Agilent Technologies introduced the InfiniiMax III+ differential probes, a new generation of 4 GHz, 8 GHz and 13 GHz differential active probes for general-purpose, high-speed differential bus probing. The company also introduced new QuickTip accessories for InfiniiMax probes to help engineers make quick and reliable measurements.
The new probes work with the full array of InfiniiMax III probe heads, including a wide range of solder-in probe heads, a browser head, ZIF (zero insertion force) tips, 2,92 mm/3,5 mm/SMA heads and the new QuickTip head. With a single connection, InfiniiMax III+ probes can be set to measure the differential signal, the single-ended A or B signals, and the common-mode component of a differential signal.
As with InfiniiMax III technology, the unique S-parameters of each InfiniiMax III+ probe amp are stored in the probe amp and are used with the S-parameters of the various probe heads to further flatten the magnitude and phase response of the probe for higher accuracy.
Three probe heads are available that support InfiniiMode measurements: the N2836A solder-in probe head, which provides the full 13 GHz bandwidth for all modes with low signal loading; the N2848A QuickTip probe head, which provides quick connect/disconnect capability; and the N5444A 2,92 mm/3,5 mm/SMA probe head for cabled connections, which provides full bandwidth measurement of all modes and the ability to terminate to a non-zero voltage.
The N2848A QuickTip probe head quickly snaps to the N2849A probe tip using a magnetic connection. Unlike implementations that use a magnet to mechanically hold together separate electrical contacts, the QuickTip design uses three small, gold-plated magnets as the actual contacts to gold-plated steel buttons on the probe tip. Multiple N2848A probe tips can be installed on a device under test, allowing quick and reliable measurements of many probe points.
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