Keysight Technologies X Series - RF Area (Option 503, 507, 513, 526)

474 Keysight N9010A EXA Service Guide
Assembly Replacement Procedures
RF Area (Option 503, 507, 513, 526)
RF Area (Option 503, 507, 513, 526)
Refer to Figure 15-7 and Figure 15-8. The RF area consists of RF attenuator A
(1), RF attenuator B (2), low band switch assembly (3), and YTF Preselector
(4).
Instruments with Options DP2, MPB, or B40 will also have coaxial switch #1
(5), coaxial switch #2 (6), and 6 dB fixed attenuator (7) (Figure 15-8).
Figure 15-7 RF Area Components and Cables - Standard Instruments
The YTF Preselector is not typically installed in instruments with Option 503.