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The Agilent 85052D 3.5 mm calibration kit is used to calibrate Agilent network analyzers up to 26.5 GHz for measurements of components with 3.5-mm connectors. The 85052D calibration kit includes the following items: User’s and service guide. Offset opens and shorts, and broadband loads. Three 3.5 mm adapters. 5/16 in, 90 N-cm (8 in-lb) torque wrench. 7 mm open-end wrench. Data disk that contains the calibration definitions of the devices in the calibration kit for 8510 systems. Data disk set that contains the specifications and performance verification data for 8510 systems. The broadband loads are metrology-grade terminations that have been optimized for performance up to 26.5 GHz. The rugged internal structure provides for highly repeatable connections. A distributed resistive element on sapphire provides excellent stability and return loss. The offset opens and shorts are built from parts that are machined to the current state-of-the-art in precision machining. The offset short’s inner conductors have a one-piece construction, common with the shorting plane. The construction provides for extremely repeatable connections. The offset opens have inner conductors that are supported by a strong, low-dielectric constant plastic to minimize compensation values. Both the opens and shorts are constructed so that the pin depth can be controlled very tightly, thereby minimizing phase errors. The lengths of the offsets in the opens and shorts are designed so that the difference in phase of their reflection coefficients is approximately 180 degrees at all frequencies.
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