Inductance Capacitance Resistance
Inductance Capacitance Resistance
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Inductance $128 The only resource devoted Solely to Inductance Inductance is an unprecedented text, thoroughly discussing “loop” inductance as well as the increasingly important “partial” inductance. These concepts and their proper calculation are crucial in designing modern high-speed digital systems. World-renowned leader in electromagnetics Clayton Paul provides the knowledge and tools necessary to understand and calculate inductance. Unlike other texts, Inductance provides all the details about the derivations of the inductances of various inductors, as well as: Fills the need for practical knowledge of partial inductance, which is essential to the prediction of power rail collapse and ground bounce problems in high-speed digital systems Provides a needed refresher on the topics of magnetic fields Addresses a missing link: the calculation of the values of the various physical constructions of inductors—both intentional inductors and unintentional inductors—from basic electromagnetic principles and laws Features the detailed derivation of the loop and partial inductances of numerous configurations of current-carrying conductors With the present and increasing emphasis on high-speed digital systems and high-frequency analog systems, it is imperative that system designers develop an intimate understanding of the concepts and methods in this book. Inductance is a much-needed textbook designed for senior and graduate-level engineering students, as well as a hands-on guide for working engineers and professionals engaged in the design of high-speed digital and high-frequency analog systems. |
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2.8′ LCD Current/Voltage/Capacitance/Resistance Digital Multimeter (1*6F22) $14 - A compact, battery operated, handheld with safety protector- Best choice for technicians, service men, students and hobbyists who required aninstrument that is accurate, reliable and always ready for use- Overload indication and protection, low battery indication- Packed with a pair of test leads (70cm)- Test leads and 1*6F22 battery (included)- Capacitance: 2nF to 200uF- AC Volts: 200mV to 700V- DC Volts: 200mV to 1,000V- AC Current: 2mA to 10A- DC Current: 200UA to 10A- Resistance: 200 ohm to 200M ohmSpecificationsDimensions: 7.56 in x 3.58 in x 1.42 inWeight: 12.95 oz |
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2.6′ LCD Current/Voltage/Capacitance/Resistance/Temperature/Frequency Digital Multimeter (1*6F22) $20.9 - A compact, battery operated, handheld with safety protector- Best choice for technicians, service men, students and hobbyists who required an instrument that is accurate, reliable and always ready for use- Auto ranging with good sensitivity, resolution and accuracy- Overload indication and protection, low battery indication- Packed with a pair of test leads (70cm)- Test leads and 1*6F22 battery (included)- Frequency: 200Khz- Temperature: -40C to 1000′C- Capacitance: 2nF to 200uF- AC Volts: 200mV to 700V- DC Volts: 200mV to 1,000V- AC Current: 2mA to 10A- DC Current: 200UA to 10A- Resistance: 200 ohm to 200M ohmSpecificationsDimensions: 7.44 in x 3.7 in x 1.85 inWeight: 18.06 oz |
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Inductance Calculations $15.23 No Synopsis Available |
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TRIPP LITE A102-04M 12-Feet Digital Optical Audio Cable to Link M/M $5.99 SUPERIOR-GRADE OPTICAL FIBER & PRECISION POLISHED OPTICAL TERMINATION OFFERS THE BEST POSSIBLE SOUND QUALITY THROUGH DIGITAL FIBER OPTIC SIGNALS IMMUNE TO ALL FORMS OF EMI/RFI LIFETIME PRODUCT WARRANTY12 MUPC : 037332121929Shipping Dimensions : 9.00in X 7.00in X 1.00inEstimated Shipping Weight : 0.3795… |
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Goldring Moving Magnet 1006 Cartridge $350.00 The Goldring 1006 is designed for owners who want to get the very best from their systems at an affordable price. This cartridge has an elliptical tip for improved high frequency clarity and a powerful magnet to ensure high sensitivity…. |
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Amico KMB4721/111 High Frequency Signal Isolation Thyristors Encapsulated Transformer $5.59 Characteristics: Vacuum epoxy resin embedding. Used on IGBT, MOS driver, high frequency signal isolation and transmission. With pins terminals design for easily assembling on the PCB board. Dielectric strength : 3500V AC/min… |
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Sinometer MS8222H Digital Multimeter & LCR Meter $35.83 The Sinometer MS8222H is a professional fully featured digital multimeter as well as a LCR meter, you can use it to measure AC/DC voltage and current, resistance, capacitance, inductance, frequency and temperature both in fahrenheit and celsius. This meter comes with all the accessories and 1 year manufacturer’s warranty. Specifications: *DCV:0-200mV-6V-60V-600V-1000V±0.5% *ACV:0-200mV-2V-20V-±0… |
How Do Metal Detectors Work?
