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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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CAPACITOR & CAPACITANCE sa CAPACITOR FORMING & TESTING x CONDENSOR (ELECTRONIC) xx ELECTRONIC COMPONENT Audio fundamentals. An introduction to impedance and its relationship to the concepts of resistance, inductance and capacitance. Tip on using polycarbonate and polystyrene capacitors in sound systems. Comments on using tantalum capacitors in audio applications. Tips on locating and using the new polypropylene, polystyrene and/or Teflon dielectrics (capacitors) in crossover networks and other audio circuits. Tips on capacitor replacement within the feedback loop of audio equipment. Tips on differentating among polystyrene, polypropylene, polcarbonate, and mylar capacitors. Simple two-channel circuit board accommodates most capacitor sizes from small polystyrenes to large WonderCaps. Ideal when adding bypass or coupling capacitors to an existing circuit. Tip on using sorbothane to dampen vibrations in capacitors. Making high-quality compensating capacitors from brass strip and Teflon tape. Choosing capacitors for audio applications. A look at the non-ideal behavior of real-world capacitors. Choosing coupling capacitor values for audio amplifiers. How to improve the performance of electrolytic capacitors, especially in video equipment. Cut-off frequency formulas for identical cascaded RC filter sections. How to solve time constant problems (the time it takes for a capacitor to go from zero to 63% of its final value). Capacitors. How they are made and how to apply them more cost-effectively in your circuits. Identification numbering scheme used on capacitors is explained. Complete chart of the obsolete "dot code" system for indicating the value of capacitors. The "power factor correction" of a circuit and the role of passive components (resistors, inductors and capacitors) is explained. Special section on variable capacitors. Designing LC tuned circuits. Nomograms aid capacitance calculations. C is for capacitance. What capacitors are, what they do, and how to make use of them. Explanation of how varactor diode tuning is replacing conventional variable capacitor tuning. Basic explanation of how capacitors work. Basic course in electricity and electronics. Part 8. Understanding capacitance (continued). Basic course in electricity and electronics. How capacitors work. How inductors, capacitors and resistors are used in electronic circuits. How to replace (resuscitate) filter capacitors in old (antique) radios. Emphasis is on the aluminum can type with the threaded neck mounting stud. Computer program (written in BASIC) will compute capacitance and inductive reactance values in electronic circuit designs. Electronics notebook. An explanation of capacitance. Guidelines for using aluminum electrolytic capacitors in audio applications. Electronic fundamentals. Capacitors and capacitance. Antique radio. Tracking down that uncontrollable hum. Problems with power supplies and filter capacitors in old radios. How much capacitance should you use? Determining the proper capacitance values for a specific job. Antique radio. The art of replacing defective electrolytic capacitors in old radios. E-Z math (for electronics). The math of capacitors. Capacitors: Is one as good as another? How to choose the right kind of capacitor for your project. Some tips. How to design a filter capacitor for a power supply. Experimenting with super capacitors with capacitances of up to a farad or more. Do-it-yourself electronic components. How to make your own inductors, coils, resistors, capacitors, electromagnets, solenoids and batteries. Capacitor know-how simplifies electronic projects. A practical approach to the selection of fixed capacitors. Large capacitor circuit rated at 15 volts operates in excess of 10,000 microfarads. Electrolytic restorer is used to reform the dielectric in electrolytic capacitors that have not been used for an extended period of time. Color code charts for determining values of resistors and capacitors. Circuit shows how extremely large coupling capacitors can be fabricated from electrolytics and shunting diodes. Capacitors and RF circuits. Part 1. The role of capacitors in resistor-capacitor (RC) circuits. Capacitors and RF circuits. Part 2. Mathematical shortcut used to calculate capacitive reactance. Choosing and using capacitors. Learn about the many types of fixed and variable capacitors, and the right way to use them. Also tips on cleaning variable capacitors. Make your own high-voltage capacitors. An introduction to reactance. A comparison between simple resistive circuits and reactive circuits (circuits with capacitors and inductors). Tuned circuits and resonance. Learn how series-tuned and parallel-tuned circuits work, and how to analyze them. These circuits depend on the use of capacitors and inductors. Capacitor tutorial. Part 1. How they work. Capacitor tutorial. Part 2. How a capacitor's value or capacity is determined. Simple tool for discharging electrolytic capacitors consists of alligator clips and a resistor. Capacitor tutorial. Part 3. Selecting a large enough capacitor for the application. Capacitor tutorial. Part 4. Characteristics and application of capacitors based on the properties of their dielectrics. Capacitor tutorial. Part 5. Paper and metalized-paper capacitors. Variable capacitors. How they work, applications, sources, etc. Capacitor tutorial. Part 6. Aluminum electrolytic units. Capacitor tutorial. Part 7. Tantalum family of capacitors. Capacitor tutorial. Part 8. Glass monolithic type. Tip on keeping radio restorations looking authentic by installing new, smaller capacitors inside the shells of large, old capacitors. Troubleshooting TV capacitors. How to design high frequency analog circuits. Selecting the best resistor/capacitor. Part 1. A look at the various types of resistors and capacitors and what factors you should consider when selecting which type to use. Selecting the best resistor/capactior. Part 2. Tip: Use the tuning capacitor from an old table-model AC-DC radio in place of a 365-pF variable capacitor. Spark-gap capacitors. What they are and how they work to protect TV sets from voltage surges. Importance of using original condensers (capacitors) and vacuum tubes in antique radio restorations. All about capacitors, the "first" electronic component. How they work, how they are used, their construction, etc. Part 1. All about capacitors. Part 2. How to pick the correct value of ripple-filter capacitance for a line-operated power supply. Introduction to the concept of electronic tuning of a resonant circuit to a desired frequency using a varactor (varactor diode, silicon capacitor, voltage-controlled capacitor, voltage-variable capacitor). Tip on proper condenser type and rating for use in an automotive ignition system. Capacitors for passive crossovers. A comprehensive look at their selection and use. Capacitors. Why they matter. Outline of the differences among capacitor types and advice on choosing components for a loudspeaker crossover. | |||||||||
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