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RF2512 fiches techniques PDF

RF Micro Devices - UHF TRANSMITTER

Numéro de référence RF2512
Description UHF TRANSMITTER
Fabricant RF Micro Devices 
Logo RF Micro Devices 





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RF2512 fiche technique
11
Typical Applications
• Single- or Dual-Channel LO Source
• FM/FSK Transmitter
• Wireless Data Transmitters
RF2512
UHF TRANSMITTER
• 433/868/915MHz ISM Band Systems
• Wireless Security Systems
Product Description
The RF2512 is a monolithic integrated circuit intended for
use as a low-cost frequency synthesizer and transmitter.
The device is provided in a 24 pin SSOP package and is
designed to provide a phased locked frequency source
for use in local oscillator or transmitter applications. The
chip can be used in FM or FSK applications in the U.S.
915MHz ISM band and European 433MHz or 868MHz
ISM band. The integrated VCO, dual-modulus/dual-divide
(128/129 or 64/65) prescaler, and reference oscillator
require only the addition of an external crystal to provide
a complete phase-locked oscillator. A second reference
oscillator is available to support two channel applications.
0.157
0.150
1
0.344
0.337
0.012
0.008
0.025
0.2440
0.2284
8°MAX
0°MIN
0.0098
0.0040
0.0688
0.0532
0.050 0.0098
0.016 0.0075
Optimum Technology Matching® Applied
üSi BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
7 16 18 20 23 13
Gain
Control
TX OUT 8
Phase
Detector &
Charge Pump
Prescaler
128/129 or
64/65
321
Ref.
Select 24 OSC SEL
12 PRESCL OUT
14 MOD CTRL
15 DIV CTRL
Functional Block Diagram
Package Style: SSOP-24
Features
• Fully Integrated PLL Circuit
• 15mW Output Power at 433MHz
• 2.7V to 5.0V Supply Voltage
• Low Current and Power Down Capability
• 300MHz to 1000MHz Frequency Range
• Narrowband and Wideband FM
Ordering Information
RF2512
UHF Transmitter
RF2512 PCBA-L Fully Assembled Evaluation Board, 433MHz
RF2512 PCBA-M Fully Assembled Evaluation Board, 868MHz
RF2512 PCBA-H Fully Assembled Evaluation Board, 915MHz
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
11
Rev B9 010509
11-11

PagesPages 14
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