NXP Semiconductors BGU8007 GPS LNA EVB Скачать руководство пользователя страница 15

 

 

NXP Semiconductors 

UM10497 

 

BGU8007 GPS LNA EVB  

UM10497 

All information provided in this document is subject to legal disclaimers.

 

© NXP B.V. 2011. All rights reserved. 

User manual 

Rev. 1.0 — 5 October 2011 

15 of 16 

9.  Legal information 

9.1  Definitions 

Draft — 

The document is a draft version only. The content is still under 

internal review and subject to formal approval, which may result in 

modifications or additions. NXP Semiconductors does not give any 

representations or warranties as to the accuracy or completeness of 

information included herein and shall have no liability for the consequences 

of use of such information. 

9.2  Disclaimers 

Limited warranty and liability — 

Information in this document is believed to 

be accurate and reliable. However, NXP Semiconductors does not give any 

representations or warranties, expressed or implied, as to the accuracy or 

completeness of such information and shall have no liability for the 

consequences of use of such information. 
In no event shall NXP Semiconductors be liable for any indirect, incidental, 

punitive, special or consequential damages (including - without limitation - 

lost profits, lost savings, business interruption, costs related to the removal 

or replacement of any products or rework charges) whether or not such 

damages are based on tort (including negligence), warranty, breach of 

contract or any other legal theory. 
Notwithstanding any damages that customer might incur for any reason 

whatsoever, NXP Semiconductors’ aggregate and cumulative liability 

towards customer for the products described herein shall be limited in 

accordance with the Terms and conditions of commercial sale of NXP 

Semiconductors. 

Right to make changes — 

NXP Semiconductors reserves the right to make 

changes to information published in this document, including without 

limitation specifications and product descriptions, at any time and without 

notice. This document supersedes and replaces all information supplied prior 

to the publication hereof. 

Suitability for use — 

NXP Semiconductors products are not designed, 

authorized or warranted to be suitable for use in life support, life-critical or 

safety-critical systems or equipment, nor in applications where failure or 

malfunction of an NXP Semiconductors product can reasonably be expected 

to result in personal injury, death or severe property or environmental 

damage. NXP Semiconductors accepts no liability for inclusion and/or use of 

NXP Semiconductors products in such equipment or applications and 

therefore such inclusion and/or use is at the customer’s own risk.  

Applications — 

Applications that are described herein for any of these 

products are for illustrative purposes only. NXP Semiconductors makes no 

representation or warranty that such applications will be suitable for the 

specified use without further testing or modification.  
Customers are responsible for the design and operation of their applications 

and products using NXP Semiconductors products, and NXP 

Semiconductors accepts no liability for any assistance with applications or  
 

customer product design. It is customer’s sole responsibility to determine 

whether the NXP Semiconductors product is suitable and fit for the 

customer’s applications and products planned, as well as for the planned 

application and use of customer’s third party customer(s). Customers should 

provide appropriate design and operating safeguards to minimize the risks 

associated with their applications and products.  
NXP Semiconductors does not accept any liability related to any default, 

damage, costs or problem which is based on any weakness or default in the 

customer’s applications or products, or the application or use by customer’s 

third party customer(s). Customer is responsible for doing all necessary 

testing for the customer’s applications and products using NXP 

Semiconductors products in order to avoid a default of the applications and 

the products or of the application or use by customer’s third party 

customer(s). NXP does not accept any liability in this respect. 

Export control — 

This document as well as the item(s) described herein 

may be subject to export control regulations. Export might require a prior 

authorization from competent authorities. 

Evaluation products — 

This product is provided on an “as is” and “with all 

faults” basis for evaluation purposes only. NXP Semiconductors, its affiliates 

and their suppliers expressly disclaim all warranties, whether express, 

implied or statutory, including but not limited to the implied warranties of non-

infringement, merchantability and fitness for a particular purpose. The entire 

risk as to the quality, or arising out of the use or performance, of this product 

remains with customer. 
In no event shall NXP Semiconductors, its affiliates or their suppliers be 

liable to customer for any special, indirect, consequential, punitive or 

incidental damages (including without limitation damages for loss of 

business, business interruption, loss of use, loss of data or information, and 

the like) arising out the use of or inability to use the product, whether or not 

based on tort (including negligence), strict liability, breach of contract, breach 

of warranty or any other theory, even if advised of the possibility of such 

damages.  
Notwithstanding any damages that customer might incur for any reason 

whatsoever (including without limitation, all damages referenced above and 

all direct or general damages), the entire liability of NXP Semiconductors, its 

affiliates and their suppliers and customer’s exclusive remedy for all of the 

foregoing shall be limited to actual damages incurred by customer based on 

reasonable reliance up to the greater of the amount actually paid by 

customer for the product or five dollars (US$5.00). The foregoing limitations, 

exclusions and disclaimers shall apply to the maximum extent permitted by 

applicable law, even if any remedy fails of its essential purpose. 

9.3  Trademarks 

Notice: All referenced brands, product names, service names and 

trademarks are property of their respective owners. 
 

 

 

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Содержание BGU8007 GPS LNA EVB

Страница 1: ...007 GPS LNA evaluation board Rev 1 0 5 October 2011 User manual Document information Info Content Keywords LNA GPS BGU8007 Abstract This document explains the BGU8007 GPS low noise amplifier evaluation board Downloaded from Arrow com ...

