2-11
SM 701730-01E
Performance Testing
2
2.2.15 EXT Trigger Sensitivity and Trigger Out Test
Specification:
Sensitivity 100 mV at 100 MHz
Testing Procedure
1.
Enter the following settings on the DL1720E/DL1740E/DL1740EL.
CH1
Display:
ON
V/div:
20 mV/div
Probe:
1:1
Coupling:
DC 50
Ω
CH2
Display:
ON
V/div:
2 V/div
Probe:
1:1
Coupling:
DC 1 M
Ω
Other than CH1 or CH2
Display:
OFF
DISPLAY
Format:
Dual
ACQ
Record Length:
10 k
Mode:
Normal
TIME/DIV
10 ns/div
SIMPLE (Trigger)
Source:
Ext
Range:
±
1 V (for the DL1720E)
Probe:
1:1
Level:
V
c
(see prev item)
Position:
10%
2.
Input a 100 MHz, 100 mV
P-P
sinewave from the calibrator to CH1 and the EXT
trigger input terminal. Pass the input to the EXT trigger input terminal through
the 50
Ω
terminator.
3.
Connect the rear panel trigger output to CH2 through a BNC cable.
Items to Be Checked
Confirm that the trigger activates normally, and that a stable waveform is displayed.
Observation Example
2.2 Tests for the DL1720E/DL1740E/DL1740EL
