Setting Bandwidth Limits - YOKOGAWA DL7440 User Manual

5.8

Setting Bandwidth Limits

Procedure
CH
CH
CH
CH
CH
CH
CH
CH
Explanation
5-14
VERTICAL HORIZONTAL
1
SEARCH
PRESET ZOOM
2
3
V/DIV TIME/DIV
4
5
6
7
LOGIC
8
SNAPSHOT CLEAR TRACE
1. Press one of the CH1 to CH8/4 keys to select the channel. The CH menu
appears.
You can select up to channel CH4 and CH8 on the DL7440 and DL7480, respectively.
2. Press the Bandwidth soft key. The Bandwidth menu appears.
3. Press the 20MHz, 100MHz, or Full soft key.
4. As necessary, repeat steps 1 to 3.
Note
The bandwidth limit is set for each channel. Set the bandwidth limit for all necessary
channels.
Bandwidth limits for 20 MHz and 100 MHz are available. The frequency characteristics
when bandwidth is limited are shown below. If you select Full, the bandwidth limit is 500
MHz (50-Ω input) or 400 MHz (1-MΩ input).
Attenuation
–3 dB
Approx. 20 MHz
* 500 MHz for 50-Ω input
400 MHz for 1-MΩ input
TRIGGER
• To exit the menu during operation, press ESC located
TRIG D
ACTION
above the soft keys.
MODE
• For a description of the operation using a USB keyboard or
a USB mouse, see section 4.3.
SIMPLE ENHANCED
DELAY
POSITION
HELP
Approx. 100 MHz FULL* Input frequency
IM 701450-01E