Ceyear 4041 Series, User Manual

Page: 89 / 203

Chapter IV Spectrum Analyzer Mode
77
IQ Capture
Off On
Start Capture
IQ Capture
Capture Time
1.000us
Capture Mode
Single Cont
Sample Rate
5.000MHz
Triggering
[Free Run]
Save Name
[IQCapt...]
< Back
>
·[IQ Capture Off On]: Press
【
Measure
】 →[More 1 of 2]→[IQ Capture]→[IQ
Capture Off On] to enable or disable the IQ capture function.
·[Start Capture]: Press
【
Measure
】 →[More 1 of 2]→[IQ Capture]→[Start Capture] to
start to acquire IQ data.
·[Capture Time]: Press
【
Measure
】 →[More 1 of 2]→[IQ Capture]→[Capture Time]
to set the IQ capture time.
·[Capture Mode]: Press
【
Measure
】
→[More 1 of 2]→[IQ Capture]→[Capture Mode]
to set the IQ capture mode as single or continuous capture. When the single capture
mode is selected, the analyzer acquires IQ data once and stops. When the continuous
capture mode is selected, the analyzer keeps acquiring IQ data after each sweep until
you or your setting stop it.
·[Sample Rate]: Press
【
Measure
】 →[More 1 of 2]→[IQ Capture]→[Sample Rate] to
set the sample rate for IQ capture.
·[Triggering]: Press
【
Measure
】 →[More 1 of 2]→[IQ Capture]→[Triggering]. The
trigger types include [Free Run] and [External Trigger]. When the external trigger is
selected, [Slope] and [Delay] can be set.
·[Save]: Press
【
Measure
】 →[More 1 of 2]→[IQ Capture]→[Save] to save the data
acquired.
Tune&Listen
Off On
Tune&Listen
Demod Type
FM
Listen Time
100.000ms
Listen Mode
Int Cont
Volume
95
信号跟踪
关 开
< Back
>
>
·[Tune&Listen Off On]: Press
【
Measure
】
→[More
1 of
2]→[Tune&Listen]→[Tune&Listen Off On] to enable or disable the audio
demodulation function.
·[Demod Type]: Press
【
Measure
】
→[More 1 of 2]→[Tune&Listen]→[Demod Type]
to select the type of demodulation. [FM], [AM], [USB] and [LSB] demodulation are
available.
·[Demod Time]: Press
【
Measure
】
→[More 1 of 2]]→[Tune&Listen]→[Demod Time]
to set the demodulation time.
·[Demod Mode]: Press
【
Measure
】 →[More 1 of 2]]→[Tune&Listen]→[Demod
Mode] to select the demodulation mode. The default mode is intermittent
demodulation. In the intermittent demodulation mode, after one sweep completes the
demodulation begins and keeps for the set demodulation time; When the demodulation
finishes, another sweep begins and completes, and the demodulation starts again. The
process cycles in this way. In the continuous demodulation mode, the demodulation
keeps after one sweep finishes, and the sweep does not start again.
·[Volume]: Press
【
Measure
】
→[Tune&Listen]→[Volume] to set the volume of the
speaker in demodulation mode.
You can enable or disable the tracking mode to switch from dot frequency generation to sweep frequency
generation or reversely. The tracking generator function can be used to measure the frequency response of the
device under test.