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SJ 20828-2002Testing chart for qualified identfying (English PDF)

合格鉴定用测试图形和布设总图

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Mandatory

Issue date

October 30, 2002

Implementation date

March 1, 2003

Scope

SJ 20828-2002 is the English-translated version of 合格鉴定用测试图形和布设总图.

SJ 20828-2002 is the Chinese standard "Testing chart for qualified identfying". This standard specifies the single-sided, double-sided and ten layer PCB test pattern and the master drawing.

PCB used for qualification. This standard applies to military electronic equipment with rigid, flexible and rigid-flex printed circuit board and a metal core printed circuit board and the detailed description about the test pattern. Issued on 2002-10-30, in force from 2003-03-01.

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Document preview — SJ 20828-2002

National Standard of the People's Republic of China

Classification: L30

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

SJ 20828-2002 was issued by Ministry of Industry and Information Technology on 30 October 2002 and has been in force since 1 March 2003.

The SJ prefix, without a suffix, marks a mandatory standard: within its scope, compliance is required.

The document runs to 71 pages in English translation.

2 Scope Preview

This standard specifies the single-sided, double-sided and ten layer PCB test pattern and the master drawing. PCB used for qualification. This standard applies to military electronic equipment with rigid, flexible and rigid-flex printed circuit board and a metal core printed circuit board and the detailed description about the test pattern.

SJ 20828-2002 is filed under Chinese Standard Classification L30, in the field of electronic components and information technology.

This catalogue holds 1,191 other SJ standards without an ICS number.

In this catalogue, SJ standards carry edition years from 1965 to 2021.

3 About this standard

Sector: Electronics Industry Standard

Issued by: Ministry of Industry and Information Technology

English translation: about 71 pages (approximate)

Chinese original: about 106,183 characters

4 Related standards

Standards on related subjects:

GB/T 12631-2017 — Test method for resistance of conductors of printed boards

SJ/T 11993-2025 — Testing method for the pad cratering of printed circuit board assembly

5 Classification and status

Chinese Standard Classification (CCS): L 30

Prefix SJ: mandatory standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 71 pages — is available in the English PDF.

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