Agilent Technologies E5071C Manual page 67

E5071C
Frequency)
Q (Q Value)
loss (Insertion Loss)
1. Display a marker.
> Marker 1
Marker
2. Using one of the following methods, move the marker to the center
frequency of the bandpass filter.
On the entry bar, press
•
Turn the rotary knob
•
frequency (947.5 MHz).
3. Specify the bandwidth definition value that defines the pass band of
the filter. In this measurement example, it is set to -3 dB.
Marker Search
4. Set the bandwidth search function ON.
Marker Search
5. The bandwidth data items (BW, cent, low, high, Q, loss) will be
displayed. (See the following figure)
Measuring the -3 dB Bandwidth
66
frequency points
Q = cent/BW
The measurement value of the active marker.
>
9 4
on the front panel to set it to the center
> Bandwidth Value >
> Bandwidth
> > > >
7 . 5 M/m
> >
+/- 3 x 1