evm measurements for zigbee signals in the 2.4 ghz band -九游官网下载

ieee 802.15.4 (zigbee) uses offset qpsk with a half-sine pulse-shaping filter as modulation. this application note describes how to set up the rohde & schwarz signal analyzers together with the corresponding vector signal analysis (vsa) personality for modulation quality measurements, especially evm, for zigbee.