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LeCroy offers 'fastest' differential scope probe

Steve Bush
Monday 15 March 2010 09:39

LeCroy has introduced what it claims is the fastest differential scope probe yet.

"The WaveLink D2505 25GHz solder-in probe is the fastest probe currently available and is well-matched to the WaveMaster 8 Zi oscilloscope product line, which includes bandwidths up to 30 GHz," said LeCroy. "Now, engineers who find it insufficient to use SMA cables to input signals directly into their oscilloscope can use a D2505 and a 825Zi to achieve 25GHz of scope and probe bandwidth - an industry first."

Rise time is 17.5ps for a 25GHz probe used with a 25 GHz oscilloscope, "the same as the oscilloscope-only rise time", claimed the firm.

Baseline electrical noise is 3.1mVrms at 25 GHz and 1.6mVrms at 13GHz.

AC loading is 350 Ohms at 7GHz, 575 Ohms at 13GHz, 325 Ohms at 16GHz, 160 Ohms at 20GHz, and 120 Ohms at 25GHz.

The transmission line design has an attenuating tip followed by an amplifier feeding a differential transmission line to the scope.

"The damping resistors on the solder-in tip are field replaceable so that an engineer faced with a damaged tip can simply solder a new damping resistor to the tip and resume work," said LeCroy.

Each probe comes with 10 spare damping resistors, and more can be ordered.

Photo of LeCroy 25GHz probe kit

 

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