參數(shù)資料
型號(hào)： NRF9E5-EVKIT915
廠商： Electronic Theatre Controls, Inc.
英文描述： 433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC
中文描述： 433/868/915MHz RF收發(fā)器與8051兼容的嵌入式微控制器和4輸入，10位ADC
文件頁(yè)數(shù)： 93/104頁(yè)
文件大?。?/td> 1436K
代理商： NRF9E5-EVKIT915
PRODUCT SPECIFICATION
nRF9E5 Single Chip Transceiver with Embedded Microcontroller and ADC
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone +4772898900 - Fax +4772898989
Revision: 1.1
Page 93 of 104
June 2004
20
PCB LAYOUT AND DECOUPLING GUIDELINES
nRF9E5 is an extremely robust RF device due to internal voltage regulators and requires
the minimum of RF layout protocols. However the following design rules should still be
incorporated into the layout design.
A PCB with a minimum of two layers including a ground plane is recommended for
optimum performance. The nRF9E5 DC supply voltage should be decoupled as close as
possible to the VDD pins with high performance RF capacitors. 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 nRF9E5 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
nRF9E5 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 place via holes as close as possible to the VSS pins. A minimum of 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.
A fully qualified RF-layout for the nRF9E5 and its surrounding components, including
antennas and matching networks, can be downloaded from www.nordicsemi.no.
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NRF9E5IC 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC
nRF9E5-REEL 功能描述:射頻收發(fā)器 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(lèi)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(lèi)型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
NRF-D 制造商:IDEC 功能描述:35mmDINKi[pT[Lbgz_ Bulk 制造商:IDEC CORPORATION 功能描述:DIN RAIL MT.ADAPTOR
NRF-HEAD-CAP-B 制造商:IDEC CORPORATION 功能描述:Circuit Protector
NRF-HEAD-CAP-W 制造商:IDEC CORPORATION 功能描述:Circuit Protector
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