Keysight N9927-90001 User’s Guide 121
Calibration for NA, CAT, and VVM Modes
scope of this discussion. Although an OPEN standard is a precision
component, simply leaving
nothing
connected at the end of a cable
can be a reasonable substitute for an OPEN.
— A LOAD standard absorbs almost ALL of the incident signal and very
little signal is reflected back to the source.
— A
THRU
standard is used during some calibration steps to connect PORT 1
to PORT 2 in place of the DUT. A Flush THRU connection can be made
when cables that connect with the DUT can mate with each other. Learn
more in
. Otherwise, any reasonably short
cable can be used as a THRU standard.
Calibration Reference Plane
is the point (or points) at which the DUT and cal
standards are connected during a calibration. This can be at the FieldFox test
port connectors, or at the end of jumper cables or adapters.
CalReady
Every FieldFox contains a factory calibration that was performed at the port 1
and port 2 connectors, with -15 dBm input power, over the entire frequency
range of the FieldFox using a number of data points that allows reasonable
interpolation over the FieldFox frequency range.
This calibration, known as CalReady, allows you to immediately make
measurements of a DUT that is connected directly at the test ports (PORT 1
and/or PORT 2). CalReady corrects measurements when the FieldFox is turned
ON and when a measurement is created with no other correction in place.
When measuring a DUT using a jumper cable or adapter - NOT a direct
connection to a test port connector – then a QuickCal or Mechanical Cal is
recommended. CalReady can also be used to check the integrity of the jumper
cable that is attached to the test ports.
CalRdy
is shown when a measurement is corrected using CalReady.
You can change the properties of the CalReady calibration. Learn more in
.
Learn how to see when your factory CalReady calibration was performed in
“System Information” on page 501
.
How to Perform a Calibration
In CAT, NA, or VVM Mode, press
Cal 5
.
Press
Esc
at any time to end the calibration process.
When performing a calibration that contains a large number of points
(5000 to 10,001 points) be aware that the calibration progress bar may not
move for 2 or 3 minutes during the calibration process.
Содержание N9913A
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Страница 56: ...56 Keysight N9927 90001 User s Guide CAT Cable and Antenna Test Mode 2 Port Insertion Loss Measurements ...
Страница 82: ...82 Keysight N9927 90001 User s Guide TDR Time Domain Reflectometry Option 215 TDR Measurement Settings ...
Страница 106: ...106 Keysight N9927 90001 User s Guide NA Network Analyzer Mode NA Mode Settings ...
Страница 142: ...142 Keysight N9927 90001 User s Guide Calibration for NA CAT and VVM Modes Calibration Method Summary ...
Страница 202: ...202 Keysight N9927 90001 User s Guide SA Spectrum Analyzer Mode Channel Measurements ...
Страница 262: ...262 Keysight N9927 90001 User s Guide IQ Analyzer IQA Option 351 CPU2 Only Other Features Available ...
Страница 286: ...286 Keysight N9927 90001 User s Guide Interference Analyzer SA Mode Option 236 Record Playback SA Option ...
Страница 292: ...292 Keysight N9927 90001 User s Guide Reflection Mode SA Models Option 320 Reflection Mode Settings ...
Страница 316: ...316 Keysight N9927 90001 User s Guide Frequency Offset Using Power Sensor FOPS Option 208 FOPS Settings ...
Страница 332: ...332 Keysight N9927 90001 User s Guide Pulse Measurements Mode Option 330 Pulse Measurement Settings ...
Страница 346: ...346 Keysight N9927 90001 User s Guide VVM Vector Voltmeter Mode Option 308 A B and B A Measurements ...
Страница 370: ...370 Keysight N9927 90001 User s Guide AM FM Metrics SA Only and Option 355 Interpreting AM FM Metrics Error Messages ...
Страница 444: ...444 Keysight N9927 90001 User s Guide Noise Figure Mode Option 356 CPU2 Only Troubleshooting ...
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Страница 550: ...550 Keysight N9927 90001 User s Guide Specifications Data Sheet ...
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