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): 9/43頁
文件大?。?/td> 2978K
代理商: OL2381AHN
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
9 of 43
NXP Semiconductors
AN11017
Transceiver OL2381 using wireless M-BUS
Note that communication from the meter to collector uses the physical layer of the
T-mode. The physical layer parameters for the reverse direction are identical to the
S-mode.
2.6 Wireless M-Bus mode C1
Table 6.
Title
Application
Sending rate
Center Frequency
FSK Deviation
Data Encoding
Chip Rate
Preamble
[1]
All values provided are typical values unless otherwise stated.
2.7 Wireless M-Bus mode C2
Table 7.
Title
Application
Sending rate
Center Frequency
[1]
All values provided are typical values unless otherwise stated.
Fig 7.
Mode C1
Mode C1
Description
[1]
Compact mode - frequent transmission, short telegrams
short data burst <22 ms on regular basis
868.95 MHz
±45 kHz
NRZ
100 kchip/s (data rate = 100 bps)
short header (32 chips)
019aab759
Collector
Stationary or Mobile
Receiver
Meter
Mode C1
T
link
Fig 8.
Mode C2
Mode C2
Description
[1]
Compact mode - frequent transmission, bidirectional
short data burst <22 ms on regular basis
868.95 MHz (T)
869.525 MHz (C)
±45 kHz
NRZ
100 kchip/s (data rate = 100 bps)
FSK Deviation
Data Encoding
Chip Rate
Preamble
short header (32 chips)
019aab760
Collector
Stationary or Mobile
Transceiver
Meter
Mode C2
T
link
C
link
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