128 Keysight N9927-90001 User’s Guide
Calibration for NA, CAT, and VVM Modes
ECal
ECal is a complete solid-state calibration solution. Every ECal module contains
electronic standards that are automatically switched into position during a
calibration. These electronic standards have been measured at the factory and
the data stored within the memory of the ECal module. The FieldFox uses this
stored data, along with the measured data, to calculate the error terms for a
measurement calibration.
You can perform the following calibrations with ECal:
— 1-Port Reflection calibration
— Full 2-Port calibration
All Keysight USB ECal modules are supported. ECal modules are available in a
variety of connector types, covering many frequency ranges. For information
about available ECal modules, see
http://www.keysight.com/find/ecal
ECals each have a recommended input power level. Depending on the
measurement setup, the FieldFox may default to an input power level that
exceeds your ECal’s recommended input power level. Refer to the
reference guide for your ECal module to determine the correct input power
levels. Exceeding an ECal’s recommended input power level results in a
compression and an invalid data condition. Refer to
www.keysight.com/find/ecal
.
Simple ECal ON
: When choosing
Full 2-port
calibration, if you are able to
connect your ECal simultaneously to both device ports, you should use
Simple ECAL
(i.e, this ensures that you are using the correct Thru
calibration model).
Simple ECal OFF:
Set simple ECal to OFF when you have a test setup
where you cannot connect port 1 and port 2 simultaneously to the ECAL
module (Then during the calibration when prompted: “
Connect port 1 to
port 2
", use a coaxial cable or an appropriate thru adapter to connect port
1 to port 2).
’Unknown THRU’
: When prompted: “
Connect port 1 to port 2
", then you
can connect them, using a coaxial cable or an appropriate thru adapter. Do
NOT use the internal ECal THRU, because the thru calibration will be
incorrect.
‘Flush THRU’
: When prompted: “
Connect port 1 directly to port 2
", then
you must connect the ports directly together at the calibration reference
plane with no adapter or other cabling.
Learn more in
“Calibration Type” on page 132
.
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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 ...
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