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參數資料
| 型號： | NRF902 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Single chip 868 MHz Transmitter |
| 中文描述： | 單芯片868兆赫發射機 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 160K |
| 代理商： | NRF902 |
PRELIMINARY PRODUCT SPECIFICATION
Main office: Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989
Revision: 1.0
Page 1 of 13
April 2000
Single chip 868 MHz Transmitter
FEATURES
APPLICATIONS
True single chip FSK/ASK transmitter in
a small 8-pin package
Adjustable output power up to +10dBm
FSK data rate up to 50kbits/s
Very few external components
On-chip frequency synthesiser gives
improved frequency stability compared to
SAW solutions
Wide power supply range: 2.4 to 3.6 V
Low supply current, typical 9mA
@ -10dBm output power
Power Down and Clock modes makes
power saving easy
Reference Clock output pin for
microcontroller
Automatic Meter Reading
Keyless entry
Wireless data communication
Alarm and security systems
Home Automation
Remote control
Surveillance
Automotive
Telemetry
Toys
GENERAL DESCRIPTION
nRF902 is a single-chip transmitter for the 868 MHz ISM band, designed to comply
with the ETSI specification I-ETS 300 220. Using nRF902 both FSK and ASK
modulation is possible. The transmitter consists of a fully integrated frequency
synthesiser, a power amplifier, a crystal oscillator and a modulator. Few external
components are required: a 13.567 MHz crystal, two resistors and some decoupling
capacitors. Due to the use of the crystal-oscillator stabilised frequency synthesiser,
frequency drift is much lower than in comparable SAW-resonator based solutions.
Output power is easily programmable by use of an external resistor. Current
consumption is very low, only 9 mA at an output power of –10dBm. Built-in Clock
and Power Down modes makes power saving and duty-cycling easily realisable.
QUICK REFERENCE DATA
Parameter
Minimum supply voltage
Maximum output power
Maximum FSK data rate
Maximum ASK data rate
Supply current FSK transmitter @ -10dBm output power
Supply current in Clock mode
Supply current in Power Down mode
Value
2.4
10
50
10
9
200
<10
Unit
V
dBm
kbit/s
kbit/s
mA
μ
A
n
Α
Table 1. nRF902 quick reference data
nRF902
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| NRF903 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Evaluation board |
| NRF903G | 制造商:Nordic Semiconductor 功能描述: |
| NRF903G-REEL | 制造商:Nordic Semiconductor 功能描述: |
| NRF904 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Wireless Component application notes/nRF904， RF and Antenna Layout |
| nRF905 | 功能描述:射頻收發器 1.9-3.6V 433/868/ 915MHz TRNSCVR RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數據速率:2000 Kbps 調制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
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