SignalShark User Manual
96
Setting the channel / EMC bandwidth
(CBW / EBW)
Here you can do the following:
1.
Select the current filter type
CBW
or
EBW
(CISPR, MIL-STD-461-F).
2.
Set the channel bandwidth (
CBW
) or EMC bandwidth (
EBW
).
3.
Select
Oversampling
.
Normal and EMC filter types:
The channel bandwidth (
CBW
) filter type allows you to select a narrow frequency range
with the desired bandwidth from a wideband spectrum and to suppress the remaining
signal components.
Instead of the
CBW
filter two
EMC
filters according to the standards
CISPR
and
MIL-
STD-461-F
can be selected.
When selecting an
EMC
filter, following bandwidths are available:
•
CISPR:
200 Hz, 9 kHz, 120 kHz, 1 MHz
•
MIL:
10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz, 1 MHz
The available bandwidths also depend on the
Fspan
setting.
After selecting an
EMC
filter type, the label
CBW
is replaced everywhere in the
corresponding views by the label
EBW
.
Selecting a filter type
You selected the desired view.
1.
Tap the
CBW
/
EBW
button. (The displayed button label depends on the currently
selected filter type.)
The context menu opens.
2.
Tap the
Filter Type
button and select the desired filter type from the dropdown list.
3.
Tap the head of the
Button bar
twice to get back to the main menu (or use the
Esc
key
instead).
Setting the resolution / EMC bandwidth (RBW / EBW)
You selected the desired view and set the desired filter type.
1.
Tap the
CBW
/
EBW
button.
2.
Set the bandwidth by rotating the
rotary knob
or enter the required value and select a
unit.
The setting is accepted immediately and the input window is closed.
Enabling/disabling oversampling (CBW only)
You selected the desired view and selected
CBW
as filter type.
1.
Tap the
CBW
button.
The context menu opens.
2.
Tap the
Oversampling
button to switch it
On
or
Off
.
3.
Press the
Esc
key to close the context menu.
Summary of Contents for Narda SignalShark
Page 1: ...User Manual Version 2019 07 ...
Page 2: ......
Page 14: ......
Page 15: ...15 Online Help Version 2019 07 ...
Page 16: ......
Page 31: ...Introduction 31 Figure Loop antenna frequency range 9 kHz to 30 MHz ...
Page 32: ......
Page 38: ......
Page 44: ......
Page 60: ......
Page 66: ......
Page 74: ......
Page 88: ......
Page 104: ......
Page 118: ......
Page 132: ......
Page 158: ......
Page 198: ......
Page 204: ......
Page 214: ......
Page 226: ......