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Keysight Electronic Calibration Modules
RF/Microwave Two Port
Reference Guide
1 General Information
Manual Overview
The purpose of this manual is to help you use your Electronic Calibration (ECal)
module confidently and effectively. ECal is a precision, single-connection
calibration technique which uses fully traceable and verifiable electronic
standards. Each module has unique S-parameter data that is stored in the
module's memory. During calibration, ECal uses this data to calculate the error
terms for your network analyzer.
This manual provides instructions for operating and maintaining your ECal
module. Also included are mechanical specifications and replaceable parts
available for each model.
The N4690/1/2/3/4/6D series provide two-port calibration solutions with
operating frequencies starting as low as DC and ending as high as 67 GHz. and
N7550/1/2/3/4/5A series provide two-port calibration solutions with operating
frequencies starting as low as DC and ending as high as 26.5 GHz. The
N4431/2/3D series provide four-port calibration solutions with operating
frequencies starting as low as DC and ending as high as 26.5 GHz.
Prerequisite Knowledge
This manual assumes you are trained in proper connector care. Because an
accurate calibration depends on the integrity and cleanliness of the connector
interface, a damaged connector will invalidate the calibration achieved with
that module. Refer to the “Connector Care” on page 2-10.
Clarifying the Terminology of a Connector Interface
In this manual, adapters, ECal modules, and gage masters are referred to by
way of their interface connector. For example:
— A female adapter has a female interface.
— A male adapter has a male interface.
A connector gage is referred to by way of the connector it measures. For
example:
— A male connector gage has a female interface so it can measure male
devices.
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