Agilent Technologies E4419B - Effect of Offsets on a Channel Measurement; Effect of Offsets on a Maths Measurement

Power Meter Operation
Setting Offsets
2-40 Agilent E4419B User’s Guide
2. The power meter displays the offset value in a pop up window.
Modify this offset (see below) as desired.
■ Use or to modify the digit on which the cursor is
currently positioned.
■ Use or to move to other digits.
3. To confirm your choice press .
4. is automatically set to “On” when a value is
entered using .
Display offsets can be disabled and re-enabled simply by pressing
.
The display offset is a function of the window. That is, if you have selected
a two window display each can have its own offset.
Figure 2-8 and Figure 2-9 display the effects of the channel and display
offsets on the power meter’s displayed reading.
Figure 2-8: Effect of Offsets on a Channel Measurement
Figure 2-9: Effect of Offsets on a Maths Measurement
† Channel Offset entered using , or
, .
†† Display Offset entered using , .
dB
Offset Off On
Offset
Offset Off On
Ch Input with
Ch Input
Ch
Offset
†
Display
Offset
††
READING
ON POWER
METER
DISPLAY
Ch Input with Ch Offset and
Ch Offset
Display Offset
ChA Input with Ch Offset
Math, A, B, A-B,
B-A, A/B, B/A,
ChA Input
ChA
Offset
†
ChB Input with Ch OffsetChB Input
ChB
Offset
†
Display
Offset
††
READING
ON POWER
METER
DISPLAY
Result with
Display Offset Applied
Result
System
Inputs
A Input Settings
B Input Settings
Offset
Rel
Offset
Offset
HP4402.book Page 40 Thursday, November 30, 2000 1:39 PM