Infineon BGT24LTR11, Руководство пользователя

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Application Note page 3 of 32 V1.0
2021-03-31
Distance2GoL (Software-Controlled FMCW) low-power radar shield using
BGT24LTR11 for range detection and human tracking
List of figures
List of figures
Figure 1 Distance2GoL demo platform ............................................................................................................ 7
Figure 2 Steps 1 to 3 to get started with the Distance2GoL demo board ........................................................ 8
Figure 3 Steps 4 to 6 to get started with the Distance2GoL demo board ........................................................ 9
Figure 4 Steps 7 to 9 to get started with the Distance2GoL demo board ...................................................... 10
Figure 5 BGT24LTR11 Shield board with main components and dimensions .............................................. 12
Figure 6 Block diagram – Distance2GoL ......................................................................................................... 14
Figure 7 Block diagram – power supply concept ........................................................................................... 15
Figure 8 EEPROM block diagram ..................................................................................................................... 15
Figure 9 RF front-end overview (top) .............................................................................................................. 16
Figure 10 Block diagram – BGT24LTR11 MMIC ................................................................................................. 16
Figure 11 Simulated radiation pattern for array antennas .............................................................................. 17
Figure 12 Baseband amplifier chain – block diagram ...................................................................................... 18
Figure 13 Baseband amplifier chain – schematic ............................................................................................. 18
Figure 14 Baseband frequency response for low-gain and high-gain stages ................................................. 19
Figure 15 External headers – P1, P2, P3, P4, P5 and P6 ................................................................................... 22
Figure 16 Human target detection range with respect to detection area ...................................................... 25
Figure 17 Bandwidth check at 25° inside temperature chamber .................................................................... 26
Figure 18 Bandwidth check at +85° inside temperarture chamber ................................................................. 26
Figure 19 Bandwidth check at -40° inside temperature chamber ................................................................... 27