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RFMD - HIGH PERFORMANCE WIDEBAND RF PLL/VCO

Numéro de référence RF2052
Description HIGH PERFORMANCE WIDEBAND RF PLL/VCO
Fabricant RFMD 
Logo RFMD 





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RF2052 fiche technique
RF2052
HIGH PERFORMANCE WIDEBAND RF
PLL/VCO WITH INTEGRATED RF MIXER
Package: QFN, 32-Pin, 5mmx5mm
Features
30MHz to 2.5GHz Frequency
Range
Fractional-N Synthesizer
Very Fine Frequency Resolution
1.5Hz for 26MHz Reference
Low Phase Noise VCO
On-Chip Crystal-Sustaining
Circuit With Programmable
Loading Capacitors
High-Linearity RF Mixer
Integrated LO Buffer
Mixer Input IP3 +18dBm
Mixer Bias Adjustable for Low
Power Operation
2.7V to 3.6V Power Supply
Low Current Consumption
55mA to 75mA at 3V
3-Wire Serial Interface
Applications
CATV Head-Ends
Digital TV Up/Down Converters
Digital TV Repeaters
Multi-Dwelling Units
Cellular Repeaters
Frequency Band Shifters
UHF/VHF Radios
Software Defined Radios
Satellite Communications
Super-Heterodyne Radios
BPSK Modulator
VCO
LO
divider
Synth
Frac-N
sequence
generator
Charge
pump
N divider
Phase /
freq
detector
Mixer
Ref
divider
Functional Block Diagram
Product Description
The RF2052 is a low power, high performance, wideband RF frequency conversion
chip with integrated local oscillator (LO) generation and RF mixer. The RF synthe-
sizer includes an integrated fractional-N phase locked loop with voltage controlled
oscillators (VCOs) and dividers to produce a low-phase noise LO signal with a very
fine frequency resolution. The buffered LO output drives the built-in RF mixer which
converts the signal into the required frequency band. The mixer bias current can be
programmed dependent on the required performance and available supply current.
The LO generation blocks have been designed to continuously cover the frequency
range from 300MHz to 2400MHz. The RF mixer is very broad band and operates
from 30MHz to 2500MHz at the input and output, enabling both up and down con-
version. An external crystal of between 10MHz and 52MHz or an external reference
source of between 10MHz and 104MHz can be used with the RF2052 to accom-
modate a variety of reference frequency options.
All on-chip registers are controlled through a simple three-wire serial interface. The
RF2052 is designed for 2.7V to 3.6V operation for compatibility with portable, bat-
tery powered devices. It is available in a plastic 32-pin, 5mmx5mm QFN package.
Optimum Technology Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT
SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
RF MEMS
LDMOS
DS140110
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
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