Inductor equations - Electro Tech Online
... [in the above expression “u(t)” is used instead of “v(t)”] ….Note that over a period of a voltage waveform, there are obviously an infinite number of instantaneous values of v(t), and squaring each one, and then adding those squared values up cumulatively sounds like a daunting proposition!….however ...
... [in the above expression “u(t)” is used instead of “v(t)”] ….Note that over a period of a voltage waveform, there are obviously an infinite number of instantaneous values of v(t), and squaring each one, and then adding those squared values up cumulatively sounds like a daunting proposition!….however ...
reduction of harmonics in electronic ballast using buck boost converter
... the lighting industry. But due to their low level of lumen capacity and efficiency the consumption level is reduced to improve that high power factor LED and CFL bulbs have been introduced. The LED has more advantages with long lifetime, robustness, and small size, but in cost it was economically hi ...
... the lighting industry. But due to their low level of lumen capacity and efficiency the consumption level is reduced to improve that high power factor LED and CFL bulbs have been introduced. The LED has more advantages with long lifetime, robustness, and small size, but in cost it was economically hi ...
Glossary of Terms - Advanced Protection Technologies
... passed through it. This interaction offers an impedance to current flow, thereby causing the current waveform to lag behind the voltage waveform. This results in what is known as a lagging power factor. Insertion loss - Also called "feed through loss". This is the loss that occurs as signals pass th ...
... passed through it. This interaction offers an impedance to current flow, thereby causing the current waveform to lag behind the voltage waveform. This results in what is known as a lagging power factor. Insertion loss - Also called "feed through loss". This is the loss that occurs as signals pass th ...
brouchure
... occurs in transmission line. An Isolation Transformer blocks transmission of DC signal from one circuit to other and allow ac signal to transmit. It also prevents interference cost by ground looping. Isolation Transformers are constructed with two isolated Faraday shields between the primary and sec ...
... occurs in transmission line. An Isolation Transformer blocks transmission of DC signal from one circuit to other and allow ac signal to transmit. It also prevents interference cost by ground looping. Isolation Transformers are constructed with two isolated Faraday shields between the primary and sec ...
(But Were Afraid To Ask) Part 1
... 300 Hz, and so on. It can be shown that any voltage or current waveform, either sinusoidal or non-sinusoidal, can be resolved into its harmonic components (also known as “orders”) with varying magnitude and phase. This is graphically demonstrated in Figure 4. At any point in time in the graph, it ca ...
... 300 Hz, and so on. It can be shown that any voltage or current waveform, either sinusoidal or non-sinusoidal, can be resolved into its harmonic components (also known as “orders”) with varying magnitude and phase. This is graphically demonstrated in Figure 4. At any point in time in the graph, it ca ...
NJM2506 - New Japan Radio
... This product will be discontinued its production in the near term. And it is provided for customers currently in use only, with a time limit. It can not be available for your new project. Please select other new or existing products. For more information, please contact our sales office in your regi ...
... This product will be discontinued its production in the near term. And it is provided for customers currently in use only, with a time limit. It can not be available for your new project. Please select other new or existing products. For more information, please contact our sales office in your regi ...
Line Transformer - Selection Guide
... Use Isolation (series 172, 179 or 289) Could use “Auto” (series 175) Straight Isolation Use Isolation (series 169 or 171) ...
... Use Isolation (series 172, 179 or 289) Could use “Auto” (series 175) Straight Isolation Use Isolation (series 169 or 171) ...
PHYS 202 Notes, Week 7
... So far, when learning about circuits we’ve treated the emf source as one of direct current, meaning that it always delivers a constant potential difference. In real world applications, many circuits are alternating current, or AC, with the potential difference (and thus the current varying as a func ...
... So far, when learning about circuits we’ve treated the emf source as one of direct current, meaning that it always delivers a constant potential difference. In real world applications, many circuits are alternating current, or AC, with the potential difference (and thus the current varying as a func ...
Theremin in Human Posture Identification
... In order to construct a proximity sensor, the volume control part of Theremin's instrument will be used, which is presented in dashed part of Figure 1. According to this, the final electronic scheme will incorporate two oscillators, where the first oscillator's resonant frequency is controlled by ch ...
... In order to construct a proximity sensor, the volume control part of Theremin's instrument will be used, which is presented in dashed part of Figure 1. According to this, the final electronic scheme will incorporate two oscillators, where the first oscillator's resonant frequency is controlled by ch ...
