BGT24MTR11
User's Guide
Introduction
Application Note AN305, Rev. 1.0
2012-11-15
5 / 15
1
Introduction
This document provides supplementary information on how to use BGT24MTR11 that you may not completely
find in the datasheet.
BGT24MTR11 is the lead product of Infineon’s BGT24-series of 24 GHz radar transceiver products and serves
here as an example for all BGT24 products in this application note. All building blocks of BGT24MTR11
described here can be found on the other two products, BGT24MTR12 and 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
BGT24MTR11 block diagram
The following sub-sections of the block diagram will be covered in this application note:
Voltage controlled oscillator (VCO) and prescalers
Transmitter chain including both TX and LO outputs
Reciver chain including LNA and mixer
On-chip sensors
BGT24MTR11_Chip_BID.vsd
SPI
Buffer
/16
TX
PA
/65536
3
TX
Power
Sensor
Temp.
Sensor
PPF*
LNA
IFI
IFQ
90°
0°
RFIN
LO
Buffer
MPA
IFQX
IFIX
* Poly Phase Filter
FINE
COARSE
Q1 Q1N
Q2
SI CS CLK
LO
POWER
SENSOR
AMUX
2
2
TEMP
ANA
VCCTEMP
TXOFF
TXX
LO
