Seagate ST980210AS Uživatelský manuál stáhnout pdf (Strana 14)

Global Certification Corp.

Date of Issue: SEP.13,2007

Report No:F790506

Page14/16

4.2 LIMIT

Frequency Class A Class B

MHz

Distance

(Meter)

Limit

dBµV/m

Distance

(Meter)

Limit

dBµV/m

30 ~ 230 10 40 10 30

230 ~ 1000 10 47 10 37

Above 1000 10 49.5 10 43.5

Remark: In the above table, the tighter limit applies at the band edges

4.3 TEST PROCEDURE

The EUT and its simulators are placed on turn table, non-conductive and wooden table,

which is 0.8 meter above ground. The turn table rotates 360 degree to determine the position

of the maximum emission level. The EUT was positioned such that distance from antenna to

the EUT is 10 meters.

The antenna is moved up and down between 1 meter to 4 meter to receive the maximum

emission level.

Both horizontal and vertical polarization of the antenna are set on measurement. In order

to find the maximum emission, all of the interference cables must be manipulated according

to CISPR regulation: the test procedure of the radiated emission measurement.

The bandwidth set on the field strength is 120 KHz when the frequency range is below

1GHz

4.4 TEST SPECIFICATION

ANSI C63.4 – 2003 Section 5.2, 7.1, 7.2 & CISPR 22 - 2005

4.5 RESULT: PASSED

The radiated mission test was passed at minimum margin :

Vertical 229.45

MHz/ 37.93 dBuV/m, Antenna Height 1.74 Meter,

Turn Table 214

degree,

4.6 TEST DATA:

Please refer to appendix 2

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 23 24

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Seagate ST980210AS Uživatelský manuál Strana 14