SWRA577A October   2017  – November 2020 AWR1243 , AWR1443 , AWR1642 , AWR1843 , AWR1843AOP , AWR2243 , AWR6843 , IWR1443 , IWR1642 , IWR1843 , IWR6443 , IWR6843 , IWR6843AOP , LP87524B-Q1 , LP87524J-Q1

 

  1.   Trademarks
  2. 1Introduction
  3. 2Power Supply Ripple and Noise Specifications
  4. 3Reference Solution
  5. 4Low Cost LC Filter Solution
    1. 4.1 LDO vs LC Filter Scheme Comparison
      1. 4.1.1 Waveguide Loopback Tests
      2. 4.1.2 Spur/Noise Floor Level
      3. 4.1.3 Voltage Transient Behavior
    2. 4.2 System Tests
      1. 4.2.1 Sensor Configuration
      2. 4.2.2 System Test With Static Object
      3. 4.2.3 Spur/Noise Floor Level
  6. 5Summary

4.2.1 Sensor Configuration

Table 4-5 Sensor Configuration
ParameterValueComments
Start frequency (GHz)77
Frequency slope (MHz)68.65
Tx start time (uSec)0
ADC start time (uSec)5.99
Idle time (uSec)12Inter Chirp power saving enabled for idle time+Tx start time >10usec
ADC samples256
Sample rate (Kbps)5000
Ramp end time58.22
Rx gain48