Network Analyzer Concurrent Port Calibration
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Solution Overview
Problem
Network analyzers require frequent calibration to correct systematic errors and account for cable and fixture characteristics, which is a time-consuming and cumbersome process, affecting measurement accuracy and reliability.
Innovation Solution
Implementing a network analyzer system with at least two ports, where a first operational device performs a task concurrently with a second operational device connected to a second port, maximizing port usage and efficiency by running tasks in parallel, thereby reducing user effort and calibration time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If calibration is performed frequently to correct systematic errors and account for cable/fixture characteristics, then measurement accuracy and reliability are improved, but time consumption and operational complexity increase
Solution Approach 1:
The calibration process is segmented into multiple independent tasks that can be performed concurrently on different ports. Instead of performing a single comprehensive calibration sequentially, the system divides calibration into port-specific tasks that can be executed in parallel, reducing total calibration time while maintaining accuracy.
Solution Approach 2:
The system enables continuous calibration operations by allowing multiple calibration tasks to overlap in time across different ports. While one port undergoes calibration, another port can simultaneously perform measurement tasks or calibration activities, ensuring the network analyzer is continuously productive without idle time.
2Productivity
If multiple tasks are performed concurrently on different ports, then productivity and efficiency are improved, but system complexity and coordination requirements increase
Solution Approach 1:
The network analyzer is designed with multi-functional capability to handle different types of tasks (calibration, measurement, verification) on multiple ports simultaneously. Each port can independently execute various task types, and the system coordinates these diverse operations through a unified control architecture that manages resource allocation and task scheduling.
Solution Approach 2:
A control system acts as an intermediary between multiple operational devices and the network analyzer ports. This intermediary coordinates task execution, manages data flow, and synchronizes operations across ports, reducing the complexity burden on individual components while enabling concurrent productivity.
3Reliability
If calibration procedures are made comprehensive to account for all systematic errors, then measurement reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The system enables self-service calibration where the network analyzer automatically performs comprehensive calibration tasks without requiring manual intervention for each step. The automated system executes multi-port calibration procedures, manages error corrections, and verifies results, maintaining high reliability while significantly improving ease of operation through reduced user burden.
Data Source
AI summary
A network analyzer system includes a network analyzer having at least two ports, a first operational device connected a first port of the at least two ports of the network analyzer and configured to perform a first task with the network analyzer, and a second operational device connected a second port of the at least two ports of the network analyzer and configured to perform a second task with the network analyzer. The second task is performed at least partially concurrently with the first task.