REMOVAL AND

CHASSIS

REPLACEMENT PROCEDURES

COVERS

6-2REMOVING AND

Troubleshooting procedures require removal of the top cover. Replace-

REPLACING THE

ment of some 682XXB/683XXB assemblies and parts require removal

CHASSIS COVERS

of all covers. The following procedure describes this process.

 

Preliminary

Disconnect the power cord from the unit.

Procedure

NOTE

The screws with green heads have metric threads. When it becomes necessary to replace any of these screws, always use the exact re- placement green-headed screws (ANRITSU P/N 2000-560) to avoid damage to the instrument.

Remove and replace the chassis covers as follows:

Step 1 Using a Phillips screwdriver, remove the screws and the two feet from the top cor- ners at the rear of the instrument (Figure 6-1).

Step 2 Remove the screw that fastens the top cover to the chassis. (The screw is located at the rear of the instrument.)

Step 3 Slide the top cover out along the grooves

in the chassis and set it aside.

Step 4 Turn the instrument over so that the bot- tom cover is on top.

Step 5 Remove the screws and the two feet from the bottom corners at the rear of the in- strument.

Step 6 Remove the screw that fastens the bottom cover to the chassis. (The screw is located at the rear of the instrument.)

Step 7 Slide the bottom cover out along the grooves in the chassis and set it aside.

Step 8 Turn the instrument over to return it to the upright position.

Step 9 Remove the screws and the carrying han- dle from the side handle cover. (The two screws fastening the carrying handle through the side handle cover to the chas- sis are accessable by lifting up the rubber covering at the each end of the handle.)

Step 10 Remove the screw that fastens the side handle cover to the chassis. (The screw is located at the rear of the instrument.)

Step 11 Remove the side handle cover and set it aside.

6-4

682XXB/683XXB MM

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Anritsu 682XXB, 683XXB manual Removal, Replacement Procedures Covers, 2REMOVING, Replacing, Chassis Covers
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682XXB, 683XXB specifications

The Anritsu 683XXB and 682XXB series are advanced vector network analyzers (VNAs) renowned for their precision and versatility in characterizing RF and microwave components. Designed for engineers and technicians involved in the development, manufacturing, and testing of high-frequency devices, these analyzers offer state-of-the-art technology that ensures optimal performance in various applications.

One of the hallmark features of the Anritsu 683XXB and 682XXB is their high dynamic range, which allows for accurate measurements of small reflection and transmission coefficients, essential for assessing the performance of complex RF structures. With frequency coverage extending from DC to 70 GHz, these analyzers cater to a broad spectrum of applications, making them suitable for industries such as telecommunications, aerospace, and automotive.

The user-friendly interface of the Anritsu VNAs is complemented by a high-resolution display, which facilitates easy navigation through measurement setups and results. The analyzers feature multiple measurement modes, including S-parameter measurements, time-domain analysis, and noise figure measurements, providing engineers with comprehensive tools for device characterization.

Both the 683XXB and 682XXB implement advanced calibration techniques, including automated calibration and error correction methods, to enhance measurement accuracy. These methods significantly reduce the uncertainties associated with test setups, enabling reliable performance evaluations of components like filters, amplifiers, and antennas.

Anritsu’s proprietary technologies, such as the VectorStar and ShockLine series integration, further empower the 683XXB and 682XXB models. These technologies enable high-throughput testing and improved measurement stability, addressing the needs of modern production environments that demand rapid turnaround times without sacrificing precision.

Additionally, the analyzers come equipped with various connectivity options, including USB, LAN, and GPIB, ensuring seamless integration into automated test systems. This adaptability enhances the analyzers' utility in both laboratory settings and field operations.

In conclusion, the Anritsu 683XXB and 682XXB series vector network analyzers represent the pinnacle of RF and microwave testing technology. With their unmatched precision, comprehensive measurement capabilities, and advanced calibration techniques, these instruments are indispensable tools for professionals striving to push the boundaries of high-frequency device performance and reliability.
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