PERFORMANCE

FREQUENCY

VERIFICATION

SYNTHESIS TESTS

3-7FREQUENCY

 

 

 

 

 

The following tests can be used to verify correct operation of the fre-

 

 

 

 

SYNTHESIS TESTS

 

 

 

 

 

quency synthesis circuits. Frequency synthesis testing is divided into

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

two parts—coarse loop/YIG loop tests and fine loop tests.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

682XXB/683XXB

 

 

 

 

 

 

 

 

FREQUENCY COUNTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Band 3

Band 4

 

 

 

 

 

 

 

 

 

10 MHz

 

 

 

 

 

 

 

 

 

10 MHz Input

Input

 

 

 

 

 

 

 

 

 

REF OUT

 

 

 

 

 

 

 

 

 

EXT IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connection B

RF OUT

(26.5 to 60 GHz)

RF IN

Band 2

Input

Mixer

Connection A

(0.01 to 26.5 GHz)

Figure 3-2.Equipment Setup for Frequency Synthesis Tests

Test Setup Connect the equipment, shown in Figure 3-2, as fol- lows:

1. Connect the 682XXB/683XXB rear panel 10 MHz REF OUT to the Frequency Counter 10 MHz Ex- ternal Reference input. If the Frequency Counter has an INT/EXT toggle switch, ensure the switch is set to EXT.

2. Connect the 682XXB/683XXB RF OUTPUT to the Frequency Counter RF Input as follows:

a. For measuring frequencies of 0.01 to 1.0 GHz, connect to the Band 2 input (Connection A).

b. For measuring frequencies of 1.0 to 26.5 GHz, connect to the Band 3 input (Connection A).

c. For measuring frequencies of 26.5 to 40.0 GHz, connect to the Band 4 input via the Option 91 waveguide mixer (Connection B).

d. For measuring frequencies of 40.0 to 60.0 GHz, connect to the Band 4 input via the Option 92 waveguide mixer (Connection B).

e. For measuring frequencies of 60.0 to 65.0 GHz, connect to the Band 4 input via the Option 93 waveguide mixer (Connection B).

682XXB/683XXB MM

3-11

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Anritsu 683XXB, 682XXB manual Performance Frequency Verification, 7FREQUENCY, Synthesis Tests
Page 70 Page 72

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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