Testing Performance
2
7000 Series Oscilloscopes Service Guide
43
Then after converting the values from the power meter to
Vrms:
15
The result from step 14 should be within - 3.0 dB. Record
the result in the Performance Test Record (see
page 57
).
16
Move the power splitter from the channel 1 to the channel
2 input.
17
Turn off the current channel and turn on the next
channel using the channel keys.
18
Repeat steps 3 through 17 for the remaining channels,
setting the parameters of the channel being tested where
appropriate.
response(dB) = 20 log
10
mV
211.2
mV/
210.4
mV
185.3
/
mV
161.6
= -1.16 dB
