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2.15 Precautions for Preventing Damage
2-37
2
Before Use
Notes:
If it is impossible to connect a ground wire to DUT, follow the
instructions below so that the voltage to be measured in step 3
becomes 0 V.
Check that the 3-pin power cords described in 2.3.2 “Connecting
Power Cord” are used for the BERTWave and DUT.
When the 3-pin power cords are used, take the following actions:
There may be a disconnection in the ground terminal of the
used power cord. Replace it with a different 3-pin power cord.
There is a possibility that the ground terminal inside the AC
outlets to which the 3-pin power cords of BERTWave and DUT
are connected is not connected to ground. Connect the 3-pin
power cords to different AC outlets.
Checking the output waveform with an oscilloscope
1. Connect the DUT and the oscilloscope using a cable with an
impedance of 50
.
2. Set the input impedance of the oscilloscope to 50
.
3. Observe the waveform with the oscilloscope, and perform the
following operations to check the observed waveform for surge
voltage exceeding the rated voltage*.
There is a risk of damage if a voltage exceeding the rated voltage* is
generated.
Turning On/Off the DUT power
Outputting a pulse from DUT
Connecting and disconnecting the cable between DUT and the
BERTWave
*:
The rated voltage is 1 Vp-p for ED and ±2 V for the scope.
Содержание BERTWave MP2100B
Страница 24: ...xxiv...
Страница 96: ...Chapter 2 Before Use 2 42...
Страница 112: ...Chapter 3 Connecting with DUT 3 16...
Страница 250: ...Chapter 7 Measuring Waveform 7 64 Figure 7 12 1 Marker Display...
Страница 262: ...Chapter 7 Measuring Waveform 7 76...
Страница 276: ...Chapter 8 Operating Optical Interface 8 14...
Страница 304: ...Chapter 9 Performance Test 9 28...
Страница 313: ...10 4 Displaying Software Version 10 9 10 Maintenance 4 Touch Exit and then the software version display screen is closed...
Страница 320: ...Chapter 10 Maintenance 10 16...
Страница 374: ...Appendix E Performance Test Record Form E 10...
Страница 382: ...Index Index 6...