Keysight n9320b RF spectrum analyzer solves tire pressure monitoring scheme

Keysight N9320B Radio frequency spectrum analyzer solves the problem of tire pressure monitoring , Tire pressure monitoring system （Tire Pressure Monitoring System,TPMS）, It adopts wireless transmission technology , Use the high-sensitivity micro wireless sensor fixed in the car tire to collect the car tire pressure when driving or stationary 、 Temperature and other data , And transmit the data to the host in the cab , Real time digital display of tire pressure, temperature and other related data , And when the tire is abnormal （ Prevention of tire burst ） The vehicle active safety system that reminds the driver of early warning in the form of buzzer or voice . So as to ensure that the pressure and temperature of the tire are maintained within the standard range , Play a role in reducing tire burst 、 The probability of tire destruction , Reduce fuel consumption and damage to vehicle components .

1. Tire pressure sensor

The transmitter test station characterizes the transmitter power measurement at multiple frequency points 、 Channel power measurement and occupied bandwidth measurement performance . also , Perform other tests according to user specific test requirements . In most cases , Use the spectrum analyzer to measure the selected frequency power . In view of the above requirements ,Keysight N9320B RF spectrum analyzer is an ideal tool for manufacturing consumer electronic products . as follows ： chart 1

chart 1. measurement ASK/FSK Typical system setup of the transmitter

2. On board controller 　

　

The receiver test station characterizes the sensitivity of the receiver by comparing the demodulated baseband signal with the reference baseband signal . chart 2

chart 2. measurement ASK/FSK Typical system settings for receivers