Anritsu 373XXA manual LO1 Calibration, Procedure Equipment Required, Post Calibration, Actions

Models: 373XXA

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Chapter 6 Adjustments

6-1

6-2

INTRODUCTION

This chapter contains procedures that are used to restore the calibration

 

of the 373XXA signal source and the related source lock system assem-

 

blies. Use these procedures after various signal source related assemblies

 

have been replaced due to troubleshooting or repair activities.

 

Please insure you have read and fully understand the servicing con-

 

cepts for the 373XXA presented in Chapter 1 prior to continuing with

 

this chapter.

LO1 CALIBRATION

This procedure uses the 373XXA internal diagnostics and calibration

 

menus to adjust the A1 1st LO PCB assembly. Perform this calibation

 

procedure if:

 

￿ The A1 PCB is replaced.

 

￿ BBRAM chip on A9 Processor PCB is replaced and the Source

 

Lock Threshold Calibration data was not previously saved on

 

disk (that is, data is not available for recall from a floppy disk).

Calibration

Perform the following steps:

Procedure

 

 

 

Equipment Required

 

None

 

 

 

NOTE

 

 

Allow the 373XXA to warm-up at least 30 minutes prior to

 

 

performing calibration.

 

Procedure

 

Step 1.

Press the Option Menu key (Enhancement key group) to dis-

 

 

play the OPTIONS menu.

 

Step 2.

Select DIAGNOSTICS from menu.Then select in se-

 

 

quence: H/W CALIBRATIONS then LO1 CALIBRA-

 

 

TION.

 

Step 3.

Follow the directions displayed on the 373XXA CRT screen,

 

 

until calibration is completed.

Post Calibration

After the calibration process is completed, perform the following ac-

Actions

tions, as appropriate:

373XXA MM

6-3

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Anritsu 373XXA manual LO1 Calibration, Procedure Equipment Required, Post Calibration, Actions

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.