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5.12.1 Select OSK Modulation
Press [Mod] >Type > OSKsoftkey to enable OSK function.
When Mod is enabled, Sweep or Burst will be disabled automatically.
After OSK is enabled, the instrument will generate OSK waveform with the currently specified
carrier and modulating waveforms. To avoid multiple waveform changes, enable modulation
after configuring the other modulation parameters.
5.12.2 Carrier Waveform Shape
OSK carrier waveform can only be sine waveform. Press [Wave]> Sine softkeyon the front panel
to select.
5.12.3 Carrier WaveformFrequency
For different carrier waveforms, the settable range of carrier frequency is different. Please refer to
"Frequency Characteristics" in "
Specifications".The default value is 1kHz.
Press [Setting] > Frequency softkey on the front panel, and then use the numeric keypad or
direction keys and knob to input the desired frequency value.
5.12.4 Modulation Source
Press [Mod] > Source softkey to select Internal (default) or External as the modulation source.
Internal Source
When internal modulation source is selected, the modulating waveform is set as a Square with
50% duty cycle, and the intermittence time and oscillate time of the output signal is determined by
the OSK "Rate".
User Manual 51
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