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Anritsu 373XXA manual Service Strategy, 8SERVICE Strategy

Models: 373XXA

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GENERAL INFORMATION

SERVICE STRATEGY

1-8SERVICE STRATEGY

This paragraph provides an overview of the 373XXA VNA service strat-

 

egy and available service facilities. It also provides references to the infor-

 

mation in various locations in this manual needed to accomplish the serv-

 

ice functions required for the 373XXA VNA.

 

Appendices - Refer to the Appendices at the rear of this manual for de-

 

tailed descriptions of the following:

 

￿ Diagnostics Menus and GPIB Commands.

 

￿ Error Messages.

 

￿ System Block Diagrams.

 

￿ Parts Locator Diagrams.

Functional Assembly

The 373XXA modular design, extensive built-in diagnostics, and auto-

Level Troubleshooting

mated service tools are designed to support fast exchange of functional as-

 

sembly level repairs.

 

Failed assemblies are not field repairable. Once an assembly is found

 

to be faulty, it should be returned to an authorized ANRITSU Service

 

Center for exchange. Refer to the description of the Exchange Assem-

 

bly Program in Chapter 2, Replaceable Parts.

 

The procedures for troubleshooting a failed 373XXA VNA are de-

 

scribed in this manual in Chapter 5, Troubleshooting.

Internal Hardware

There are five automated internal hardware field calibrations. Two of

Adjustments and

them are used to characterize the 373XXA frequency and power genera-

Calibrations

tion sub-systems. These calibrations insure fast, consistent phase lock of

 

system frequencies and proper compensation, leveling, and flatness of

 

system power at the front panel test ports.

 

To conduct these calibrations, you need only connect the appropriate

 

test equipment (counter or power meter) to the 373XXA and initiate

 

the calibration. The 373XXA will control itself and the externally con-

 

nected test equipment to perform measurements and store calibration

 

constants in its internal battery backed RAM (BBRAM).

 

The procedures for adjusting the 373XXA VNA are described in this

 

manual in Chapter 6, Adjustments.

Internal Service Log

The 373XXA continuously monitors itself for proper operation. Should a

 

failure occur, it notifies the user via a failure message on the display

 

screen. (In remote-only operation, it also sets the GPIB Status Byte, if

 

enabled.) It also writes the error message along with some data pertinent

 

to the failure to an internal service log stored in battery backed memory.

 

The service log can be checked at any time to view (without erasing)

 

all error messages that were written into it. It is capable of storing

373XXA MM

1-5

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Anritsu 373XXA manual Service Strategy, 8SERVICE Strategy
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373XXA specifications

The Anritsu 373XXA series is a notable line of microwave and RF signal analyzers designed for comprehensive analysis and testing of various wireless communication technologies. These analyzers are specifically crafted to meet the demands of modern communication systems, making them ideal for engineers and technicians working in wireless research, development, and manufacturing.

One of the main features of the Anritsu 373XXA series is its wide frequency range, which typically spans from as low as 5 kHz to several GHz, accommodating a vast array of signal types and applications. This extensive frequency coverage allows users to test and validate all manner of systems, from LTE and 5G networks to satellite communications, yielding accurate and reliable measurement results.

The device employs advanced measurement technologies that provide in-depth analysis capabilities. Among these technologies is the ability to perform both time and frequency domain measurements, allowing users to visualize and diagnose signal integrity issues effectively. In addition, the 373XXA series incorporates vector signal analysis, which is crucial in evaluating complex modulated signals, commonly found in today’s sophisticated wireless communication protocols.

Another distinguishing characteristic of the Anritsu 373XXA is its user-friendly interface. It features a large, high-resolution display that enables easy navigation through the analyzer's functions and measurements. The intuitive design is further enhanced by customizable settings and measurement configurations that streamline the workflow, making it accessible for both novice and experienced users.

The 373XXA series also supports various digital and analog signal demodulation techniques, ensuring compatibility with an array of communication standards. Furthermore, users can benefit from its built-in signal generation capabilities, which allows for end-to-end testing of devices and systems under realistic operational conditions.

Portability is another key feature of the Anritsu 373XXA series. The compact design and lightweight structure facilitate easy transport, which is particularly advantageous for field applications where mobility is critical.

Overall, the Anritsu 373XXA series stands out as a versatile and powerful tool for professionals in the RF and microwave field, thanks to its extensive frequency range, advanced measurement technologies, user-friendly interface, and portability. Whether developing new wireless standards or troubleshooting existing systems, the 373XXA delivers precision and reliability essential for today’s dynamic communication landscape.