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3. When the Connect Diagram appears on the
HP 3048A's display, connect the signal paths as shown
on the display. (Figure 3-11 also shows the cable
connections for this measurement.) Table 3-6 provides
additional setup considerations that will help you ensure
that your measurement results will be valid.
The HP 8640B should be adjusted to the appropriate center
frequency and DC FM Peak Deviation setting for the
measurement. Set the HP 8640B's amplitude to +18 dBm
(+13 dBm if the center frequency is above 550 MHz).
HP 3561A DYNAMIC
SIGNAL ANALYZER
Figure 3-11. Setup Diagram for the Free-Running RF Oscillator Measurement Example.
Signal Source Applications
3-33
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