CMX991 Datasheet, PDF (2/56 Pages) CML Microcircuits – Two-mode demodulator

RF Quadrature Transceiver / RF Quadrature Receiver
CMX991/CMX992
T/R
Power Amplifier
(VC)TCXO
External
Resonator &
Varactors
LO Input
Differential
Amplifiers
Integer-N
PLL
Div
CMX991
IF Output
Tx
I/Q
Input
Div
LO Input
Power
Supply
Control
Registers
/4
C-BUS
LNA
IF Filters
Rx
Level
2 x IF (e.g 455kHz) Outputs
or I/Q Outputs
Figure 1 CMX991 – RF Quadrature Transceiver
External
Resonator &
Varactors
LO Input
Div
T/R
From Transmitter
Integer-N
PLL
CMX992
Differential
Amplifiers
Power
Supply
Control
Registers
C-BUS
/4
SLI
2 x IF (e.g 455kHz) Outputs
or I/Q Outputs
IF Filters
Figure 2 CMX992 – RF Quadrature/Low IF Receiver
 2015 CML Microsystems Plc
2
D/991_992/20