38 S-Series Oscilloscopes Service Guide
3 Testing Performance
10 Calculate the reference gain as follows:
Record this value in the Calculated Gain @50 MHz column in the Analog
Bandwidth—Maximum Frequency Check section of the Performance Test
Record.
11 Change the generator frequency to the maximum value for the model being
tested as shown in the table below. It is not necessary to adjust the signal
amplitude at this point in the procedure.
Gain
50 MHz
V
out @50 MHz
V
in @50 MHz
----------------------------------=
Setting
Model
DSOS804A
MSOS804A
DSOS604A
MSOS604A
DSOS404A
MSOS404A
DSOS254A
MSOS254A
DSOS204A
MSOS204A
DSOS104A
MSOS104A
DSOS054A
MSOS054A
Maximum
Frequency
8 GHz 6 GHz 4 GHz 2.5 GHz 2 GHz 1 GHz 500 MHz
Scope Horizontal
Scale
100 ps/div 150 ps/div 200 ps/div 320 ps/div 400 ps/div 800 ps/div 1.6 ns/div
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