Relationship between Electric field strength and Antenna factor
A brief description of the relationship between Electric field strength and Antenna factor. Application Solution An antenna converts radio waves in the air into electrical signals flowing through the cable […]
Example of using two waveforms display of Signal Analyzer
Here is an example of using two waveforms display of Signal Analyzer MSA500 series. Application In the real-time mode of the signal analyzer MSA500 series, it is possible to display […]
Optimization of weak signal measurement by spectrum analyzer
By optimizing the spectrum analyzer, the weak signal can be captured. Application All spectrum analyzers are always affected by noise generated internally. The item specifying the influence of this noise […]
About dBmeirp that is unit of electric field strength used in ETC/DSRC
In the ETC/DSRC system, the unit of electric field strength is specified as dBmeirp as described in ARIB STD-75, which is a standard for dedicated short range communication (DSRC) system. Therefore, dBmeirp is used as the unit of electric field strength in DSRC communication unit ME9115 and ETC/ITS spot electric field strength measurement system ME9200 which are our products.
Simple low frequency radiation system
By limiting frequency and radiation level, it's possible to build low-cost low-frequency radiation system. Application By limiting frequency and radiation level, it's possible to build low-cost low-frequency radiation system. It […]
Daily inspection method of shield box
A low cost daily inspection system of electromagnetic anechoic box/shield box consisting of a spectrum analyzer/signal analyzer (MSA438TG/538TG) equipped with a tracking generator function and a sleeve antenna (M300/400 series) […]
A basic method of calculation in dB for wireless applications
In recent years, even circuit design and digital design engineers should learn radio technologies with the increase of
wireless applications. Some of those engineers may not be good at analyzing in dB. This paper presents a way how
to create level diagram of a wireless application using anechoic box.
Frequency measurement with a Frequency Counter of spectrum analyzer option
For example, as a test of wireless equipment of technical standards conformity, there is a "Frequency deviation ".
The meter to be used for the test is required 10 times or more accuracy than the allowable deviation of wireless equipment rule.
An EMI estimation method by simple evaluation of radiated emission
Simple and low-cost EMI estimation by using spectru m/signal analyzer(338E/438E/538E/558E) Application Precompliance EMI test system MR2300 using spectrum/sign al analyzer (338E/438E/538E/558E) and anechoic box has superior cost performance. This paper […]
External transfer of I/Q data measured by the signal analyzer
I/Q data measured can be easily transferred by the signal analyzer. Application Connection schematic diagram Solution Set the signal analyzer to the real time mode. Select the display of the […]