Keysight N9010A EXA Service Guide 83
Instrument Messages
Advisory Messages
RF Start freq should be greater than LO
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 LO Start freq’s for an USB downconverter
swept LO setup. Use the graph icon on the DUT setup form to
clarify the setup required.
RF Stop freq should be greater than IF
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 RF Stop freq should
be greater than the IF Stop freq’s for an USB 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.
IF Fixed freq should be greater than LO
Stop freq
The setup frequencies break the rules for an upconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The IF fixed freq should
be greater than the LO Stop freq for a USB upconverter swept LO
setup. Use the graph icon on the DUT setup form to clarify the
setup required.
IF Fixed freq should be greater than RF
Stop freq
The setup frequencies break the rules for an upconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The IF fixed freq should
be greater than the RF Stop freq for an upconverter swept LO
setup. Use the graph icon on the DUT setup form to clarify the
setup required.
IF Start freq should be greater than LO
Fixed freq
The setup frequencies break the rules for an upconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The IF start freq should
be greater than the LO fixed freq for an USB upconverter fixed LO
setup. Use the graph icon on the DUT setup form to clarify the
setup required.
IF Start freq should be greater than RF
Start freq
The setup frequencies break the rules for an upconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The IF start freq should
be greater than the RF Start freq for an upconverter fixed LO
setup. Use the graph icon on the DUT setup form to clarify the
setup required.
LO Fixed freq should be greater than IF
Stop freq
The setup frequencies break the rules for an upconverter
measurement. The measurement will still run, but check setup
frequencies are correct before continuing. The LO fixed freq should
be greater than the IF Stop freq for an LSB upconverter fixed LO
setup. Use the graph icon on the DUT setup form to clarify the
setup required.
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