pages) CML Microcircuits – Two-mode demodulator

RF Quadrature Transceiver / RF Quadrature Receiver
2 Block Diagrams
CMX991/CMX992
TXIP
TXIN
TXQP
TXQN
FREF
DOIF
External
Resonator &
Varactors
VCON
VCOP
LNAON
MIXLOP
MIXLON
MIXINP
MIXINN
Limiting VCO Amp
Enable
LNA Control
Divide by
4, 2 or 1
Integer-N
PLL
Divide by
2 or 4
Divide by
4
sin
cos
SLI
Divide by
2 or 4
Select
Control Registers
C-BUS
Select / Bypass
Power
Supply
VDDIO
DVDD
RESETN
RDATA
SCLK
CDATA
CSN
DGND
VCCSYNTH
VCCIF
VCCRF
VBIAS
AGND
IAMPO
Figure 3 CMX991 Block Diagram
FREF
DOIF
External
Resonator &
Varactors
VCON
VCOP
LNAON
MIXLOP
MIXLON
MIXINP
MIXINN
Limiting VCO Amp
Integer-N
PLL
Enable
LNA Control
Divide by
4, 2 or 1
Divide by
4
sin
cos
SLI
Control Registers
C-BUS
Select / Bypass
Power
Supply
VDDIO
DVDD
RESETN
RDATA
SCLK
CDATA
CSN
DGND
VCCSYNTH
VCCIF
VCCRF
VBIAS
AGND
IAMPO
 2015 CML Microsystems Plc
Figure 4 CMX992 Block Diagram
7
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