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參數(shù)資料
| 型號： | RF2945 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 433/868/915MHZ FSK/ASK/OOK TRANSCEIVER |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP32 |
| 封裝： | 5 X 5 MM, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 742K |
| 代理商： | RF2945 |
11-215
11
T
Produc t Desc ription
Ordering Information
Typic al Applic ations
Features
Func tional Block Diagram
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Optimum Technology Matching Applied
Si BJT
GaAs HBT
Si Bi-CMOS
SiGe HBT
GaAs MESFET
Si CMOS
25
R
26
V
29
D
31
L
32
R
8
MIX IN
6
LNA OUT
4
RX IN
2
TX OUT
1
TX ENABL
24
RESNTR-
23
MOD IN
22
DATA REF
21
DEMOD IN
19
IF2 BP-
18
IF2 BP+
17
IF2 IN
PA
LNA
Control
Logic
Gain
Control
Linear
RSSI
27
G
28
V
30
V
3
GND2
5
GND1
7
GND3
9
G
10
M
11
V
12
R
13
I
14
I
15
I
16
I
20
GND6
RF2945
433/868/915MHZ FSK /AS K /OOK TR ANS CEIVER
Wireless Meter Reading
Keyless Entry Systems
433, 868 and 915MHz ISM Band Systems
Wireless Data Transceiver
Wireless Security Systems
Battery-Powered Portable Devices
The RF2945 is a monolithic integrated circuit intended for
use as a low cost FM transceiver. The device is provided
in 32-lead plastic LQFP packaging and is designed to be
used with a PLL IC to provide a fully functional FM trans-
ceiver. The chip is intended for digital (ASK, FSK, OOK)
applications in the North American 915MHz ISM band
and European 433/868MHz ISM bands. The integrated
VCO has a buffered output to feed the RF signal back to
the PLL IC to form the frequency synthesizer. Internal
decoding of the RX ENABL and TX ENABL lines allow for
half duplex operation as well as turning on the VCO to
give the synthesizer time to settle and complete power
downmode. The DATA REF line allows the use of an
external capacitor to control the DC level at the adaptive
Data Slicer input for setting the bit decision threshold.
Fully Monolithic Integrated Transceiver
2.4V to 5.0V Supply Voltage
Narrowband and Wideband FSK
300MHz to 1000MHz Frequency Range
10dB Cascaded Noise Figure
10mW Output Power With Power Control
RF2945
RF2945 PCBA-L
RF2945 PCBA-M Fully Assembled Evaluation Board (868MHZ)
RF2945 PCBA-H Fully Assembled Evaluation Board (915MHz)
433/868/915MHz FSK/ASK/OOK Transceiver
Fully Assembled Evaluation Board (433MHZ)
11
Rev A10 000919
7° MAX
0° MIN
+0.15
0.10
0.60
0.127
7.00
+ 0.20 sq.
5.00
+ 0.10 sq.
0.22
+ 0.05
Dimensions in mm.
0.15
0.05
-A-
1.40
+ 0.05
0.50
Package S tyle: LQFP-32_5 x 5
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