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RF2512 Datasheet

  • RF2512

  • UHF TRANSMITTER

  • 316.22KB

  • 14頁

  • RFMD

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RF2512
11
Typical Applications
鈥?Single- or Dual-Channel LO Source
鈥?FM/FSK Transmitter
鈥?Wireless Data Transmitters
鈥?433/868/915MHz ISM Band Systems
鈥?Wireless Security Systems
UHF TRANSMITTER
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
0.0098
0.0040
1
0.344
0.337
0.012
0.008
0.025
0.0688
0.0532
0.2440
0.2284
8擄MAX
0擄MIN
0.050
0.016
0.0098
0.0075
Optimum Technology Matching廬 Applied
眉
Si BJT
Package Style: SSOP-24
GaAs HBT
SiGe HBT
GaAs MESFET
Si CMOS
Si Bi-CMOS
Features
鈥?Fully Integrated PLL Circuit
鈥?15mW Output Power at 433MHz
11
TRANSCEIVERS
LOOP FLT
RESNTR+
RESNTR-
LVL ADJ
OSC B1
OSC B2
MOD IN
VREF P
OSC E
鈥?2.7V to 5.0V Supply Voltage
鈥?Low Current and Power Down Capability
鈥?300MHz to 1000MHz Frequency Range
鈥?Narrowband and Wideband FM
7
Gain
Control
16
18
20
23
13
3
2
1
TX OUT
8
Phase
Detector &
Charge Pump
Ref.
Select
24
12
OSC SEL
PRESCL OUT
MOD CTRL
DIV CTRL
Prescaler
128/129 or
64/65
14
15
Ordering Information
RF2512
RF2512 PCBA-L
RF2512 PCBA-M
RF2512 PCBA-H
UHF Transmitter
Fully Assembled Evaluation Board, 433MHz
Fully Assembled Evaluation Board, 868MHz
Fully Assembled Evaluation Board, 915MHz
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Functional Block Diagram
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Rev B9 010509
11-11

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