Setting the termination voltage
Oscilloscope inputs have traditionally been terminated to ground. The signals being measured often are not ground referenced.
Pulling signals to ground can impair measurement results or potentially damage the DUT. Termination voltage is available on
TekConnect channels, but not ATI channels.
The instrument delivers a variable termination voltage up to ±3.5 volts to the device under test (DUT), and supports a large offset
range. This allows you to adjust the oscilloscope to mirror the conditions and behavior of the DUT, and measure high-speed
signals in an environment similar to the one in which they operate.
Using the combination of termination voltage and offset to center the oscilloscope reference point in the operating range of the
DUT maximizes the available dynamic range and minimizes the noise of the measurement system.
To set the termination voltage of a channel, do these steps:
1. Select Vertical > Vertical Setup.
2. Click in the Termination Voltage field.
Set the termination voltage using the
keypad or multipurpose knobs.
Acquisition
66 DPO70000SX Series User
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