generator to a reference frequency of 50 MHz. (See Figure 22: Channel
bandwidth test hookup, ≥ 3.5 GHz models on page 233.)
Figure 22: Channel bandwidth test hookup, ≥ 3.5 GHz models
2. Confirm the input channels are within limits for bandwidth: Do the following
substeps - test Ch 1 first, skipping substeps 2.aand 2.bsince Ch 1 is already
set up for testing from step 1.
a. Select an unchecked channel:
■
MSO/DPO71254C and MSO/DPO72504DX: Press Cursors to
remove cursors from the display.
■
From the button bar, touch Measure and then Clear All to remove
the previous measurement.
■
Press the Vertical button of the channel just confirmed to remove the
channel from the display.
■
Press the front-panel Vertical button that corresponds to the channel
you are to confirm.
■
DPO7354C: Touch Vertical, select Vertical Setup, and then touch
Termination 50 Ω.
■
Move the test setup to the channel you selected.
Table 13: Channel bandwidth >20 GHz models
Vertical scale Reference
amplitude
(6 div)
Horizontal scale Test frequency -3 dB limits
MSO/DPO/
73304DX
MSO/DPO/
72504DX
MSO/DPO/
72304DX
6.25 mV 37.5 mV 1 ns 33 GHz 24.9 GHz 23 GHz ≥26.5 mV
10 mV 60 mV 1 ns 33 GHz 24.9 GHz 23 GHz ≥42.4 mV
Performance verification (MSO/DPO70000C, MSO/DPO70000DX, and DPO7000C series)
MSO70000C/DX, DPO70000C/DX, DPO7000C, MSO5000/B, DPO5000/B Series 233
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