SDS2000 X HD Ser vice Manual
37
5.4
To Verify Bandwidth
This test checks the bandwidth of all the analog channels. In the test, the impedance of 9500B should
be set to be the same as analog channels.
Table 10 Vertical Scales should be verified
Impedance
Vertical Scale
50Ω
10 mV/div, 100 mV/div, 200 mV/div, 500 mV/div, 1 V/div
Steps:
1.
Connect the selected channel of the oscilloscope to the 9500B via the active head, as shown in
2.
Set the vertical scale of the selected channel to 10
mV/div, impedance to 50 Ω, “ Max Mem Depth ”
to 2M.
3.
Press the Measure button on the front panel of the oscilloscope to display
“Stdev ”
measurement of the selected channel.
4.
Set the 9500B:
impedance to 50 Ω, amplitude to 60 mV, waveform to sine.
5.
Set frequency of the 9500B to the frequency in Table 11
Table 11 Frequency points in the test
Model
Impedance
Frequency Point (Hz)
SDS2504X HD
50 Ω
1M, 1.14M, 1.31M, 1.50M, 1.72M, 1.97M, 2.25M, 2.57M,
2.95M, 3.37M, 3.86M, 4.42M, 5.06M, 5.79M, 6.63M, 7.59M,
8.69M, 9.94M, 11.38M, 13.03M, 14.91M, 17.07M, 19.54M,
22.36M, 25.60M, 29.30M, 33.54M, 38.39M, 43.94M, 50.30M,
57.58M, 65.90M, 75.44M, 86.35M, 98.84M, 113.14M,
129.51M, 148.24M, 169.68M, 194.23M, 222.33M, 254.49M,
291.30M, 333.44M, 381.67M, 436.88M, 500.08M, 572.42M,
655.22M, 750.00M
SDS2354X HD
50 Ω
1M, 1.14M, 1.31M, 1.50M, 1.72M, 1.97M, 2.25M, 2.57M,
2.95M, 3.37M, 3.86M, 4.42M, 5.06M, 5.79M, 6.63M, 7.59M,
8.69M, 9.94M, 11.38M, 13.03M, 14.91M, 17.07M, 19.54M,
22.36M, 25.60M, 29.30M, 33.54M, 38.39M, 43.94M, 50.30M,
57.58M, 65.90M, 75.44M, 86.35M, 98.84M, 113.14M,