In 1881, Alexander Graham Bell constructed one of the world's first metal detectors in an attempt to find an assassin's bullet in President James Garfield. Fischer patented a portable version in 1931. From treasure hunting to security screening, metal detectors are used in many a field.
Metal detectors are electronic devices that are used to find traces of metal usually from the ground, a person, or cargo. This metal could be anything from discarded pieces of aluminum to buried treasures. These devices can penetrate sand, soil, wood and other non-metallic substances.
A basic metal detector consists of an electronic box and a battery case on one end, with a handle for the operator's arm. There is a coil, which consists of an insulated wire around a telescoping shaft and into a round plastic disk. This disk comes off the shaft at an angle, which allows it to be held parallel to the ground. The operator grips the electronic box and turns on the power to slowly sweep the coil end over the ground until an electronic signal is heard. This indicates the presence of some metallic element buried beneath the area swept by the coil.
Metal detectors work on the principal of electromagnetism and their effects on conductive metals. The high-powered coil of metal, called the transmitter, uses the battery power to generate a penetrating magnetic field. As the electromagnetic field enters the ground, anything metallic will become charged with magnetism. When the receiver in the coil detects the electromagnetic signature, it sends a signal to the electronic box. A speaker amplifies this signal and the operator hears a beep. Microprocessors located in the electronic box can actually measure the time between the charging and the receiving (called a phase shift) and determine which metals may be present. This is how high-end metal detectors can be adjusted to only search for certain metals.
Metal detectors use one of three technologies:
A beat frequency oscillator detector uses a coil as an inductor in an oscillator. When its frequency changes, so does its inductance. Another oscillator produces a close frequency, and audible beats between them signal metal.
An induction balance detector uses two coils that overlap each other. A sine wave is transmitted with one coil and received with the other. The coils are adjusted so that there is no signal in the receiving coil when there is no metal nearby.
A pulse induction detector generates pulses by cutting off an indicator. This pulse is sent through a coil and the detector listens for echoes.Metal Detectors Infoprovides detailed information about walk-through, hand-held, and used metal detectors, as well as reviews of best metal detectors. Metal Detectors Info is the sister site ofSecurity Cameras Web.
Article Source: http://www.simplysearch4it.com/article/8619.html
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3 3/4 Digit, Cap. / Ind. / Logic $88.95 In addition to functions found in regular DMMs, this meter can also measure inductance in 5 ranges (4mH,40mH,400mH,4H, 40H), capacitance in 5 ranges (4nF,40nF, 400nF, 4uF, 400uF), frequency in 4 ranges(4KHz, 40KHz, 400KHz, 4MHz), TTL logic test, diode test and transistor hFE test. 5 AC/DC ranges up to 1000V (AC750V), 3 AC/DC current ranges up to 20A and 7 resistance ranges up to 4000 M ohms. Includes test leads, battery, spare fuse, and manual. Net weight: 1lb. |
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72 Pro A/V Premium Toslink Digital Optical SPDIF Audio Cable Male/Male in Black $12.99 DCY1080: Features: -Toslink Optical Cables.-Nippon Labs premium Toslink Digital Optical Cable provides the ultimate in pure, digital audio quality.-Using superior grade optical fiber, and precision polished optical connectors, Toslink cables offer a clean signal at even the most extreme volumes to give you a detailed, rich sound.-Curved, polished optical fiber lens precisely focuses light for incredible digital audio clarity.-Thick outer jacket and heavy-duty strain relief prevent kinking to maintain digital signal integrity.-Inner cladding over the high-grade optical fiber creates a low refractive index for signal accuracy.-Experience true digital surround sound from your Dolby Digital and DTS capable components.-Toslink connections are simple to install and remove for quick, precise digital audio connections.-Digital Optical Fiber offers the best in audio clarity.-Precision polished optical termination minimizes loss for better high frequencies, and a more realistic stereo image.-Immune to all Electromagnetic and Radio-Frequency interference.-Eliminates distortion caused by inductance, capacitance, and resistance found in copper cables.-Connector number: 2.-Spec: Toslink Optical Cables. Construction: -Ultra flexible PVC jacket construction makes installation easy, even in hard to reach areas. Color/Finish: -Color: Black. Dimensions: -Length: 72''. |