ALC BANDWIDTH

CALIBRATION

CALIBRATION

4-11ALC BANDWIDTH

This procedure provides the steps necessary to perform ALC Band-

CALIBRATION

width calibration. The ALC Bandwidth is adjusted to compensate for

 

gain variations of the modulator. The adjustment is performed for

 

each frequency band. This provides a more consistent bandwith

 

throughout the frequency range of the instrument.

 

 

IBM-Compatible PC

682XXB / 683XXB

COM1

Serial

I/O

or

COM2

 

Figure 4-9.Equipment Setup for AM Bandwidth Calibration

Equipment Connect the equipment, shown in Figure 4-9, as fol-

Setup lows:

1. Interface the PC to the 682XXB/683XXB by per- forming the initial setup procedure, pages 4-7 to 4-12.

NOTE

Before beginning this calibration proce- dure, always let the 682XXB/683XXB warm up for a minimum of one hour.

Bandwidth The following procedure lets you (1) calibrate the

Calibration ALC bandwith and (2) store the calibration data in non-volatile memory (EEPROMs) on the A17 CPU PCB.

1. Enter the ALC Bandwidth calibration routine as follows:

a. At the $ prompt on the PC display, type: calterm 110 and press <ENTER>.

The following will appear on the PC display:

Enter calculated gain X.XX

Input:

b. Type: 1.50 and press <ENTER>.

682XXB/683XXB MM

4-31

Page 140 Page 142
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Image 141
Anritsu 683XXB, 682XXB manual ALC Bandwidth
Page 140 Page 142

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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