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TABLE OF CONTENTS

Paragraph

Title Page

SECTION l-GENERAL INFORMATION

1.1 Introduction ....................................

1.2

Features ........................................

1.3 Warranty Information ............................

1.4 ManualAddenda

................................

1.5 Safety Symbols and Terms ........................

1.6 Unpacking and Inspection .........................

1.7 Repackaging For Shipment ........................

1.8 Specifications ...................................

1.9 Accessories .....................................

1.9.1

Optional Accessories

...........................

1.9.2

Supplied Accessories.

..........................

SECTION 2-OPERATION

2.1 Introduction ...................................

2.2 Preparation For Use .............................

^^_ -

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..........

.......

......

L.L.1

..,...

.._.

2.2.2

2.3

2.3.1

2.3.2

,2.3.3

2.3.4

2.3.5

2.4

2.4.1

2.4.2

2.5

2.5.1

2.5.2

2.5.3

,.....

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vower-up ............................................................................

Warm-Up

.............................................................................

Operating Instructions

....................................................................

Environmental Conditions

...............................................................

Front Panel Control Descriptions

..........................................................

AearPanelDescriptions

.................................................................

OutputConnector .....................................................................

InductiveLoads .......................................................................

Operation Of The Model 220.

..............................................................

Model 220 General Operating Procedure

..................................................

ExampleofOperation

...................................................................

Applications

............................................................................

Calibradon ............................................................................

ResistivityMeasurement

................................................................

Diode Characterization .................................................................

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....

2-1

2-l

2-1

;=t

2-4

2-5

......

2-9

......

2-9

......

2-9

..... 2-10

l-l

1-l

l-l

1-2

SECTION 3-PERFORMANCE VERIFICATION

3.1

Introduction

..................................................................................

3.2

Environmentalconditions

.......................................................................

3.3 RecommendedTestEquipment

..................................................................

3.4

InitialCondltlons

...............................................................................

Performance Verification Procedure

..............................................................

lOOmA to 1mA Range Verification

..............................................................

3.5.2

1004 to 1OlA Range Verification

..............................................................

3.5.3 1FA end lOOnA Range Verification.

.............................................................

3.5.4

1OnA and 1nA Range Verification

...............................................................

SECTION 4-THEORY OF OPERATION

4.1

Introduction ..................................................................................

4.2

BlockDiagrams ................................................................................

4.3

PowerSupply .................................................................................

4.4

AnalogBoard..

................................................................................

4.5

Digital Board (Microcomputer).

..................................................................

4.6

DisplaVCircuit .................................................................................

3-l

3-1

3-2

4-1

4-l

4-4

Brand	Keithley
Model	220
Category	Measuring Instruments
Language	English

Keithley 220 User Manual

Table of Contents

Questions and Answers:

Keithley 220 Specifications

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