Language Reference

CALibration Subsystem

Remarks:

A valid service password needs to be entered prior to

 

sending the command.

Front Panel

 

Access:

Enter service password and press System, Diagnostics

Adjust the Level of the 321.4 MHz Alignment Signal

:CALibration:REF321

:CALibration:REF321?

Calculate the curve coefficients for setting the level of the 321.4 MHz alignment signal.

Remarks:

A valid service password needs to be entered prior to

 

sending the command.

Front Panel

 

Access:

System, Diagnostics

50 MHz Reference Alignment Signal

Process

Process Step Description

Command

 

 

 

Both

Attach a 50 MHz signal to the RF input.

 

 

 

 

Automatic

Does the entire procedure

CAL:REF50[:DOIT]

 

 

 

Interactive

Enter the interactive mode

CAL:REF50:ENTer

 

 

 

Interactive

Tell the instrument what the external

CAL:REF50:AMPL

 

signal’s power is. (approx. -25 dBm)

 

 

 

 

Interactive

Proceed with the adjustment phase.

CAL:REF50:ANOW

 

 

 

Interactive

Exit from the interactive mode.

CAL:REF50:EXIT

 

 

 

Query

Return the last alignment value of the

CAL:REF50:LAST:ALEVel?

 

absolute level of the 50 MHz cal signal.

 

 

 

 

Query

Return the last alignment value of the

CAL:REF50:LAST:ALCDac?

 

ALC DAC.

 

 

 

 

External Signal Power for Internal 50 MHz Amplitude

Reference Alignment

:CALibration:REF50:AMPL <power>

:CALibration:REF50:AMPL?

You must set this value equal to the actual amplitude of the external 50 MHz amplitude reference signal applied to the RF INPUT connector.

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Chapter 5

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Agilent Technologies E4406A VSA manual Adjust the Level of the 321.4 MHz Alignment Signal, MHz Reference Alignment Signal
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E4406A VSA specifications

The Agilent Technologies E4406A Vector Signal Analyzer (VSA) is a sophisticated instrument designed for the analysis of complex signals. This versatile device is widely used in various fields, including telecommunications, broadcasting, and aerospace, thanks to its high-performance capabilities and advanced features.

One of the standout characteristics of the E4406A is its ability to analyze digital modulation schemes. It supports a wide range of formats, including 2G, 3G, 4G, and emerging standards, providing a comprehensive tool for engineers and researchers working with modern communication systems. The VSA is particularly valued for its flexibility in signal analysis, allowing users to capture and demodulate signals in real-time.

The E4406A utilizes advanced measurement technologies that ensure precise signal analysis. With a frequency range from 50 kHz to 6 GHz, the VSA can handle various applications, making it a suitable choice for both R&D and production testing. The instrument employs digital signal processing techniques, enabling high-resolution measurements and exceptional dynamic range. This ensures accurate interpretation of signals, even in the presence of noise or interference.

Another significant feature of the E4406A is its user-friendly interface. The combination of a graphical display and intuitive controls allows users to visualize complex waveforms and spectra easily. The software capabilities of the E4406A further enhance its usability, providing various analysis options including error vector magnitude (EVM), adjacent channel power (ACP), and spectrum occupancy. These tools allow engineers to diagnose issues rapidly and efficiently optimize their designs.

The modularity of the E4406A is a key aspect of its design. Users can upgrade their instrument with various option packs and software for specific applications, making it adaptable to a variety of testing scenarios. This flexibility ensures that the VSA remains relevant as technology evolves and new standards emerge.

In conclusion, the Agilent E4406A Vector Signal Analyzer stands out due to its combination of advanced measurement capabilities, user-friendly interface, and adaptability. Its extensive feature set makes it an essential tool for professionals involved in the development and testing of modern communication systems. Whether for research, design validation, or quality control, the E4406A delivers high-performance signal analysis that meets the demands of today's fast-paced technology landscape.
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