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AD9850 scalar network analyzer

A network analyzer is an instrument that measures the network parameters of electrical networks. Today, network analyzers commonly measure s–parameters. Full featured network analyzers are expensive instruments, and sometimes a simpler. Scalar Network Analyzer (SNA) is a simpler form of RF network analyzer that only measures the amplitude properties of the device under test.  SNA is

Smart phone mic repair

I just had issue with my Samsung S4 mini: the sound other end of call was very weak. Solution: clean mic hole on case (single less than 1mm diameter hole on bottom). Posted from WordPress for Android