Instructions

Chapter 2 Functions of the Front Panel of GPSA RIGOL
RSA3000E User Guide 2-89
3. Demod Time
Sets the time for the analyzer to complete a signal demodulation after each
sweep. If Earphone is set to "On", you will hear the sound of the demodulated
signal through the earphone during the demodulation. You can use the numeric
keys, the knob or the arrow keys to modify this parameter. For details, please
refer to descriptions in "
Parameter Setting".
Table 2-63 Demod Time
Parameter
Remarks
Default
100 ms
Range
5 ms to 1 ks
Unit
ks, s, ms, μs, ns, ps
Knob Step
1 ms
Arrow Key Step
1 ms
4. Signal Gain State
Sets the signal gain state to "Manual" or "Auto".
5. Signal Gain
Sets the signal gain to adjust the signal energy. When the signal amplitude is
small, the better demodulation effect can be obtained by adjusting the gain
value. You can use the numeric keys, the knob or the arrow keys to modify this
parameter. You can also use the touch screen to modify the parameter. For
details, please refer to "Parameter Setting".
Table 2-64 Signal Gain
Parameter
Remarks
Default
7
Range
1 to 7
Unit
N/A
Knob Step
1
Arrow Key Step
1
Shortcut Key
Auto Tune
Automatically searches for the signal within the full frequency range, and adjusts the
frequency and amplitude for optimal display effect of the signal to realize one-key
signal search and auto setting of parameters.