Sorensen XPF Series 350–840 W 35–60 V 10–20 A
... in the choice of voltage and current. Typically, the maximum voltage and maximum current are not required simultaneously. The PowerFlexTM design enables higher currents to be generated at lower voltages within an overall power limit envelope. This is achieved by using the latest switch-mode technolo ...
... in the choice of voltage and current. Typically, the maximum voltage and maximum current are not required simultaneously. The PowerFlexTM design enables higher currents to be generated at lower voltages within an overall power limit envelope. This is achieved by using the latest switch-mode technolo ...
AC - UniMAP Portal
... Explain the difference between AC and DC Express angular measure in both degrees and radians. Compute the peak, peak-peak, and instantaneous values of a waveform. Define and solve for the RMS value Define cycle, period, and frequency Given the analytical expression, sketch and explain the graph of a ...
... Explain the difference between AC and DC Express angular measure in both degrees and radians. Compute the peak, peak-peak, and instantaneous values of a waveform. Define and solve for the RMS value Define cycle, period, and frequency Given the analytical expression, sketch and explain the graph of a ...
evm
... wide and uniform frequency response makes it ideal for frequency response measurements on pick-ups, audio and video frequency amplifiers and for a host of measurements at frequencies up to 250 megacycles per second, which cannot be made with conventional multimeters. ...
... wide and uniform frequency response makes it ideal for frequency response measurements on pick-ups, audio and video frequency amplifiers and for a host of measurements at frequencies up to 250 megacycles per second, which cannot be made with conventional multimeters. ...
Diode Analog Switches 1 M H Miller SELECTED ANALOG SWITCH
... left as an exercise. ‘Balanced’ Diode Modulator In the preceding diode switch circuit the junction voltage drop of the ‘switch’ diode appears in the output voltage expression. This annoyance is removed (largely) with the introduction of an additional diode oriented as illustrated on the right. It wo ...
... left as an exercise. ‘Balanced’ Diode Modulator In the preceding diode switch circuit the junction voltage drop of the ‘switch’ diode appears in the output voltage expression. This annoyance is removed (largely) with the introduction of an additional diode oriented as illustrated on the right. It wo ...
metal halide, pulse start metal halide, high
... HALIDE, HIGH PRESSURE SODIUM CAUTION: These electrical checks should only be performed by qualified personnel familiar with the use of electrical test procedures and aware of potential shock hazards inherently present with electrical equipment. ...
... HALIDE, HIGH PRESSURE SODIUM CAUTION: These electrical checks should only be performed by qualified personnel familiar with the use of electrical test procedures and aware of potential shock hazards inherently present with electrical equipment. ...
Low Noise Amplifier
... requirement is not always easy to meet and may require the VCO or resonant circuit to be switched in some extreme circumstances. • VCO tuning gain: The gain of the voltage controlled oscillator is important. It is measured in terms of volts per Hz (or V/MHz, etc). As implied by the units it is the t ...
... requirement is not always easy to meet and may require the VCO or resonant circuit to be switched in some extreme circumstances. • VCO tuning gain: The gain of the voltage controlled oscillator is important. It is measured in terms of volts per Hz (or V/MHz, etc). As implied by the units it is the t ...
Spark-gap transmitter
A spark-gap transmitter is a device that generates radio frequency electromagnetic waves using a spark gap.Spark gap transmitters were the first devices to demonstrate practical radio transmission, and were the standard technology for the first three decades of radio (1887–1916). Later, more efficient transmitters were developed based on rotary machines like the high-speed Alexanderson alternators and the static Poulsen Arc generators.Most operators, however, still preferred spark transmitters because of their uncomplicated design and because the carrier stopped when the telegraph key was released, which let the operator ""listen through"" for a reply. With other types of transmitter, the carrier could not be controlled so easily, and they required elaborate measures to modulate the carrier and to prevent transmitter leakage from de-sensitizing the receiver. After WWI, greatly improved transmitters based on vacuum tubes became available, which overcame these problems, and by the late 1920s the only spark transmitters still in regular operation were ""legacy"" installations on naval vessels. Even when vacuum tube based transmitters had been installed, many vessels retained their crude but reliable spark transmitters as an emergency backup. However, by 1940, the technology was no longer used for communication. Use of the spark-gap transmitter led to many radio operators being nicknamed ""Sparks"" long after they ceased using spark transmitters. Even today, the German verb funken, literally, ""to spark,"" also means ""to send a radio message or signal.""