ДСТУ CLC/TR 50484:2022 Рекомендації щодо екранованих корпусів (CLC/TR 50484:2009, IDT)



ДСТУ CLC/TR 50484:2022
(CLC/TR 50484:2009, IDT)

Рекомендації щодо екранованих корпусів

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

1 Scope

2 Normative references

3 Definitions

4 General

5 Shielding

5.1 Shielding attenuation

5.2 Evaluation of shielding effectiveness

5.3 Shielding components and selection of materials

5.4 Shielding attenuation values (see Figure 8 measured according to EN 50147-1)

Bibliography

Figures

Figure 1 - Illustrated set-up for shielding

Figure 2 - Wave impedance versus distance of the field source

Figure 3 - Schematic diagram of the partial reflections (subscript R) and transmissions (subscript T) at the two surfaces of a shield

Figure 4 - S results calculated for a low-impedance magnetic field source

Figure 5 - Calculated S results for a low-impedance magnetic field source

Figure 6 - Shielding attenuation measurement

Figure 7 - Examples of door contacts

Figure 8 - Shows typical performance values

Table

Table 1 - Summary SE aspects