CALIBRATION FOLLOWING

CALIBRATION

SUBASSEMBLY REPLACEMENT

4-4

4-5

CALIBRATION

Table 4-2 (page 4-6) lists the calibration that should be performed fol-

FOLLOWING

lowing the replacement of 682XXB/683XXB subassemblies or RF com-

SUBASSEMBLY

ponents.

REPLACEMENT

 

CONNECTOR AND KEY

The calibration procedures include many references to equipment in-

LABEL NOTATION

terconnections and control settings. For all 682XXB/683XXB refer-

 

ences, specific labels are used to denote the appropriate menu key,

 

data entry key, data entry control, or connector (such as CW/SWEEP

 

SELECT or RF OUTPUT). Most references to supporting test equip-

 

ment use general labels for commonly used controls and connections

 

(such as Span or RF Input). In some cases, a specific label is used that

 

is a particular feature of the test equipment listed in Table 4-1.

Table 4-1.Recommended Test Equipment for Calibration Procedures (1 of 2)

INSTRUMENT

CRITICAL

RECOMMENDED

PROCEDURE

SPECIFICATION

MANUFACTURER/MODEL

NUMBER

 

 

 

 

 

Frequency Counter

Frequency Range: 1 to 20 GHz

EIP Microwave, Inc. Model 578B

4-7

 

Input Impedance: 50W

 

 

 

Resolution: 1 Hz

 

 

 

 

 

 

Spectrum Analyzer

Frequency Range: 1 to 20 GHz

Tektronix, Model 2794

4-13, 4-14

 

Resolution Bandwidth: 10 Hz

 

 

 

 

 

 

Power Meter,

Power Range:–30 to +20 dBm

Hewlett-Packard Model 437B, with

4-12

with

(1 W to 100mW)

Power Sensor:

 

Power Sensor

 

HP 8487A (0.01 to 50 GHz)

 

 

 

 

 

Power Meter

Power Range:–30 to +20 dBm

Anritsu ML4803A, with

4-12

with

(1mW to 100mW)

Power Sensor:

 

Power Sensor

 

MP716A4 (50 to 75 GHz

 

 

 

 

 

Frequency Standard

Frequency: 10 MHz

Spectracom Corp., Model 8161

4-7

 

Accuracy: 1 ¥10–10parts/day

 

 

Function Generator

Output Voltage: 2 volts peak-to-peak

Hewlett-Packard, Model 8116A

4-12, 4-13,

 

Functions: 0.1 Hz to 100 kHz sine and

 

4-14

 

square waveforms

 

 

 

 

 

 

Function Generator

Output Voltage: 2 volts peak-to-peak

Hewlett-Packard, Model 33120A

4-12. 4-13.

 

Functions: 0.1 Hz to 100 kHz sine and

 

4-14

 

square waveforms

 

 

 

 

 

 

Digital Multimeter

Resolution: 4-1/2 digits (to 20V)

John Fluke, Inc.,Model 8840A, with

4-12, 4-13,

 

DC Accuracy: 0.002% +2 counts

Option 8840A-09K (True RMS AC)

4-14

 

DC Input Impedance: 10 MW

 

 

 

AC Accuracy: 0.07% +100 counts

 

 

 

(to 20 kHz)

 

 

 

AC Input Impedance: 1 MW

 

 

 

 

 

 

4-4

682XXB/683XXB MM

Page 113 Page 115
Page 114
Image 114
Anritsu 682XXB, 683XXB manual Calibration Following
Page 113 Page 115

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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