84 Chapter2
Making Adjustments
12. Second Converter
21.Press MARKER MODE, ∆ and rotate the knob clockwise so that the
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 Figure 2-21.
22.The maximum ripple should be less than 1 dB for a bandwidth of
6 MHz.
Figure 2-21 Second Converter Bandpass Ripple Measurement
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