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8 GHz Z-Active Differential Probe
Tektronix' active probe architecture preserves high bandwidth while providing improved connectivity with low loading. The Z-Active architecture is a hybrid approach composed of a distributed attenuator topology feeding an active probe amplifier. With Z-Active architecture, the P7380A uses a passive probe tip element that is separate from the amplifier, extending the usable reach of the probe. The P7380A architecture maintains high DC input resistance and a higher AC impedance than previous probe architectures while providing significant length between the probe body and the probe attachment point to the DUT. This architecture provides the best of both worlds, high DC impedance along with the stable high frequency loading of Z0 probes.