CMX972 Demodulator Datasheet

CMX972 Datasheet, PDF, Equivalent


Part Number

CMX972

Description

Quadrature Demodulator

Manufacture

CML

Total Page 30 Pages
Datasheet
Download CMX972 Datasheet


CMX972
CML Microcircuits
COMMUNICATION SEMICONDUCTORS
CMX972
Quadrature Demodulator
with IF PLL/VCO
D/972/3 April 2019
Provisional Issue
Features
20 300MHz IF/RF Demodulator
10MHz Rx I/Q Bandwidth
< 1 degree I/Q Phase Matching
< 0.5 dB I/Q Gain Matching
Low Power, 3.0V 3.6V Operation
Small 32-lead VQFN Package
Applications
Wireless Data Terminals
HF/VHF and UHF Mobile Radio
Avionics Radio Systems
Software Defined Radio (SDR)
Satellite Terminals
n/c
RXLO
VCO
P2
VCO
P1
VCO VCO
N1 N2 OA1O OA1N
n/c
n/c
n/c
n/c
IFIN
VCC
RXIN
RXIP
Quadrature
demodulator
VCO
40-1000MHz
Local oscillator
switching
Serial bus
PLL and
control
OA1P
VSS
CSN
OA2O
OA2N
OA2P
RDATA
SCLK
RXQP RXQN
n/c
REFIN DO
VCC
SYNTH
CDATA
VDD
2019 CML Microsystems Plc

CMX972
Quadrature Demodulator with IF PLL/VCO
CMX972
1 Brief Description
The CMX972 features a low-power quadrature IF/RF demodulator with wide operating frequency range
and optimised power consumption. The demodulator is suitable for superheterodyne architectures with IF
frequencies up to 300MHz and the device may be used in low IF systems or in those converting down to
baseband. An on-chip PLL and VCO, together with uncommitted baseband differential amplifiers, provide
additional flexibility. Control of the CMX972 is by serial bus. The CMX972 is supplied in an RF-optimised
32-lead VQFN package.
2019 CML Microsystems Plc
2
D/972/3


Features CML Microcircuits COMMUNICATION SEMICOND UCTORS CMX972 Quadrature Demodulator w ith IF PLL/VCO D/972/3 April 2019 Pro visional Issue Features  20 – 300 MHz IF/RF Demodulator  10MHz Rx I/Q Bandwidth  < 1 degree I/Q Phase Matc hing  < 0.5 dB I/Q Gain Matching  Low Power, 3.0V – 3.6V Operation  Small 32-lead VQFN Package Applicatio ns  Wireless Data Terminals  HF/V HF and UHF Mobile Radio  Avionics Ra dio Systems  Software Defined Radio (SDR)  Satellite Terminals n/c RXL O VCO P2 VCO P1 VCO VCO N1 N2 OA1O O A1N n/c n/c n/c n/c IFIN VCC RXIN RXIP Quadrature demodulator VCO 40-1000MH z Local oscillator switching Serial bus PLL and control OA1P VSS CSN OA2O OA2 N OA2P RDATA SCLK RXQP RXQN n/c REFI N DO VCC SYNTH CDATA VDD  2019 C ML Microsystems Plc Quadrature Demodul ator with IF PLL/VCO CMX972 1 Brief D escription The CMX972 features a low-p ower quadrature IF/RF demodulator with wide operating frequency range and optimised power consumption. The demodulator is suitable.
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