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WaveSurfer 3000 Oscilloscopes
Analog Inputs
A series of BNC connectors arranged on the front of the oscilloscope are used to input analog signal on
Channels 1-4. EXT, on the back of the oscilloscope, can be used to input an external trigger pulse.
Channel connectors use the ProBus interface. The ProBus interface contains a 6-pin power and
communication connection and a BNC signal connection to the probe. It includes sense rings for detecting
passive probes and accepts a BNC cable connected directly to it. ProBus offers 50 Ω and 1 MΩ input
impedance and control for a wide range of probes.
The interfaces power probes and completely integrate the probe with the oscilloscope channel. Upon
connection, the probe type is recognized and some setup information, such as input coupling and
attenuation, is performed automatically. This information is displayed on the Probe Dialog, behind the
Channel (Cx) dialog. System (probe plus oscilloscope) gain settings are automatically calculated and
displayed based on the probe attenuation.
Probes
WaveSurfer3000 oscilloscopes are compatible with the included passive probes and all Teledyne LeCroy
ProBus active probes that are rated for the oscilloscope’s bandwidth. Probe specifications and
documentation are available at teledynelecroy.com/probes.
The passive probes supplied with your oscilloscope are matched to the input impedance of the instrument
but may need further compensation. Follow the directions in the probe instruction manual to compensate the
frequency response of the probes.
Digital Inputs
Available with the WS3K-MSO option, the digital leadset
enables input of up-to-16 lines of digital data. Lines can be
organized into two logical groups and renamed appropriately.
The digital leadset features two digital banks with separate
Threshold controls, making it possible to simultaneously view
data from different logic families.
Connecting/Disconnecting the Leadset
To connect the leadset to the oscilloscope, push the connector
into the mixed signal interface below the front panel until you
hear a click.
To remove the leadset, press in and hold the buttons on each side of the connector, then pull out to release
it.
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