Setting the channel / EMC bandwidth (CBW / EBW)

Here you can do the following:

1.   Set the channel bandwidth (CBW) or EMC bandwidth (EBW).

2.   Enable Oversampling.

3.   Select the current filter type CBW or EBW (CISPR, MIL-STD-461-F).

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 one of 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.

Setting the channel / EMC bandwidth (CBW / 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 / Off.

3.   Press the Esc key to close the context menu.

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).