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8.6.6
Hopping Frequency
The range of hopping frequency depends on the carrier waveform currently selected.
Refer to "Frequency Characteristics" in Specifications.
Press [Mod] >
input the desired frequency value.
8.7
PSK Modulation
Users can configure the instrument to "shift" its output phase between two preset values
using PSK modulation. The rate at which the output shifts between the two phases
(called the "carrier phase" and the "modulation phase") is determined by the internal
signal level of the instrument or the signal level on the [FSK/Trig/Sync/Extmod]
connector on the rear panel.
8.7.1
Select PSK Modulation
Press [Mod] >
⚫
When
Mod
⚫
After PSK is enabled, the instrument will generate PSK waveform with the currently
specified carrier and modulating waveforms. To avoid multiple waveform changes,
enable modulation after configuring the other modulation parameters.
8.7.2
Carrier Waveform Shape
PSK carrier shape: Sine (default), Square, Ramp, Pulse, Arbitrary (except DC) or
Harmonic
waveform.
⚫
Press [Wave] button on the front panel to select the desired carrier waveform.
⚫
Noise and DC could not be used as carrier waveform.
8.7.3
Carrier Waveform Phase
Press [Setting] >
direction keys and knob to input the desired phase.
The available phase ranges from 0º to 360º and the default value is 0º .
Copyright © Qingdao Hantek Electronics Co., LTD
HopFreq
softkey. Use the numeric keypad or direction keys and knob to
Type
>
PSK
softkey to enable PSK function.
is enabled,
Sweep
or
Burst
Phase
softkey on the front panel and use the numeric keypad or
will be disabled automatically.
HDG3000B User manual
Modulation
47
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