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8.13.5
Modulation Frequency
When internal modulation source is selected, press [Mod] >
the frequency of the modulating waveform.
⚫
Use the numeric keypad or direction keys and knob to enter the desired frequency
value.
⚫
The modulating waveform frequency range is 2mHz to 1MHz, and the default value
is 100Hz.
Note: This menu will be grayed out and disabled when other modulation sources
except the internal modulation source is selected.
8.13.6
Duty Deviation
Press [Mod] >
or direction keys and knob.
Duty deviation represents the variation (in %) of the modulated waveform Duty relative
to the original pulse Duty.
⚫
Duty deviation range: 0.1% to 49.9%.
⚫
The Duty deviation cannot exceed the current pulse Duty.
⚫
Duty deviation is limited by the minimum Duty and current edge time setting.
When external modulation source is select, the Duty deviation is controlled by the ±4V
signal level on the [FSK/Trig/Sync/Extmod] connector on the rear panel
Copyright © Qingdao Hantek Electronics Co., LTD
Deviation
softkey and input the desired value using the numeric keypad
Modulation
Frequency
softkey to set
HDG3000B User manual
57
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