What is a directional coupler ?
An example of forward power measurement using a 3-port directional coupler will be described. Application A directional coupler is used to measure the forward power that input into the input […]
Relationship between oscilloscope and spectrum analyzer amplitude
This note explains the relationship between oscilloscope and spectrum analyzer amplitude. Application Both oscilloscopes and spectrum analyzers measure electrical signals. The oscilloscope measurement results are displayed on the screen as […]
Relation between noise floor of spectrum analyzer and internal ATT
This note explains the relationship between the noise floor of the spectrum analyzer and the internal attenuator (ATT). Application The figure below shows a simplified block diagram of the spectrum […]
Spectrum Analyzer Basics (2) About RBW (Resolution Bandwidth)
Application I will explain in a little more detail about the RBW that appeared in the previous basics (1). RBW is an abbreviation for Resolution Bandwidth. The IF filter section […]
Relationship between radiated EMI measurable lower level and antenna gain
Lower levels of radiated EMI noise can be measured by using a high gain antenna. Application By using a high gain antenna, lower levels of noise can be measured in […]
Electric field strength measurement by reference level offset function
Electric field strength can be read directly by converting the antenna factor with the reference level offset function of MSA series. Application When you connect an antenna to a spectrum […]
Spectrum Analyzer Basics (1)
Let’s reconfirm the basic knowledge about spectrum analyzers. Application A spectrum analyzer is a highly sensitive measuring instrument that displays AC power by frequency. It may be damaged by static […]
Antenna selection for on-site measurement of radiation emission
Difference in measurement result and selection method depending on antenna difference. Application In the pre-compliance tests of radiated EMI (emission), it is important to select the receiving antenna and the […]
Utilization of PC logging software for spectrum analyzer
How to convert log data recorded by logging software (MAS 510) to CSV file. Application Logging software is PC application software for controlling spectrum analyzer (MSA 500 series) by PC […]
Measurement of accurate frequency with Signal Analyzer
Application Frequency counters are usually used as measuring instruments for RF signal frequency measurement.This note shows how to perform frequency measurement with the Handheld signal analyzer MSA500 series with the […]