User's Guide

FUJITSU COMPONENT LIMITED
3
Introduction
In this users’ guide, the information of the parameter to be noticed and the procedure to
determine the external components to be implemented to use Doppler Radar Sensor are
described.
Please test and evaluate your actual use condition since the contents of this users’ guide
does not cover the all the condition of the actual use.
Please refer to “Doppler Radar Sensor FWM7RAZ01 Data Sheet” for the detailed
FWM7RAZ01 specifications.
Block diagram
Fig. 1 shows the block diagram of FWM7RAZ01.
This users’ guide contains, the procedure of Gain and noise calculation of RF transceiver,
Tx/Rx antenna and IF amplifier enclosed by dotted line, and the gain setting of the external
amplifier based on the actual application.
Fig. 1 Block diagram
Analog signal processing circuit
FWM7RAZ01
Tx
Rx
PA
LNA
Transceiver
90°
VCO
LPF
DAC
Band
Control
MCU
EEPROM
LDO
IF-AMP
I
Q
IF1
IF2
H-SFT
L-SFT
Vcc
/CE