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參數(shù)資料
| 型號： | OL2381AHN |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 微波射頻器件 |
| 英文描述： | Highly Integrated Single Chip Sub 1-GHz RF Transceiver |
| 封裝： | OL2381AHN<SOT617-3 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-3.html<1<Always Pb-free,; |
| 文件頁數(shù)： | 10/43頁 |
| 文件大小： | 2978K |
| 代理商： | OL2381AHN |
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AN11017
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Application note
Rev. 2 — 10 May 2011
10 of 43
NXP Semiconductors
AN11017
Transceiver OL2381 using wireless M-BUS
Meter unit transmits on a regular basis similar to type C. Its receiver is enabled for a short
period after the end of each transmission and if an acknowledge is received it locks on.
Further bidirectional communication in the 0.1 % frequency band can follow.
The same receiver can receive T-mode and C-mode. Because of the use of GFSK
modulation at C-link, the transmission allows more data with the same energy budget.
2.8 Wireless M-Bus mode R2
Table 8.
Title
Application
Sending rate
Center Frequency
[1]
All values provided are typical values unless otherwise stated.
In mode R2, the meter periodically listens for a request. If a request is received, the meter
data is sent to the collector. Due to frequency multiplexing, several metering devices can
be read at the same time. The communication settings for each direction are different. The
communication devices must support fast switching between these settings.
The OL2381 is unable to receive multiple channels at the same time. However, due to a
medium header, and OL2381 fast switching frequency, it is possible to poll several
channels and read the channel that contains data.
Fig 9.
Mode R2
Mode R2
Description
[1]
frequent reception, bidirectional, long range
meter transmit only on request
868.33 MHz (collector to meter)
868.03 + n*0.06 MHz (meter to collector)
±6 kHz
Manchester
4.8 kchip/s (data rate = 2.4 bps)
medium header (96 chip)
3 ms (collector) / 10 ms (meter)
FSK Deviation
Data Encoding
Chip Rate
Frame
Response delay
019aab761
Collector
Stationary or Mobile
Transceiver
Meter
Mode R2
R
link
R
link
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OL2381AHN/C0B,515 | 功能描述:射頻收發(fā)器 Single Chip 1-GHz 射頻收發(fā)器 RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)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 |
| OL2381AHN/C0B515 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| OL2385AHN/00100Y | 功能描述:RF WIRELESS PLATFORM UHF 制造商:nxp usa inc. 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:TxRx + MCU 射頻系列/標(biāo)準(zhǔn):- 協(xié)議:- 調(diào)制:ASK，F(xiàn)SK 數(shù)據(jù)速率（最大值）:- 功率 - 輸出:14dBm 靈敏度:-124dBm 存儲容量:- 串行接口:SPI，UART GPIO:12 電壓 - 電源:1.9 V ~ 5.5 V 電流 - 接收:- 電流 - 傳輸:29mA 工作溫度:-40°C ~ 85°C 封裝/外殼:48-VFQFN 裸露焊盤 標(biāo)準(zhǔn)包裝:1 |
| OL2385AHN/001A0Y | 功能描述:LOW-POWER MULTI-CHANNEL UHF RF W 制造商:nxp usa inc. 系列:- 包裝:剪切帶（CT） 零件狀態(tài):停產(chǎn) 類型:TxRx + MCU 射頻系列/標(biāo)準(zhǔn):- 協(xié)議:- 調(diào)制:ASK，F(xiàn)SK 數(shù)據(jù)速率（最大值）:- 功率 - 輸出:14dBm 靈敏度:-124dBm 存儲容量:- 串行接口:SPI，UART GPIO:12 電壓 - 電源:1.9 V ~ 5.5 V 電流 - 接收:- 電流 - 傳輸:29mA 工作溫度:-40°C ~ 85°C 封裝/外殼:48-VFQFN 裸露焊盤 標(biāo)準(zhǔn)包裝:1 |
| OL2405 | 制造商:Ohmite Mfg Co 功能描述: |
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