FUNCTIONAL

 

 

 

 

 

 

 

 

 

 

 

 

ALC/AM/PULSE

DESCRIPTION

 

 

 

 

 

 

 

 

 

 

 

 

MODULATION

 

 

 

 

P/O A10 PCB

 

 

P/O RF Deck

 

10 - 16.25 GHz

Source

40 -

 

 

 

 

 

 

 

 

 

 

 

65 GHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

External AM

 

 

 

 

 

 

 

 

Quadrupler

 

 

 

 

AM

 

 

AM

 

 

 

 

Module

 

0.01 -

Level

To Step

(From Front /

LOG AMP

 

 

 

 

 

 

 

 

 

0.01 - 20 GHz

 

 

Attenuator

Rear Panel)

INPUT

CAL

 

 

Switched

 

Forward

65 GHz

Detector

 

 

 

 

 

or

 

 

SENS

 

 

DAC

 

 

Filter

 

 

Coupler

 

 

 

 

 

 

 

 

 

 

 

 

RF Output

 

 

DAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switched

 

 

 

 

Internal AM

 

 

 

 

 

2 - 20 GHz

 

 

 

 

 

 

 

 

 

 

 

 

 

Doubler

 

 

 

 

(From A8 PCB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YIG

 

 

 

 

Detector 1

 

 

 

 

 

 

 

Module

0.01 -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Oscillator

 

 

 

 

 

 

 

 

 

 

 

 

 

0.01 - 2 GHz

 

40 GHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALC Slope

SLOPE

 

 

 

 

 

 

Down

 

 

 

 

 

DAC

 

 

 

 

 

 

Converter

 

 

 

 

 

(From A12 PCB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Detector 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pulse

 

 

 

 

 

From

D0 - D15

 

 

 

 

 

 

Modulator Control

 

 

 

 

 

L_SEL3

EPLD

 

 

 

 

 

 

 

 

 

 

 

 

CPU

 

 

 

 

 

 

 

 

 

 

 

 

A01 - A03

 

 

 

 

 

 

 

P/O A9 PCB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch

 

 

Non-Pulse

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control

 

 

Level Amp

 

 

 

 

 

 

 

 

 

 

 

Circuits

 

 

 

 

 

 

Shaper/

ALC

 

 

 

 

 

 

 

 

 

 

ALC

ALC

 

Modulator

 

 

 

 

 

 

 

Detector

Level

 

 

Amp

 

 

 

 

 

 

 

 

Control

 

Driver

 

 

 

 

 

 

 

 

Gain

 

 

 

 

 

 

 

 

CAL

REF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAL

 

 

 

 

 

Modulator Control

 

 

 

DAC

DAC

 

 

 

 

 

 

 

 

 

 

 

 

DAC

 

 

 

 

 

 

 

 

 

 

 

 

 

Pulse

 

D0 - D15

Address /

Shaper

 

 

 

 

 

External ALC

 

 

 

Level Amp

 

 

 

 

 

 

 

 

 

 

L. SEL 2

Data

 

 

P/O A14 PCB

(From Front /

 

 

 

Fixed

 

DAC

 

 

 

 

 

 

A01 - A02

Latches

 

 

Rear Panel)

 

 

 

Gain

 

 

 

 

 

 

 

 

 

 

 

(From CPU)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Detector 1

Detector

Log

 

 

 

 

 

 

 

 

 

Shaper/

Driver/

Detector 0

MUX

Amp

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Amp

Amp

Sample/Hold

 

 

 

Sample/Hold

 

 

 

P/O A6 PCB

 

Buffer

 

 

 

 

 

 

 

 

 

Amp

 

 

 

 

 

 

 

 

Serial Data

Serial/

 

 

 

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(From

Parallel

 

 

 

 

 

 

 

 

 

 

 

 

 

A16 PCB)

Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

10 MHz

 

 

Pulse

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(From A5 PCB)

Pulse

 

 

 

 

 

 

 

 

 

 

 

External Pulse Inputs

Generator

Sample / Hold

 

 

 

 

 

 

 

 

 

 

(From Front / Rear Panel)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 2-3.Block Diagram of the ALC/AM/Pulse

Modulation Subsystem

682XXB/683XXB

2-17

Page 45
Image 45
Anritsu manual 682XXB/683XXB, RF Deck

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.