Agilent Technologies 8590L Service Manual page 83

Making Adjustments
12. Second Converter
21.Press
marker delta amplitude reads 0 dB and is on the right-hand side of
the response. Read the marker delta frequency; it should be 15 MHz
±2.5 MHz. See
22.The maximum ripple should be less than 1 dB for a bandwidth of
6 MHz.
Figure 2-21 Second Converter Bandpass Ripple Measurement
84
∆
and rotate the knob clockwise so that the
MARKER MODE,
Figure 2-21.
Chapter 2