AN4027
... MOSFET driving and decreasing its own consumption. This function allows great power saving at light load with respect to benchmark SR solutions. In order to decrease the output capacitors size, aluminium solid capacitors with very low ESR were preferred to standard electrolytic ones. Therefore, high ...
... MOSFET driving and decreasing its own consumption. This function allows great power saving at light load with respect to benchmark SR solutions. In order to decrease the output capacitors size, aluminium solid capacitors with very low ESR were preferred to standard electrolytic ones. Therefore, high ...
Design of Large Permanent Magnetized Synchronous Electric
... An important part of the project was to show that the SM RFPM enables this solution, providing high performance with a large air gap. The prototype has been tested in sea, under harsh conditions, and even though the magnets have been exposed directly to sea water and been visible corroded, the elect ...
... An important part of the project was to show that the SM RFPM enables this solution, providing high performance with a large air gap. The prototype has been tested in sea, under harsh conditions, and even though the magnets have been exposed directly to sea water and been visible corroded, the elect ...
MAX8520/MAX8521 Smallest TEC Power Drivers for Optical Modules General Description
... and high switching frequency reduces the size of external components. ...
... and high switching frequency reduces the size of external components. ...
Tutorial : Operational Amplifiers / Comparators
... We understand that amplified voltage can be supplied to the load without attenuating, with no attenuation of voltage at the signal source. Therefore, it is desirable that infinite input resistance and zero output resistance are provided for voltage controlled voltage source. Input resistance and out ...
... We understand that amplified voltage can be supplied to the load without attenuating, with no attenuation of voltage at the signal source. Therefore, it is desirable that infinite input resistance and zero output resistance are provided for voltage controlled voltage source. Input resistance and out ...
CHAPTER 2 Switched Mode Power Supplies - TFE
... converter can also be optimised and the peak currents flowing minimised. The polarity of each output is also selectable, dependent upon the polarity of the secondary w.r.t the primary. 3) Multiple outputs are very easily obtained, simply by adding more secondary windings to the transformer. There ar ...
... converter can also be optimised and the peak currents flowing minimised. The polarity of each output is also selectable, dependent upon the polarity of the secondary w.r.t the primary. 3) Multiple outputs are very easily obtained, simply by adding more secondary windings to the transformer. There ar ...
Eskom`s unique type test requirements for lightning surge
... Lightning surge arresters are widely used by utilities to protect transformers and other equipment on medium voltage (MV) distribution lines. It is common practice to fit these arresters with ground lead disconnectors (GLDs). The function of the GLD is to disconnect a failed arrester from the networ ...
... Lightning surge arresters are widely used by utilities to protect transformers and other equipment on medium voltage (MV) distribution lines. It is common practice to fit these arresters with ground lead disconnectors (GLDs). The function of the GLD is to disconnect a failed arrester from the networ ...
MAX8660/MAX8660A/MAX8660B/MAX8661 High-Efficiency, Low-I , PMICs with Dynamic Voltage Management for Mobile Applications
... and an 8th always-on LDO are integrated with powermanagement functions. Two dynamically controlled DCDC outputs power the processor core and internal memory. Two other DC-DC converters power I/O, memory, and other peripherals. Additional functions include on/off control for outputs, low-battery dete ...
... and an 8th always-on LDO are integrated with powermanagement functions. Two dynamically controlled DCDC outputs power the processor core and internal memory. Two other DC-DC converters power I/O, memory, and other peripherals. Additional functions include on/off control for outputs, low-battery dete ...
7 Series FPGAs PCB Design and Pin Planning Guide
... A via is a piece of metal making an electrical connection between two or more points in the Z space of a PCB. Vias carry signals or power between layers of a PCB. In current platedthrough-hole (PTH) technology, a via is formed by plating the inner surface of a hole drilled through the PCB. In curren ...
... A via is a piece of metal making an electrical connection between two or more points in the Z space of a PCB. Vias carry signals or power between layers of a PCB. In current platedthrough-hole (PTH) technology, a via is formed by plating the inner surface of a hole drilled through the PCB. In curren ...
investigation of techniques for reducing unintentional
... describes decoupling capacitance options at the various levels of a high-speed circuit (i.e. on-die, on-package and on-board). This section describes how the geometries at each level affect the relationship between connection inductance and resistance, and therefore determine the range of frequencie ...
... describes decoupling capacitance options at the various levels of a high-speed circuit (i.e. on-die, on-package and on-board). This section describes how the geometries at each level affect the relationship between connection inductance and resistance, and therefore determine the range of frequencie ...
