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參數(shù)資料
| 型號： | NRF2401A-EVKIT |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Single chip 2.4 GHz Transceiver |
| 中文描述： | 單片2.4GHz無線收發(fā) |
| 文件頁數(shù)： | 33/38頁 |
| 文件大小： | 263K |
| 代理商： | NRF2401A-EVKIT |
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PRODUCT SPECIFICATION
nRF2401A Single Chip 2.4 GHz Radio Transceiver
frequency. When clocking the nRF2401A externally, XC2 is not used and can be left
as an open pin.
Frequency Reference MCU
In direct mode there is a requirement on the accuracy of the data rate. For the receiver
to detect the incoming data and recover the clock, the data rate must be within
±200ppm, given that the data is "random", i.e. there is a statistical calculation on how
often a preamble like sequence is present in the data. The clock is synchronized for
any preamble detection, be it a dedicated preamble or part of the data stream.
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -
Revision: 1.0
Phone +4772898900
-
Fax +4772898989
December 2004
Page 33 of 38
PCB layout and de-coupling guidelines
A well-designed PCB is necessary to achieve good RF performance. Keep in mind
that a poor layout may lead to loss of performance, or even functionality, if due care is
not taken. A fully qualified RF-layout for the nRF2401A and its surrounding
components, including matching networks, can be downloaded from
www.nordicsemi.no
.
A PCB with a minimum of two layers including a ground plane is recommended for
optimum performance. The nRF2401A DC supply voltage should be de-coupled as
close as possible to the VDD pins with high performance RF capacitors, see Table 22.
It is preferable to mount a large surface mount capacitor (e.g. 4.7
μ
F tantalum) in
parallel with the smaller value capacitors. The nRF2401A supply voltage should be
filtered and routed separately from the supply voltages of any digital circuitry.
Long power supply lines on the PCB should be avoided. All device grounds, VDD
connections and VDD bypass capacitors must be connected as close as possible to the
nRF2401A IC. For a PCB with a topside RF ground plane, the VSS pins should be
connected directly to the ground plane. For a PCB with a bottom ground plane, the
best technique is to have via holes as close as possible to the VSS pads. One via hole
should be used for each VSS pin.
Full swing digital data or control signals should not be routed close to the crystal or
the power supply lines.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| nRF2401AG | 功能描述:射頻收發(fā)器 1.9-3.6V 1MBIT XCVR 2.4GHz SHCKBRST 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 |
| nRF2401AG-REEL | 功能描述:射頻收發(fā)器 1.9-3.6V 1MBIT XCVR 2.4GHz SHCKBRST 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 |
| nRF2401AG-REEL7 | 功能描述:射頻收發(fā)器 1.9-3.6V 1MBIT XCVR 2.4GHz SHCKBRST 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 |
| NRF2401-AREEL | 制造商:Nordic Semiconductor 功能描述: |
| NRF2401-EVKIT | 制造商:Nordic Semiconductor 功能描述:2X BOARDS + 2 WHIP ANT. 2.4GHZ 制造商:Nordic Semiconductor 功能描述:EVALUATION KIT |
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