406 Keysight NFA Series Noise Figure Analyzers Service Guide
Assembly Replacement Procedures
RF Area (N8973B, 74B, 75B)
YTF Preselector - RF/Microwave Instruments
Removal
1. Refer to Figure 15-12. Remove cables W7 and W8 from the YTF
Preselector (1 ).
Figure 15-12 YTF Preselector Removal
2. Remove the wire harness W22.