nRF2401无线通讯模块资料解析

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18、.! im m wmH- w- L-aiHi Bm* TrKi-up-F-mj| Mb Wr vtiM wirfW-FhfMF n5wwc frr ffWf wvi W nnvbSFM1于护 flWMV frd *npn-严H*- fcr * lAf 【更| 希 pk TOfci -PiKiaM m4lfHr W i. W iPl 申 xmPRODUCT SPECIFICATION nRF2401 Sin gle Chip 2.4 GHz Radio Tran sceiverPCB layout example Figure 22 shows a PCB layout example for

19、the applicati on schematic in Figure 21. A double-sided FR-4 board of 1.6mm thick ness is used. This PCB has a ground pla ne on the bottom layer. Additi on ally, there are ground areas on the comp onent side of the board to en sure sufficie nt grounding of critical comp onen ts. A large nu mber of v

20、ia holes connect the top layer ground areas to the bottom layer ground plane. No components in bottom layer Top silk screen Top view Bottom view Figure 22 n RF2401 RF layout with sin gle en ded connection to 50? antenna and 0603 size passive components Nordic Semiconductor ASA Revision: 1.1 - Vestre

21、 Rosten 81, N-7075 Tiller, Norway - Pho ne +4772898900 - Page 36 of 39 Fax +4772898989 June 2004PRODUCT SPECIFICATION nRF2401 Sin gle Chip 2.4 GHz Radio Tran sceiver DEFINITIONS Data sheet status Objective product specificati on Prelimi nary product specification Product specification This data shee

22、t contains target specifications for product developme nt. This data sheet contains prelimi nary data; suppleme ntary data may be published from Nordic Semic on ductor ASA later. This data sheet contains final product specificati ons. Nordic Semic on ductor ASA reserves the right to make cha nges at

23、 any time without notice in order to improve design and supply the best possible product. Limiting values Stress above one or more of the limiting values may cause permanent damage to the device. These are stress rati ngs only and operati on of the device at these or at any other con diti ons above

24、those give n in the Specificati ons sect ions of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. Table 24. Def

25、initions Nordic Semic on ductor ASA reserves the right to make cha nges without further no tice to the product to improve reliability, fun ctio n or desig n. Nordic Semic on ductor ASA does not assume any liability arising out of the application or use of any product or circuits described herei n. L

26、IFE SUPPORT APPLICATIONS These products are not desig ned for use in life support applia nces, devices, or systems where malf un cti on of these products can reas on ably be expected to result in pers onal injury. Nordic Semic on ductor ASA customers using or selli ng these products for use in such

27、applicati ons do so at their own risk and agree to fully indemnify Nordic Semic on ductor ASA for any damages result ing from such improper use or sale. Product Specificati on: Revisi on Date: 07.06.2004. Data sheet order code: 070604-n RF2401. All rights reserved ?. Reproduction in whole or in part is prohibited without the prior written