VNA GUI Reference
R&S
®
ZNL/ZNLE
487
User Manual 1178.5966.02 ─ 07
Example:
The impedance of an antenna with possible faults is measured using a time
gate and a variable length offset. If "Adjust Time Gate" is off, the time gate is at a con-
stant distance from the offset-corrected reference plane (end of the offset transmission
line). Its absolute position is varied along with the length offset.
If "Adjust Time Gate" is on, the time gate is moved to left (right) when the offset-correc-
ted reference plane is moved to the right (left). Its absolute position remains fixed. With
this setting, it is possible, e.g., to keep the time gate at the position of the antenna con-
nector while the antenna is measured at different length offsets.
Remote command:
CALCulate:FILTer[:GATE]:TIME:AOFFset
Auto Length
Adds an electrical length offset to the selected test port with the condition that the
residual delay of the active trace (defined as the negative derivative of the phase
response) is minimized across the entire sweep range. If "Delay" is the selected trace
format, the entire trace is shifted in vertical direction and centered on zero. In phase
format, the "Auto Length" corrected trace shows the deviation from linear phase.
If the measured quantity is a ratio, or if it is derived from a ratio, its receiving port is
given as the index of the wave quantity in the numerator. If the active trace shows an
S-parameter S
ij
, then "Auto Length" adds a length offset at port i.
Chapter 8.6.1.3, "Auto Length"
Remote command:
[SENSe<Ch>:]CORRection:EDELay<PhyPt>:AUTO
9.14.2.2
Fixture Compensation Dialog
This dialog allows you to correct the measurement result for the effects of a test fixture.
Offset Embed Softtool
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