rf2059sr RF Micro Devices, rf2059sr Datasheet
rf2059sr
Manufacturer Part Number
rf2059sr
Description
High Performance Rf Pll/vco With Rf Mixers For Wlan Band Shifters
Manufacturer
RF Micro Devices
Datasheet
1.RF2059SR.pdf
(38 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RF2059SR
Manufacturer:
RFMD
Quantity:
5 000
Features
Applications
DS100630
1550MHz to 2050MHz VCO
Frequency Range
30MHz to 2.5GHz Mixer
Frequency Range
Fractional-N Synthesizer
Low Phase Noise VCO
On-Chip Crystal-Sustaining
Circuit With Programmable
Loading Capacitors
Two High-Linearity RF Mixers
Integrated LO Buffers and
Dividers
Mixer Input IP3 +18dBm
Mixer Bias Adjustable for Low
Power Operation
Full Duplex Mode
2.7V to 3.6V Power Supply
Low Current Consumption
55mA to 75mA at 3V
3-Wire Serial Interface
WLAN Band Shifters
Satellite Communications
Super-Heterodyne Radios
Diversity Receivers
Cellular Repeaters
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 sales-support@rfmd.com.
RF2059High
Performance
RF PLL/VCO
with RF Mix-
ers For WLAN
Band Shifters
Product Description
The RF2059 is a low power, high performance, wideband RF frequency conversion
chip with integrated local oscillator (LO) generation and a pair of RF mixers. The RF
synthesizer includes an integrated fractional-N phase locked loop with voltage con-
trolled oscillator (VCO) 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 mixers
which convert the signal into the required frequency band. The mixer bias current
can be programmed dependent on the required performance and available supply
current. The VCO has been designed to cover the frequency range from 1550MHz
to 2050MHz. The LO dividers can be selected to divide the VCO output frequency by
two or four to give lower LO frequencies. The RF mixers are very broad band and
operate from 30MHz to 2500MHz at the input and output, enabling both up and
down conversion. An external crystal of between 10MHz and 52MHz or an external
reference source of between 10MHz and 104MHz can be used with the RF2059 to
accommodate a variety of reference frequency options.
The high level of integration makes the RF2059 ideal for WLAN band shifting appli-
cations, offering a low cost and compact single chip solution.
All on-chip registers are controlled through a simple three-wire serial interface. The
RF2059 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.
.
GaAs HBT
GaAs MESFET
InGaP HBT
Optimum Technology Matching® Applied
HIGH PERFORMANCE RF PLL/VCO WITH RF
Synth
SiGe BiCMOS
Si BiCMOS
SiGe HBT
Functional Block Diagram
MIXERS FOR WLAN BAND SHIFTERS
sequence
generator
Charge
Frac-N
divider
pump
Ref
Package: QFN, 32-Pin, 5mmx5mm
VCO
N divider
detector
Phase /
GaAs pHEMT
Si CMOS
Si BJT
freq
divider
divider
Sw
LO
LO
RF2059
GaN HEMT
RF MEMS
LDMOS
1 of 38
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