Evolution Technologies MK-461C manuels

Manuels d'utilisation et guides de l'utilisateur pour Machine de réduction du bruit Evolution Technologies MK-461C.
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Evolution technologies MK-461C Manuel d'utilisateur (105 pages)

marque: Evolution-technologies | Catégorie: Machine de réduction du bruit | Taille: 5.48 MB |

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Table des matières

Misure di compatibilita’

1

Elettromagnetica

1

 Soluzioni Agilent

2

What is EMC?

3

Definitions

4

EMI measurement system

6

Pre-compliance measurements

7

Full Compliance measurements

7

CISPR Pulse Generator for

9

Testing the QP response

9

Page 10

10

What is an EMI Receiver?

11

Distortion

12

Theory of Operation

13

Broadband

14

Narrow band

14

Digitizing the IF Signal

15

Some troublesome operations

15

FFT Analyzer

16

Specifications

17

280 sec

17

134 sec

17

13.5 sec

17

Speed Improvements

18

Modern spectrum analyzer

19

Digital Filter Shape

21

CISPR Bandwidth Requirements

22

10 KHz - 150 KHz 1 KHz

23

“Buckets”

24

Detectors

25

Page 26

26

Peak ≧ QP ≧Average

27

RMS Average detector table

29

Page 32

32

Page 33

33

@ 150 kHz to 30 MHz

34

Transient Limiter

35

[ohm] Free Space Impedance

36

Page 37

37

Broadband antenna examples

38

Close field probe

39

Test example

40

EMC Regulations

41

Frequency Bands

43

Page 45

45

CISPR changes…

49

European Norms example

50

MIL-STD 461 Testing

51

Summary

53

Product Life Cycle

54

Cost of retesting

55

EMI problem costs

56

Breadboard/Design

56

Prototype

56

Production

56

Compliance Testing

57

Page 58

58

Page 59

59

Page 60

60

Page 61

61

41.2563MHz

62

218.120MHz

62

1500.260MHz

62

Examples of Test Facilities

63

Open Area Test Site (OATS)

64

GTEM Cell details

65

Test Facilities (cont’d)

66

Page 67

67

Page 68

68

2. Load Corrections factors

69

3. Load Limit line

70

Page 71

71

Page 72

72

X-Series signal analyzer

73

Antennas and tripod

73

Precompliance testing

74

-Measurements repeatability

75

DUT power cord*

76

EMC App

76

3 or 10 Meter distance

77

X-Series Signal Analyzer

77

Troubleshooting

78

Immunity test setup

79

Agilent Solutions

80

Frequency

81

 CISPR 16-1-1 2010

82

N9038A MXE EMI Receiver

84

20 Hz -1GHz

85

 Swept spectrum analyzer;

86

 FFT analyzer;

86

 Noise Figure analyzer

86

“All Digital IF” Advantages

87

Reduce RBW

88

This is

89

Noise Floor Subtraction

90

Improved noise floor

91

(0.2 - 0.4 dB) error

92

• Limit Lines (2000 pts)

93

• 40001 sweep points

93

 CISPR 16-1-1 detectors

94

Quasi Peak measurements

94

Page 95

95

Amplitude at

96

Amplitude

96

Limit line edit display

97

Meters

98

Meters tune

99

Strip Chart

100

• Spectrogram

101

• Trace Zoom

101

• Zone Span

101

EMC seminar

102

Solution partners for EMC

104

Roberto Sacchi

105

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