S96301xB SSA-X Signal Source Analyzer advanced features for E505xA: See Measurement Classes.
S96302B Precision Clock Jitter Analysis: See Precision Clock Jitter Analysis.
S96325B Pulsed-RF measurements for SSA-X Signal Source Analyzer : Integrated Pulse Application in VNA and Pulse Measurement in Phase Measurement
S96390xB: Spectrum Analysis for E505xA: Spectrum Analyzer
Network Analyzer (standard) class is available on E505xA-160, 260 or 261