Min/Max - Agilent Technologies 34405A User's And Service Manual

2 Features and Functions
dB
S h i f t

Min/Max

34
You can view and select the R
display as described in
Display" on page 45.
When enabled, the dB operation computes the dBm value for
d B
the next reading, stores the dBm result into the dB Ref
N u l l
N u l l
register and immediately produces the following calculation.
The first displayed reading is always precisely 000.00 dB.
dB = 10 x Log
• You can set dB Ref to any value between 0 dBm and
120.0000 dBm. The default R
• Numeric results are displayed in the range of ± 120.000
dB with 0.01 dB resolution shown, independent of the
number of digits setting.
You can view and edit the dB Ref Value in the secondary
display as described in
Display" on page 45. The dB Ref value is displayed on the
secondary display in the range of ± 120.000 dBm with 0.001
dBm resolution shown.
The Min/Max (Minimum/Maximum) operation stores the
M n M x
minimum and maximum values, the average, and the number
of readings during a series of measurements.
When enabled, the Min/Max operation turns on the MnMx
annunciator and begins accumulating various statistics about
the readings being displayed.
REF
"Editing Values in the Secondary
2
[ (Reading / R ) / 0.001W ] - dB Ref
10 REF
"Editing Values in the Secondary
value in the secondary
is 0 dBm.
REF
34405A User's and Service Guide
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