27
/
78
Press
[Default]>Reset
Press
[FREQ]>Center Frequency>300MHz
,
Span>1MHz
Press
[BW]>100kHz
A single envelope signal can be seen at this point.
Figure 3-5 Undistinguished Two Equal-Amplitude Signals
4. Adjust the resolution bandwidth
（
RBW
）
to 30kHz to make its lower or equal to the frequency space
of two input signal:
Press
[BW]>RBW>300 kHz
Refer to Figure 3-6, two signal peaks can be seen at this point. Use rotary knob or direction key
on the front panel to further decrease the resolution bandwidth, so that to better distinguish the
two signals.
Figure 3-6 Distinguished Two Equal-Amplitude Signal
（
1
）
