MAIN CHASSIS ASSEMBLIES

SYSTEM DESCRIPTION

A15 Graphics Proces-

This PCB assembly contains circuitry that simultaneously drives both the

sor PCB Assembly

internal VGA monitor and an external VGA monitor (if used), as follows:

 

￿ It receives measurement and display information from the A9

 

Main Processor PCB and generates screen display (video) infor-

 

mation.

 

￿ Provides interface and control for the internal VGA Monitor As-

 

sembly.

 

￿ Provides interface for an external monitor via the rear panel

 

VGA Out connector.

A16 Hard Disk PCB

The PCB assembly contains a pre-formatted hard disk drive assembly

Assembly

and associated interface circuitry. The A16 PCB interfaces directly with

 

the A9 Main Processor PCB via the (A9) SCSI interface.

Floppy Disk Drive

This unit is a standard 1.44 MByte DOS compatible format floppy disk

Assembly

drive. It is physically mounted to the test set tray (not to the Front

 

Panel Assembly). It interfaces to the system via the A13 I/O Inter-

 

face #1 PCB.

A24 VME Bus

This PCB assembly terminates the VME bus to insure stable digital

Terminator PCB

data transfer on the bus. It plugs into the VME bus structure on the

 

bottom surface of the A17 Motherboard Assembly.

7-5MAIN CHASSIS

The assemblies described below are the major assemblies mounted to

ASSEMBLIES

the basic frame of the 373XXA.

A17 System Mother-

The motherboard assembly provides signal routing and D.C. power

board Assembly

distribution paths for all major PCB assemblies of the Analog Subsys-

 

tem (A1 – A8) and the Digital Subsystem (A9 – A16). It also contains

 

the VME Bus, Quiet Bus, and A/D Bus structures and other signal

 

routing paths. It does not contain any active components.

 

NOTE

 

The motherboard assembly is an integral part of the

 

373XXA chassis. It is not a field replaceable unit.

Front Panel Assembly The Front Panel Assembly consists of the following assemblies and parts:

￿A19 Front Panel Switch PCB – this assembly contains all of the front panel switches for the 373XXA VNA.

￿A20 Front Panel Control PCB – this assembly contains the de- code logic for the switches located on the A19 Front Panel Switch PCB. This PCB interfaces with the A14 I/O Interface #2 PCB As- sembly.

￿Front Panel LEDs, beeper, keys, controls, and connectors

￿Front panel overlay

7-16

373XXA MM

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Anritsu 373XXA manual Main Chassis Assemblies, 5MAIN Chassis

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.