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CONTENTS - WEB REPRESENTATION OF CONTENTS PAGE |
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Chapter 1. CATASTROPHIC FAILURES
Glass Failures-Heater Failures-Arcing-Fixed versus
Bias | 7 |
Chapter 2. DEGENERATIVE FAILURES
Gas-Getters-Spurious Emissions-Interelectrode Leak-
age-Interface Resistance-Cathode Depletion | 22 |
Chapter 3. SUBJECTIVE FAILURES
Hum-Microphonics-Noise | 37 |
Chapter 4. CHARACTERISTIC VARIABLES
Predicting Variables - How Standards Are Set - The
Bogey Tube - The Limit Tube - Correlating Measure-
ments-Typical Correlation-Characteristic Spreads-
Quality Control-Sampling-Design Tolerances | 53 |
Chapter 5. SELECTED AND PREMIUM TUBES
How Tubes Are Selected-Results of Tube Selection-
Premium Tubes-The Multi-Spec Tubes-Standardiza-
tion and Reliability-How Standards Are Set-Univer-
sal Tubes-The Universal Commodity-Defining Relia-
bility-Reliability and Standardization | 69 |
Chapter 6. WHY SO MANY TUBE TYPES?
Filament Voltage Sources-2-Volt and 6.3-Volt Tubes-
TV Types-Hybrid Types-Physical Changes-Minia-
tures and Subminiatures-Multipurpose Tubes-Electri-
cal Characteristics-Competition-Technological Devel-
opments | 83 |
Chapter 7. PREDICTING TUBE PERFORMANCE
Life Expectancy By Structure-Life Expectancy By Ap-
plication - Tests for Initial Performance - Predicting
Life | 96 |
Chapter 8. TUBE TESTERS
Early Tube Testers-Classification of Tube Testers-
Shorts and Gas Tests-Maintenance Practices | 111 |
Chapter 9. SPECIAL-PURPOSE TUBES
Filamentary Tubes-Low-Voltage Tubes-Phototubes-
Voltage-Regulator Tubes-Thyratrons |
128 |
Chapter 10. METHODS FOR LENGTHENING TUBE LIFE
Measuring Bulb Temperature - Dissipation Control -
Voltage and Current Regulation-Low-Voltage Opera-
tion-Mechanical-Maintenance |
145 |
| Glossary |
154 |
| Index |
158 |
"The above is reprinted, with permission, from Audio Amateur: Getting the most out of Vacuum Tubes, 2000. © Copyright 2000 by Audio
Amateur Corporation. P.O. Box 876, Peterborough, NH 03458, USA. All rights reserved."
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