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discrimination property curve shall not be with amplitude
limiting.
3.3.8.13 [Output power]
Under [Output power] menu, power of spectrum analyzer's
RF output signal can be changed. When output power is
larger, consider to reduce output power of signal for no
occurrence of amplitude limiting.
3.3.8.14 [Input gain ]
According to requirements of tested signal, change output
amplifier's multiple. When amplitude of frequency property
curve is smaller or larger, it is hard to observe.
3.3.8.15 [Scale]
Wave form can be enlarged or narrowed by changing scale,
easy for observation.
3.3.8.16 [DC offset]
Under [DC offset] menu, set [DC offset] to move measured
Sparameter wave form up or down, easy for user's
measurement.
48
3.3.8.17 [Sweep time]
[Sweep time] menu: change time for the sweep of 601 points.
By PEAK on the panel of instrument, max. peak and
center frequency of wave form can be automaticallydisplayed.
3.3.8.18 [Demodulation
Enter demodulation setting. This spectrum analyzer
supports AM, FM and audio demodulation, default to off.
3.3.8.19 [Audio demodulation
Soft menu of audio demodulation pops up.
3.3.8.20 [Audio demodulation On Off]
Enable or disable audio demodulation.
3.3.8.21 [Demodulation mode
Soft menu related with demodulation mode pops up,
including FMW, FM, AM, USB, LSB.
3.3.8.22 [Sound volume]
When audio demodulation is on, adjust sound volume of
loudspeaker.
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