Emi Test Results - Analog Devices DC2629A Demo Manual

EMI TEST RESULTS

Radiated EMI Performance (CISPR25 Radiated
Emmisions Test with Class 5 Peak Limits)
50
HORIZONTAL POLARIZATION
45
PEAK DETECTOR
40
35
30
25
20
15
10
5
0
0 100 200 300 400
FREQUENCY (MHz)
DC2629A DEMO BOARD
(WITH VOLTAGE APPLIED TO V
3.3V INPUT TO 1.2V OUTPUT AT 7.5A, f
CISPR25 Conducted EMI Emmisions with Class 5 Peak
Limits (Voltage Method)
60
50
40
30
20
10
0
–10
–20
0 10 20 30
DC2629A DEMO BOARD
(WITH VOLTAGE APPLIED TO V
3.3V INPUT TO 1.2V OUTPUT AT 7.5A, f
PEAK LIMIT
PEAK
500 600 700 800 900
DC2629A G02
EMI INPUT)
IN
= 2MHz
SW
DEMO MANUAL DC2629A
PEAK LIMIT
PEAK
40 50 60 70 80 90
FREQUENCY (MHz)
EMI INPUT)
IN
= 2MHz
SW
Radiated EMI Performance (CISPR25 Radiated
Emmisions Test with Class 5 Peak Limits)
50
VERTICAL POLARIZATION
45
PEAK DETECTOR
40
35
30
25
20
15
10
5
0
0 100 200
1000
DC2629A DEMO BOARD
(WITH VOLTAGE APPLIED TO V
3.3V INPUT TO 1.2V OUTPUT AT 7.5A, f
100 110
DC2629A G01
300 400 500 600 700
FREQUENCY (MHz)
EMI INPUT)
IN
= 2MHz
SW
PEAK LIMIT
PEAK
800 900 1000
DC2629A G03
Rev. 0
3