82 Keysight N9010A EXA Service Guide
Instrument Messages
Advisory Messages
Fixed LO freq should be greater than RF
Stop freq
The setup frequencies break the rules for a downconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The LO fixed freq should
be greater than the RF freq’s for an LSB or DSB (for DSB
measurements the setup uses LSB values) downconverter setup.
Use the graph icon on the DUT setup form to clarify the setup
required.
LO Fixed freq should be greater than RF
Stop freq
The setup frequencies break the rules for a downconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The LO fixed freq should
be greater than the RF Stop freq’s for an LSB or DSB (for DSB
measurements the setup uses LSB values) downconverter fixed LO
setup. Use the graph icon on the DUT setup form to clarify the
setup required.
LO Start freq should be greater than RF
Start freq
The setup frequencies break the rules for a downconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The LO start freq should
be greater than the RF Start freq’s for an LSB downconverter
swept LO setup. Use the graph icon on the DUT setup form to
clarify the setup required.
LO Stop freq should be greater than RF
Stop freq
The setup frequencies break the rules for a downconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The LO Stop freq should
be greater than the RF Stop freq’s for a DSB (for DSB
measurements the setup uses LSB values) downconverter swept
LO setup. Use the graph icon on the DUT setup form to clarify the
setup required.
RF Start freq should be greater than IF
Fixed freq
The setup frequencies break the rules for a downconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The RF Start freq
should be greater than the IF Fixed freq for a DSB (for DSB
measurements the setup uses LSB values) downconverter swept
LO setup. Use the graph icon on the DUT setup form to clarify the
setup required.
RF Start freq should be greater than IF
start freq
The setup frequencies break the rules for a downconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The RF start freq should
be greater than the IF Start freq’s for an LSB downconverter fixed
LO setup. Use the graph icon on the DUT setup form to clarify the
setup required.
RF Start freq should be greater than LO
fixed freq
The setup frequencies break the rules for a downconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The RF start freq should
be greater than the LO fixed freq’s for an USB downconverter fixed
LO setup. Use the graph icon on the DUT setup form to clarify the
setup required.
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