manuais Agilent Technologies 90B

Agilent technologies 90B Manual do Utilizador (125 páginas)

Marca: Agilent-technologies | Categoria: Amplificadores áudio | Tamanho: 1.52 MB |

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Índice

POWER SUPPLY

1

HANDBOOK

1

TABLE OF CONTENTS

2

INTRODUCTION

5

DEFINITIONS

5

(CV/CC) OUTPUT CHARACTERISTIC

9

(CV/CL) OUTPUT CHARACTERISTIC

9

LOAD EFFECT (LOAD REGULATION)

11

OFF-LINE POWER SUPPLY

11

VOLTAGE POWER SUPPLY

12

PARD (RIPPLE AND NOISE)

12

DC OUTPUT OF POWER SUPPLY AND

12

SUPERIMPOSED PARD COMPONENT

12

PROGRAMMING SPEED

13

RESOLUTION

14

STABILITY (SEE DRIFT)

15

TEMPERATURE COEFFICIENT

15

WARM UP TIME

15

PRINCIPLES OF OPERATION

16

Regulating Techniques

17

Series Regulation

17

Switching Regulation

24

Basic Switching Supply

25

SCR Regulation

30

CONSTANT CURRENT POWER SUPPLY

31

Current Limit

35

Current Foldback

36

PROTECTION CIRCUITS

37

Crowbar Response Time

40

High Voltage Power Supply

42

Precision Voltage Sources

44

Extended Range Power Supplies

49

Advantages of Extended Range

49

Faster Down-Programming Speed

52

Bipolar Power Supply

53

Amplifier

53

Digital Voltage Source (DVS)

54

Digital Current Source (DCS)

57

AC AND LOAD CONNECTIONS

58

AC POWER INPUT CONNECTIONS

59

Autotransformers

60

Line Regulators

60

Input AC Wire Rating

60

DC Distribution Terminals

61

Load Wire Rating

62

Load Decoupling

63

Ground Loops

64

DC Common

67

DC Ground Point

71

Remote Sensing Connections

73

Load Wire Ratings

76

Output Oscillation

76

REMOTE PROGRAMMING

79

Output Drift

80

REMOTE PROGRAMMING ACCURACY

85

REMOTE PROGRAMMING SPEED

87

DUTY CYCLE LOADING

90

REVERSE CURRENT LOADING

92

PARALLEL OPERATION

95

AUTO PARALLEL OPERATION

95

SERIES OPERATION

96

AUTO-SERIES OPERATION

96

AUTO TRACKING OPERATION

98

PERFORMANCE MEASUREMENTS

100

CV PARD (Ripple and Noise)

104

Noise Spike Measurements

107

CV Programming Speed

110

CV Drift (Stability)

110

CV Temperature Coefficient

110

CV Output Impedance

112

Precautions

113

Keep Temperature of R

114

Constant

114

CC PARD (Ripple and Noise)

115

CC Drift (Stability)

116

CC Temperature Coefficient

118

Reprinted in USA

125

October 1, 2000

125

5952-4020

125

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