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Agilent Technologies 90B manual Bipolar Power Supply/Amplifier Drawn as an Amplifier

Models: 90B

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Figure 32. Bipolar Power Supply/Amplifier Drawn as an Amplifier

Figure 33. Digital Voltage Source Block Diagram

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Agilent Technologies 90B manual Bipolar Power Supply/Amplifier Drawn as an Amplifier

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 Complementary Tracking AUTO-TRACKING Power Supply System Carryover TimeConstant Current Power Supply Automatic Auto Tracking OperationPage Page Efficiency Crowbar CircuitCurrent Foldback Drift Load Effect Load Regulation Load Effect Transient Recovery TimeOFF-LINE Power Supply Output Impedance of a Power Supply DC Output of Power Supply Superimposed Pard Component Programming Speed Remote Programming Remote Control Resolution Remote Sensing Remote Error SensingSource 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 Precision Voltage Sources High Performance Power SuppliesPrecision 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 Bipolar Power Supply/AmplifierAmplifier Digital Voltage Source DVS Digitally Controlled Power Sources Bipolar Power Supply/Amplifier Drawn as an Amplifier Page Digital Current Source DCS AC Power Input Connections Checklist for AC and Load ConnectionsLoad Connections for One Power Supply AC Power Input Connections Load Connections for Two or More Power Supplies Line Regulators Input AC Wire RatingLoad Connections for ONE Power Supply Autotransformers 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 Measure Performance at Front or Rear Terminals Constant Voltage Power Supply MeasurementsPrecautions Connect Leads to Power Supply Terminals Properly 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 CV Source Effect Line Regulation Connect AC Voltmeter ProperlyUse an Auto-Transformer of Adequate Current Rating Do Not Use an AC Input Line Regulator 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 Drift Stability CV Temperature CoefficientCV 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 Load Effect Load Regulation CC Source Effect Line RegulationCC 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 Our Promise