Alternating Current Circuits and Electromagnetic Waves
... Alternating Current Circuits and Electromagnetic Waves ...
... Alternating Current Circuits and Electromagnetic Waves ...
S - Michigan State University
... analyzed and summarized into graphs according to the theory, which helps find the right capacitance value for a given voltage ripple tolerance and the rms ripple current that the capacitor has to absorb. In hybrid electric vehicle (HEV) applications, the high voltage battery pack is connected to the ...
... analyzed and summarized into graphs according to the theory, which helps find the right capacitance value for a given voltage ripple tolerance and the rms ripple current that the capacitor has to absorb. In hybrid electric vehicle (HEV) applications, the high voltage battery pack is connected to the ...
SECTION – III STEP UP SUBSTATION
... strength. When using lightning arrestors the economic factor may be one of greater risk to the arrestor than to the equipment insulation. The arrestor can be applied so that it will protect the insulation but may under certain extreme conditions, usually unlikely, be subjected to sustained rms tempo ...
... strength. When using lightning arrestors the economic factor may be one of greater risk to the arrestor than to the equipment insulation. The arrestor can be applied so that it will protect the insulation but may under certain extreme conditions, usually unlikely, be subjected to sustained rms tempo ...
Study Guide for Exam Questions
... Which of the following is a recommended way to break into a conversation when using phone? A. Say “QRZ” several times followed by your call sign B. Say your call sign during a break between transmissions from the other stations C. Say “Break. Break. Break.” and wait for a response D. Say “CQ” fo ...
... Which of the following is a recommended way to break into a conversation when using phone? A. Say “QRZ” several times followed by your call sign B. Say your call sign during a break between transmissions from the other stations C. Say “Break. Break. Break.” and wait for a response D. Say “CQ” fo ...
LM43603-Q1 SIMPLE SWITCHER 3.5-V to 36-V, 3
... The LM43603-Q1 SIMPLE SWITCHER® regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 3 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V absolute maximum). The LM43603-Q1 provides exceptional efficiency, output accuracy, and dropout voltag ...
... The LM43603-Q1 SIMPLE SWITCHER® regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 3 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V absolute maximum). The LM43603-Q1 provides exceptional efficiency, output accuracy, and dropout voltag ...
MAX1816/MAX1994 Dual Step-Down Controllers Plus Linear- Regulator Controller for Notebook Computers General Description
... proprietary Quick-PWM™ control architecture. This fastresponse, constant-on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant” on-response to load transients, while maintaining a relatively constant switching frequency. The MAX1816/MAX1994 also ha ...
... proprietary Quick-PWM™ control architecture. This fastresponse, constant-on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant” on-response to load transients, while maintaining a relatively constant switching frequency. The MAX1816/MAX1994 also ha ...
30 LED Projects - Talking Electronics
... and can be placed on a 5v supply. This is very rare. Some websites suggest placing a white LED on a 5v supply. These LEDs have a characteristic voltage-drop of 3.6v and should not be placed directly on a voltage above 3.6v. If placed on a voltage below 3.6v, the LED will not glow very brightly. If y ...
... and can be placed on a 5v supply. This is very rare. Some websites suggest placing a white LED on a 5v supply. These LEDs have a characteristic voltage-drop of 3.6v and should not be placed directly on a voltage above 3.6v. If placed on a voltage below 3.6v, the LED will not glow very brightly. If y ...
Manual: Rosemount 1152 Alphaline® Nuclear Pressure Transmitter
... Rosemount 1152 Pressure Transmitters are designed for precision pressure measurements in nuclear applications requiring reliable performance and safety over an extended service life. The Rosemount 1152 transmitter is available with 4–20 or 10–50 mA output. The 4–20 mA output has been tested to IEEE ...
... Rosemount 1152 Pressure Transmitters are designed for precision pressure measurements in nuclear applications requiring reliable performance and safety over an extended service life. The Rosemount 1152 transmitter is available with 4–20 or 10–50 mA output. The 4–20 mA output has been tested to IEEE ...
sensorless digital control of grid connected three phase
... for renewable energy. Power electronics converters achieve high efficiency, and the price of their components is falling, thus making them even more beneficial for renewable energy applications. Those systems coupled to the grid need to withstand certain utility-defined circumstances which may occur ...
... for renewable energy. Power electronics converters achieve high efficiency, and the price of their components is falling, thus making them even more beneficial for renewable energy applications. Those systems coupled to the grid need to withstand certain utility-defined circumstances which may occur ...
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.""