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Agilent Technologies
90B
manual
Measurement of Pard for a CC Power Supply
Models:
90B
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Output characteristic
Input AC Wire Rating
Check Voltage Control Setting
Transient recovery 107
Resolution
Ambient Temperature
Precautions
Power Supply Handbook
Switching Regulation
Page 117
Image 117
Figure 82. Measurement of PARD for a CC Power Supply
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Contents
Power Supply Handbook
Table of Contents
Protection Circuits for Linear Type Supplies
101
Automatic Auto Parallel Operation
Ambient Temperature
AUTO-SERIES Power Supply System
Constant Current Power Supply
AUTO-TRACKING Power Supply System Carryover Time
Automatic Auto Tracking Operation
Complementary Tracking
Page
Page
Current Foldback
Crowbar Circuit
Drift
Efficiency
OFF-LINE Power Supply
Load Effect Transient Recovery Time
Output Impedance of a Power Supply
Load Effect Load Regulation
DC Output of Power Supply Superimposed Pard Component
Programming Speed
Remote Programming Remote Control
Remote Sensing Remote Error Sensing
Resolution
Source Effect Line Regulation
Warm UP Time
Stability see Drift Temperature Coefficient
Principles of Operation
Series Regulation
Regulating Techniques
Pros and Cons of Series Regulated Supplies
Typical Series Regulated Power Supply
Operational Amplifier
Series Regulated Supply An Operational Amplifier
Errp = Esrp + Esrr -EORR
Operational Amplifier with DC Input Signal
Series Regulator with Preregulator
Constant Voltage Power Supply with SCR Preregulator
SCR Conduction Angle Control of Preregulator Output
Switching Regulation
Basic Switching Supply
Basic Switching Supply
Typical Switching Regulated Power Supplies
Switching Regulated Constant Voltage Supply
Switching Supply with Preregulator
Single Transistor Switching Regulator
Summary of Basic Switching Regulator Configurations
SCR Regulation
Basic Switching Regulator Configurations
SCR Regulated Power Supply
Ideal Constant Current Power Supply Output Characteristic
Constant Current Power Supply
Constant Voltage/Constant Current CV/CC Power Supply
Current Limit
Constant VOLTAGE/CURRENT Limiting Supplies
Current Foldback
Current Limiting Characteristic
Protection Circuits for Linear Type Supplies
Protection Circuits
Protection Circuits, Linear Type Supply
Overvoltage Crowbar Circuit Details
Typical Crowbar Overvoltage Protection Circuit
Crowbar Response Time
Crowbar Response
High Voltage Power Supply
Special Purpose Power Supplies
Piggy-back Power Supply
High Performance Power Supplies
Precision Voltage Sources
Precision Constant Current Source
An Ideal Current Source
Impedances Shunting the Load Degrade Current Regulation
Precision Current Source Block Diagram
Page
Advantages of Extended Range
Extended Range Power Supplies
Example of Extended Range Power Supply
Extended Range Power Supply Using Tap Switching
Faster Down-Programming Speed
Output Power Plot
Bipolar Power Supply/Amplifier
Bipolar Power Supply
Amplifier
Digital Voltage Source DVS
Digitally Controlled Power Sources
Bipolar Power Supply/Amplifier Drawn as an Amplifier
Page
Digital Current Source DCS
Checklist for AC and Load Connections
AC Power Input Connections
Load Connections for One Power Supply
AC Power Input Connections
Load Connections for Two or More Power Supplies
Load Connections for ONE Power Supply
Input AC Wire Rating
Autotransformers
Line Regulators
Improper Load Connections
DC Distribution Terminals
Location of DC Distribution Terminals with Remote Sensing
Load Wire Rating
Load Decoupling
Ground Loops
Power Supply and Load Wiring Equivalent Circuits
Local Decoupling Capacitors
Isolating Ground Loop Paths from DC System
Preferred Ground Connections for Single Isolated Load
DC Common
Preferred Ground Connections for Single Grounded Loads
Ground Connections for Multiple Loads, One Grounded
Ground Connections for Multiple Loads, Two or More Grounded
DC Ground Point
Remote Error Sensing Constant Voltage Operation Only
Regulated Power Supply with Remote Error Sensing
Remote Sensing Connections
Constant Voltage Regulator with Remote Error Sensing
Remote Sensing Connections
Protecting Against Open Sensing Leads
Remote Sensing Protection with Resistors
Output Oscillation
Load Wire Ratings
Proper Current Limit Operation
Load Connections for TWO or More Power Supplies
DC Common
Constant Voltage Remote Programming with Resistance Control
Remote Programming
Output Drift
Remote Programming Connections
Remote Programming Connections
Protecting Against Momentary Programming Errors
Remote Programming Switching Circuits
Backup Protection for Open Programming Source
Programming with Unity Voltage Gain
Constant Voltage Remote Programming with Voltage Control
Voltage Programming with Variable Voltage Gain
Programming with Variable Voltage Gain
Remote Programming Accuracy
Constant Current Remote Programming
Ideal Remote Programming Characteristics
Remote Programming Speed
Speed of Response--Programming Up
Speed of Response Programming Down
Duty Cycle Loading
Output Voltage and Current Ratings
Short-term Overload Equivalent Circuit and Output Voltage
Reverse Current Loading
Reverse Current Loading Problem
Dual Output Using Resistive Divider
Reverse Current Loading Solution
Auto Parallel Operation
Parallel Operation
AUTO-SERIES Operation
Series Operation
Auto-Series Operation of Two Supplies
Auto-Tracking of Two Supplies
Auto Tracking Operation
Converting a CV Supply to CC Output
Precautions
Constant Voltage Power Supply Measurements
Connect Leads to Power Supply Terminals Properly
Measure Performance at Front or Rear Terminals
Use an Adequate Load Resistor
Use Separate Leads to All Measuring Instruments
Check Setup for Pickup and Ground Loop Effects
Check Current Limit Control Setting
Use an Auto-Transformer of Adequate Current Rating
Connect AC Voltmeter Properly
Do Not Use an AC Input Line Regulator
CV Source Effect Line Regulation
CV Pard Ripple and Noise
Measurement of Pard Ripple and Noise for a CV Supply
Three Ideal Ripple Waveshapes
Measurement of Noise Spikes
Noise Spike Measurements
109
Automatic Load Switch for Measuring Transient Recovery Time
CV Temperature Coefficient
CV Drift Stability
CV Programming Speed
CV Programming Speed Test Setup
CV Output Impedance
Constant Current Power Supply Measurements
Use Precision, Low T. C. Monitoring Resistor
RM Must be Treated as a Four-Terminal Device
Check Voltage Control Setting
Keep Temperature of RM Constant
CC Source Effect Line Regulation
CC Load Effect Load Regulation
CC Pard Ripple and Noise
CC Drift Stability
CC Load Effect Transient Recovery Time
Measurement of Pard for a CC Power Supply
Other Constant Current Specifications
CC Temperature Coefficient
Index
Output characteristic
Remote
Measurement method 112
Transient recovery 107
119
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