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RIGOL Chapter 13 Signal Source
13-12 MSO2000A/ DS2000A User’s Guide
8. Set the impedance
Press I mpedance to set the output impedance of the signal generator. It can
be set to “HighZ” or “50Ω”.
To Output Arbitrary Waveform
MSO2000A/DS2000A allows users to define their own arbitrary waveform and save it
in the internal or external memory. At most 10 arbitrary waveforms (LocalArb0.arb to
LocalArb9.arb) can be stored in the internal memory. The user-def ined waveform
can contain 1 to 16384 data points (namely 1 pts to 16 kpts).
1. Set the frequency
Press Freq to set the frequency of the signal. The range is from 100 mHz to 10
MHz. For the setting method, please refer to the introduction in “
Parameter
Setting Method”.
2. Set the amplitude
Press Amp to set the amplitude of the signal. When the impedance is set to
HighZ, the range is from 20 mVpp to 5 Vpp; when the impedance is set to 50 Ω,
the range is from 10 mVpp to 2.5 Vpp. For the setting method, please refer to
the introduction in “
Parameter Setting Method”.
3. Set the DC offset voltage
Press Offset to set the DC offset of the signal. When the impedance is HighZ,
the range is from (-2.5 V + the current amplitude/ 2) to (2.5 V - the current
amplitude/2); when the impedance is set to 50 Ω, the range is from (-1.25 V +
the current amplitude/2) to (1.25 V - the current amplitude/2). For the setting
method, please refer to the introduction in “
Parameter Setting Method”.
Note: The offset value only contains three effective digits. For example, when
the amplitude is set to 30 mVpp (the impedance is 50 Ω), the offset range
calculated is from -1.235 V to 1.235 V, while the actual offset range is -1.23 V to
1.23 V.
4. Set the start phase
Press Start to set the start phase of the signal. The range is from 0° to 360°.
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