ITU R SM 1838:2007
ITU R SM 1838:2007 Test Procedure For Measuring The Noise Figure Of Radio Monitoring Receivers
Table of Contents
ScopeAnnex1-Testprocedureformeasuringthenoisefigureof
radiomonitoringreceivers
1Generalaspects
2Basicsofthenoisefiguremeasurements
3Definitionofthetestproceduresformeasuringthenoise
figureofreceivers
3.1"Gain"method
3.1.1Principle
3.1.2Measurementset-up
3.2"Y-factor"method
3.2.1Principle
3.2.2Measurementset-up
3.3Sensitivitymeasurementtodeterminethenoise
figure
3.3.1Principle
3.3.2Measurementset-up
3.3.3Measurementparameters