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selected, there is no sync signal output.
10.2 Impedance Settings
The Impedance setting affectsthe output amplitude and DC offset voltage.For the front panel [1]
connector, the HDG3000B(C) has a fixed series output impedance of 50Ω.If the actual load is
different from the specified value, then the displayed voltage level will not match the voltage level
of the components under test. To ensure the correct voltage level, ensure that the load impedance
setting must match the actual load.
Press [Utility] > CH1 Set>Impedancesoftkeyto choose HighZor 50Ω.The default setting is HighZ.
Impedance settings will be displayed on the screen.As shown in the figure below, the impedance
of CH1 is set to "HighZ".
The generator will adjust the output amplitude and offset voltage automatically once the
impedance setting is changed. For example, the current amplitude is 5Vpp and the output
impedance is 50Ω. At this point, change the output impedance to HighZ and the amplitude
displayed on the screen will double to 10Vpp. And the current amplitude is 5Vpp and the output
impedance is HighZ. At this point, change the impedance to 50Ω, the amplitude will reduce to half
of the previous value (2.5Vpp).
Note: Only the displayed values change with the parameter and the real output from the generator
does not change.
Impedance setting
User Manual 71
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