Страница 2: ...V 2011 All rights reserved User manual Rev 1 0 5 October 2011 2 of 16 Contact information For additional information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com Revision history Rev Date Description 1 0 20111005 First Release Downloaded from Arrow com Downloaded from Arrow com ...

Страница 3: ...ly requires two external components one series inductor for input matching and one decoupling capacitor The BGU8007 contains one RF stage and internal bias that is temperature stabilized It is also supplied with an enable function allowing it to be controlled by a logic signal The BGU8007 is ideal for use as GNSS LNA in smart phones feature phones and Portable Navigation Devices The GPS LNA evalua...

Страница 4: ... are AC coupled via an integrated capacitor Only two external components are required to build a GPS LNA with the following advantages Low noise High gain High linearity under jamming Very low package height 0 5mm Low current consumption Short power settling time The data sheet of the BGU8007 is available and it is called SiGe C Low Noise Amplifier MMIC for GPS GLONASS and Galileo 3 Application Bo...

Страница 5: ...n Circuit The circuit diagram of the evaluation board is shown in Fig 2 With jumper JU1 the enable pin can be controlled to either to Vcc or GND Fig 2 Circuit diagram of the BGU8007 evaluation board 3 2 Board Layout Fig 3 Printed circuit board lay out of the BGU8007 GPS LNA evaluation board Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Down...

Страница 6: ... of the BGU8007 GPS LNA EVB v2 1 Designator Description Footprint Value Supplier Name type Comment Ac BGU8007 1 45x1 0mm LNA MMIC PCB v2 1 35x20mm BGU8007 GPS LNA EVB C1 Capacitor 0402 1nF Murata GRM1555 Decoupling L1 Inductor 0402 5 6nH Murata LQW15A High Q low Rs Input matching X1 X2 SMA RF connector Johnson End launch SMA 142 0701 841 RF input RF output X3 DC header Molex PCB header Right Angle...

Страница 7: ...er exceed 2 5 V as it might damage the BGU8007 3 Jumper JU1 is connected between the Vcc terminal of the evaluation board and the Ven pin of the BGU8007 Fig 5 shows the evaluation board including its connections 4 To evaluate the power on settling time ton and the power off settling time toff it is also possible to use a separate voltage on the Ven eventually this voltage can be supplied by a puls...

Страница 8: ... the following is needed A 5dB ENR noise source a directional coupler GPS band pass filter a noise figure analyzer or a spectrum analyzer with noise option can be used See Fig 11 Fig 5 GPS LNA evaluation board including its connections Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Download...

Страница 9: ...ser Manual UM10453 2 Tone Test BGU7005 and BGU7007 GPS LNA 6 1 1 dB gain compression at 1575 MHz with 850 MHz or 1850 MHz jammers As already stated before signal levels in the GPS frequency band of 130 dBm average will not cause linearity problems in the GPS band itself This of course is also valid for the 1 dB gain compression in band The 1 dB compression point at 1575 MHz caused by cell phone TX...

Страница 10: ...mpression curves with 850 MHz and 1850 MHz jammers At 1 dB Gain drop the Jammer Generator read out for 850 MHz jammer is 7 dBm Vcc 1 8 V Taking into account the approx 20 dB attenuation of the directional coupler this means Pi 1dB 12 1 dBm Fig 8 For 1850 MHz the Jammer Generator read out is 10 9 dBm Vcc 1 8 V Taking into account the approx 20 dB attenuation of the directional coupler this means Pi...

Страница 11: ...nput of the GPS antenna To measure this behavior the setup shown in Fig 11 is used The jammer signal is coupled via a directional coupler to the DUT this is to avoid the jammer signal damaging the noise source The GPS BPF is needed to avoid driving the second stage LNA in saturation For the Jammer Generator a low Phase Noise type is advised This is to avoid extra noise caused by the Jammer Generat...

Страница 12: ...0 5 October 2011 12 of 16 Fig 11 Noise under jamming measurement setup Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 13: ...for 850 MHz and 1850 MHz jammer signals Fig 12 NF at 1 575 GHz versus jammer power at 850 MHz Fig 13 NF at 1 575 GHz versus jammer power at 1850 MHz Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from A...

Страница 14: ...ss RLin 5 5 5 5 5 5 dB Pin 40 dBm no jammer Output Return Loss RLout 26 26 26 dB Pin 40 dBm no jammer Reverse Isolation ISLrev 24 24 24 dB Pin 40 dBm no jammer Input 1dB Gain Compression Compression Pi 1dB 12 11 10 dBm 1559 MHz to 1610MHz Input third order intercept point IP3i 2 4 4 5 dBm 1 The losses of the connectors and the PCB of approximately 0 05dB are subtracted 2 Jammers at f1 f 138 MHz an...

Страница 15: ... determine whether the NXP Semiconductors product is suitable and fit for the customer s applications and products planned as well as for the planned application and use of customer s third party customer s Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products NXP Semiconductors does not accept any liability relat...

Страница 16: ...eries inductor 6 4 Required Equipment 7 5 Connections and setup 7 6 Linearity 9 6 1 1 dB gain compression at 1575 MHz with 850 MHz or 1850 MHz jammers 9 7 Noise figure as function of jammer power at 850 MHz and 1850 MHz 11 8 Typical Evaluation Board results 14 9 Legal information 15 9 1 Definitions 15 9 2 Disclaimers 15 9 3 Trademarks 15 10 Contents 16 Downloaded from Arrow com Downloaded from Arr...

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