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Edition 2012-11-15

 

Published by 
Infineon Technologies AG 
81726 Munich, Germany

 

© 2012 Infineon Technologies AG 
All Rights Reserved. 

Legal Disclaimer 

The information given in this document shall in no event be regarded as a guarantee of conditions or 
characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any 
information regarding the application of the device, Infineon Technologies hereby disclaims any and all 
warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual 
property rights of any third party. 

Information

 

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Infineon Technologies Office (

www.infineon.com

).

 

Warnings

 

Due to technical requirements, components may contain dangerous substances. For information on the types in 
question, please contact the nearest Infineon Technologies Office. 
Infineon Technologies components may be used in life-support devices or systems only with the express written 
approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the 
failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life 
support devices or systems are intended to be implanted in the human body or to support and/or maintain and 
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Summary of Contents for BGT24MTR11

Page 1: ...RF and Protection Devices BGT24MTR11 Application Note AN305 Revision Rev 1 0 2012 11 15 User s Guide to BGT24MTR11 24 GHz Radar...

Page 2: ...ry terms and conditions and prices please contact the nearest Infineon Technologies Office www infineon com Warnings Due to technical requirements components may contain dangerous substances For infor...

Page 3: ...hip Bluetooth of Bluetooth SIG Inc CAT iq of DECT Forum COLOSSUS FirstGPS of Trimble Navigation Ltd EMV of EMVCo LLC Visa Holdings Inc EPCOS of Epcos AG FLEXGO of Microsoft Corporation FlexRay is lice...

Page 4: ...5 Receiver Section 11 5 1 Low Noise Amplifier 11 5 2 Mixer 11 6 Sensors 12 6 1 Power Sensors 12 6 2 Temperature Sensor 13 Authors 14 List of Figures Figure 1 BGT24MTR11 block diagram 5 Figure 2 VCO fr...

Page 5: ...nd BGT24MR2 as well The additional information in this application note is valid for these products as well 2 Overview The picture below shows the internal block diagram of BGT24MTR11 Figure 1 BGT24MT...

Page 6: ...resistor to Vcc This means that when a pin is left open it will be internally at Vcc So if both pins are left open the oscillator will be around 26 GHz at room temperature Note It is mandatory for eac...

Page 7: ...s VCOARSE and VFINE Figure 4 2D plot Output voltage vs VCOARSE and VFINE 0 0 25 0 5 0 75 1 1 25 1 5 1 75 2 2 25 2 5 2 75 3 3 25 0 0 25 0 5 0 75 1 1 25 1 5 1 75 2 2 25 2 5 2 75 3 3 25 25 C Vfine V V co...

Page 8: ...capacitor at a PLL s input In case a PLL does not support differential inputs it is possible to use any of the two outputs and terminate the unused one Figure 5 Termination of Div16 outputs This pres...

Page 9: ...rminate one of the TX outputs with 50 and use the other one directly as a 50 output port However this will reduce the available output power by 3 dB Note It is not recommended to create a 100 single e...

Page 10: ...l loop can re lock the frequency again There are two possibilities to turn on and off the TX ouput power The first is via the SPI bus and the second is using the TXOFF pin 4 1 1 1 Enabling disabling v...

Page 11: ...4 PC2_BUF of the SPI register to HIGH In low output power mode the output power is reduced by 3 5 dB In case the LO output is not required this pin can be left open 5 Receiver Section BGT24MTR11 s rec...

Page 12: ...ak voltage detectors are connected to the output of the TX power amplifier and to the LO medium power amplifier To eliminate temperature and supply voltage variations a reference output voltage VREF i...

Page 13: ...age can be read out via the analog multiplexer output ANA pin 25 The temperature sensor can be independently biased through VCCTEMP pin 29 This makes it possible to measure the chip temperature while...

Page 14: ...BGT24MTR11 User s Guide Authors Application Note AN305 Rev 1 0 2012 11 15 14 15 Authors Dietmar Stolz Staff Engineer of Business Unit RF and Protection Devices...

Page 15: ...w w w i n f i n e o n c o m Published by Infineon Technologies AG AN305...

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