Calibration Kit Overview; Kit Contents - Keysight Technologies 85052C User's And Service Manual

General Information

Calibration Kit Overview

Calibration Kit Overview
The Keysight 85052C 3.5 mm calibration kit is used to calibrate Keysight network analyzers up to 32 GHz for
measurements of components with 3.5 mm connectors.
The 85052C is designed to be used in TRL 2-Port measurement calibration as implemented in vector network
analyzers. TRL stands for Thru-Reflect-Line, naming the main standards used in the accuracy enhancement
procedure.
The 3.5 mm connector is the most frequently used connector for frequency coverage up to 32 GHz. Well
constructed 3.5 mm connectors and transmission lines can work up to 34 GHz. Metrology grade versions of
this connector are used for high performance test ports and for calibration standards. All 3.5 mm female
connectors are of the precision slotless (PSC-3.5) type. These connectors are designed for long repeatability
when used with appropriate connector care and connection technique. SMA, SMA-compatible, or 3.5 mm
connectors used on the test ports, adapters, cables, and calibration standards provide the most accurate
and repeatable measurements.
TRL (Thru-Reflect-Line) represents a family of calibration techniques that measure various combinations of
precision transmission lines and reflection standards to determine the 2-Port, 12-term VNA error
coefficients. The specific calibration techniques described here use measurements of the zero-length thru
(T), reflection standards (R) at each port, and one or more lengths of precision transmission line (L) of the
same impedance to cover the desired calibration frequency range. At low frequencies where the required
transmission line length becomes too long for precision work, the TRM (thru-reflect-match) calibration is
used. The fixed loads in the kit are used as matched standards.
The 85052C calibration kit can also be used to perform 1-port calibrations using the open-short-load (OSL)
and open-short-offset load techniques. The precision transmission lines can be used as precision offsets for
the offset load calibrations.

Kit Contents

The 85052C 3.5 mm Precision Calibration Kit contains components useful for several different calibration
techniques. The parts used for the TRL 2-Port calibration are:
• longer precision air line for 2 to 7 GHz
• shorter precision air line for 7 to 32 GHz
• male and female short circuits
• male and female open circuits
• male and female fixed loads
Other parts included are:
• three precision TRL adapters
• two adapter anti-rotation clamps
• airline insertion tools
• 5/16 inch, 90 N-cm (8 in-lb) torque wrench
• spanner wrench
1-2 85052C