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Differential probes appeal to users with high signal fidelity and easy operation

Fri, 10/07/2011 - 8:20am
ECN Europe

Rohde & Schwarz’s newly developed differential probes offer very low noise (typ. 3 mV) and a wide dynamic range.

Their high DC input impedance of 1 megaohm and low input capacitance (0.6 pF) ensure that the load on the DUT’s operating point remains low. The wide dynamic range (+/- 5 V) even at high frequencies allows measurements on fast ground-referenced signals and prevents distortion.

Offset and gain errors are low throughout the entire temperature range, which means that users do not have to interrupt their measurements for compensation or recalibration when temperatures vary.

The base unit can easily be controlled from the probe thanks to the micro button in the probe tip. Functions such as Run/Stop, Autoset or screen dump can be assigned to this button for easy use. The probe tip also accommodates the R&S ProbeMeter, which delivers DC measurement results for common mode and differential voltage regardless of the base unit’s settings. This is the first time that a differential probe enables the user to determine the common mode operating point at a glance.

The probes can be connected to the R&S RTO and R&S RTM oscilloscopes and also to the Rohde & Schwarz spectrum and network analyzers by using the R&S RT-ZA9 probe adapter.

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