The R3681 is a hybrid measuring solution that integrates the capabilities of a spectrum analyzer, modulation analyzer, vector signal generator and arbitrary waveform generator. With a specified average noise level of 156 dBm/Hz and 26 dBm typical third-order intermodulation distortion, the R3681 has a dynamic range of 142 dBm. The R3681's spectrum analysis features include a frequency range of 20 Hz to 32 GHz, signal purity of typically 123 dBc/Hz at 800 MHz/10 kHz offset and a typical noise floor down to 168 dBm/Hz. For modulation analysis, the R3681 has an RF input analysis of 50 MHz to 6 GHz and a baseband IQ input of up to 20 MHz for IQ.
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