User`s guide

Chapter 3 59
Operation
Using an 8566B Spectrum Analyzer
Operation
Figure 3-5. 11974 Connections Using an 8566B
Frequency Tracking Calibration
Use this procedure to align the frequency of the 11974 tracking filter to the tuned
frequency of the 8566B. Fo0llow this procedure anytime the 11974 is connected to a
different spectrum analyzer. Periodically check the calibration.
1. Set the 11974 rear-panel switches
8566B and LEDS to the ON position, and the other
two switches to the OFF position, to properly scale the tune ramp of the analyzer.
2. Set the spectrum analyzer to the appropriate millimeter band by using the following
key sequence for the appropriate mixer:
for an 11974A:
SHIFT ⇑ ⇑
for an 11974Q: SHIFT ⇑ ⇑ ⇑
for an 11974U: SHIFT ⇑ ⇑ ⇑ ⇑
for an 11974V: SHIFT ⇑ ⇑ ⇑ ⇑ ⇑