Keysight Technologies N9040B UXA Signal Analyzer Service Guide 363
Assembly Replacement Procedures
RF Area - Options 508, 513, 526
Figure 15-10 Attenuators Removal - Serial Number ≥ Options 508, 513, 526
Item Keysight Part Number
W2 N9040-20025
W3 N9040-20027
W4 N9040-20026
W51 N9040-20028