Ceyear 4041 Series, User Manual

Page: 101 / 203

Chapter V Interference Analyzer Mode (Option)
89
5.3.4 Bandwidth menu
RBW
Auto Manual
BW
VBW
Auto Manual
Average
Off On
SPAN/RBW
100
RBW/VBW
1
Detector
Auto
>
·[Res BW Auto Man]: Press
【
BW
】
→[Res BW Auto Man] to set by using the numeric
keys on the front panel or by using
【 ↑ 】 【 ↓ 】
keys and the knob.
·[Special Attention]: The resolution bandwidth is determined by the bandwidth of
intermediate frequency filter, and the shape of the trace depends on the
intermediate frequency bandwidth filter. This instrument supports setting of
variable resolution bandwidth ranging from 1 Hz to 10 MHz with the step of
1-3-10.
·[Video BW Auto Man]: Press [Bandwidth ]→[Video BW Auto Man] and switch it by
using the numeric keys or by using
【 ↑ 】 【 ↓ 】
keys and the knob.
·[Special Attention]: Video bandwidth filters are used for smooth traces to
improve the ability to detect weak signals among noise signals. This instrument
supports setting of variable resolution bandwidth ranging from 1 Hz to 10 MHz
with the step of 1-3-10.
· [Average Off On]: Press
【
BW
】 →[Average Off On] and change it by using the
numeric keys or by using
【
↑
】 【
↓
】
keys and the knob. The average function can be
used for smoothing display traces without changing the video bandwidth filter.
·[SPAN/RBW]: Press
【
BW
】 →[SPAN/RBW] to set the ratio of span to resolution
bandwidth. In the auto mode, the resolution bandwidth will change automatically with
the change of span. It can be changed by using the numeric keys or by using
【
↑
】 【
↓
】
keys and the knob.
·[RBW/VBW]: Press
【
BW
】 →[RBW/VBW]. In the auto mode, the video bandwidth
will change with the change of resolution bandwidth. It can be changed by using the
numeric keys or by using
【
↑
】 【
↓
】
keys and the knob.
·[Detectior]: Press
【
BW
】 →[Detector] to open the submenu of the detection function.
Refer to the [Detector] menu for details.