5
.
Panel Operation
DC). Press , , , or to select a desired carrier wave
shape.
(3) Set carrier wave parameters
Press the wave shape key of the selected carrier wave to display the
waveform and parameters of the carrier wave. You can change the
parameters of the carrier wave,please refer to Output Sine Wave on page7.
Press the corresponding carrier waveform key to return to the modulation
mode interface or press the Mode key to return to select the modulation
selection mode.
(4) Select modulating wave shape
Press the Shape softkey, then press the Sine, Square, Ramp or Noise
softkey to select the modulating wave.
(5) Set modulating wave frequency
Press the Frequency softkey to set the modulating wave frequency. The
range is 2 mHz – 100 kHz (for internal source only).
(6) Set phase deviation
Press the Deviation softkey to set the PM phase deviation.Phase
deviation is the deviation of the modulating wave phase relative to the
carrier wave phase. The range of phase deviation is from 0° to 180°.
FSK (Frequency Shift Keying)
Frequency Shift Keying modulation is a modulation technique that shifts the
output signal frequency between two frequencies: the carrier frequency and
hop frequency. The shift frequency (FSK rate) is determined by the internal
signal level. The FSK user interface is shown below.
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