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參數(shù)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(fā)射機(jī) |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 160K |
| 代理商： | NRF902 |
PRELIMINARY PRODUCT SPECIFICATION
nRF902 Single chip 868 MHz Transmitter
Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989
Revision: 1.0
Page 5 of 13
April 2000
IMPORTANT TIMING DATA
Timing information
The timing information for the different operations is summarised in Table 4.
(TX is Transmit mode, Clk is Clock mode, Pwr_Dn is Power Down Mode.)
Change of Mode
Pwr_Dn
è
TX
Clk
è
TX
Max Delay
2ms
30us
Table 4 Switching times for nRF902
Switching between Power Down Mode and Transmit-mode.
The maximum time from Power Down mode until the synthesised frequency is stable
and data can be transmitted is seen in Figure 4.
Figure 4. Timing diagram when going from Power Down mode to Transmit-mode
Switching between Clock Mode and Transmit-mode.
The maximum time from Clock mode until the synthesised frequency is stable and
data can be transmitted is seen in Figure 5.
Figure 5. Timing diagram when going from Clock mode to Transmit-mode
xtal
VDD
ms
FSK
0
2
4
2ms
REXT
VDD
us
FSK
0
30
30us
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| nRF905 | 功能描述:射頻收發(fā)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(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 |
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