Probe Design and Construction
... high B0 field homogeneity (often better than one part per billion), but sometimes it is advantageous to be able to deliberately spoil the field homogeneity over precise time periods by applying field gradients. When very high gradients and fast switching are required, as in diffusion measurements or ...
... high B0 field homogeneity (often better than one part per billion), but sometimes it is advantageous to be able to deliberately spoil the field homogeneity over precise time periods by applying field gradients. When very high gradients and fast switching are required, as in diffusion measurements or ...
Ultra-Compact Power Conversion Based on a CMOS
... power of 5 W. At each test point, converter efficiency was measured, as the power delivered to the electronic load divided by the power output by the 3 V input supply. Figure 9 presents the complete characterization results. The peak efficiency for 5 MHz switching was 82%, and the peak efficiency fo ...
... power of 5 W. At each test point, converter efficiency was measured, as the power delivered to the electronic load divided by the power output by the 3 V input supply. Figure 9 presents the complete characterization results. The peak efficiency for 5 MHz switching was 82%, and the peak efficiency fo ...
Comparative analysis of lightning overvoltages in distribution lines
... • Tests and many years of observations of atmospheric discharges show that peak value and steepness of wave front are random values of negligible correlation. This means that these parameters can be analyzed independently. • Analysis results of computer simulations, laboratory tests, and measurement ...
... • Tests and many years of observations of atmospheric discharges show that peak value and steepness of wave front are random values of negligible correlation. This means that these parameters can be analyzed independently. • Analysis results of computer simulations, laboratory tests, and measurement ...
Simple novice transmitter for the 3.5MHz amateur band
... be used for a speech amplifier and modulator—solid state or valves. For similar reasons already stated, we decided that it would be best to use valves. What valves? For the speech amplifier, there are a number of alternative choices but we settled for a 12AX7. This consists of two high gain triodes ...
... be used for a speech amplifier and modulator—solid state or valves. For similar reasons already stated, we decided that it would be best to use valves. What valves? For the speech amplifier, there are a number of alternative choices but we settled for a 12AX7. This consists of two high gain triodes ...
power flow analysis of three phase unbalanced
... locations along line section. If every load point is modeled as a node then there are a large number of nodes in the system. So these loads are represented as lumped loads. At one fourth length of line from sending node, where two thirds of the load is connected. For this a dummy node is created. On ...
... locations along line section. If every load point is modeled as a node then there are a large number of nodes in the system. So these loads are represented as lumped loads. At one fourth length of line from sending node, where two thirds of the load is connected. For this a dummy node is created. On ...
slides
... Waves are a means for transferring energy or information from one place to another What are EM waves? Electromagnetic waves as the name suggests, are a means for transferring electromagnetic energy Why it is named as plane waves? Mathematically assumes the following form r r r j ( kr •rr −ωt ) ...
... Waves are a means for transferring energy or information from one place to another What are EM waves? Electromagnetic waves as the name suggests, are a means for transferring electromagnetic energy Why it is named as plane waves? Mathematically assumes the following form r r r j ( kr •rr −ωt ) ...
Torque‐Speed Measurements
... torque at lower speeds. It also has the smoothest motion. At higher speeds, half‐step mode will have the most torque. FLIR pan‐tilts offer an auto‐step option. This setting will start the PTU out in eighth‐step mode at low speeds. It then switches to quarter‐step and finally half‐step at the spee ...
... torque at lower speeds. It also has the smoothest motion. At higher speeds, half‐step mode will have the most torque. FLIR pan‐tilts offer an auto‐step option. This setting will start the PTU out in eighth‐step mode at low speeds. It then switches to quarter‐step and finally half‐step at the spee ...
4 T M RANSMISSION
... and optical fiber. Unguided media employ an antenna for transmitting through air, vacuum, or water. • Traditionally, twisted pair has been the workhorse for communications of all sorts. Higher data rates over longer distances can be achieved with coaxial cable, and so coaxial cable has often been us ...
... and optical fiber. Unguided media employ an antenna for transmitting through air, vacuum, or water. • Traditionally, twisted pair has been the workhorse for communications of all sorts. Higher data rates over longer distances can be achieved with coaxial cable, and so coaxial cable has often been us ...
Directivity and VSWR Measurements
... addition of the voltages. This means that a small reflected D is the directivity defined in (2). This is illustrated in Fig. 4, wave can have a significant and variable impact on the where high and low power measurement errors for a device measured power depending on the phase rotation in the with a ...
... addition of the voltages. This means that a small reflected D is the directivity defined in (2). This is illustrated in Fig. 4, wave can have a significant and variable impact on the where high and low power measurement errors for a device measured power depending on the phase rotation in the with a ...
B1506A Power Device Analyzer for Circuit Design
... ensure first time design success The B1506A’s wide current and voltage measurement ranges meet advanced power electronics needs Certain power electronics circuits are designed to handle large currents (such as those necessary for driving motors or energizing an LED), and in the case of heavy equipme ...
... ensure first time design success The B1506A’s wide current and voltage measurement ranges meet advanced power electronics needs Certain power electronics circuits are designed to handle large currents (such as those necessary for driving motors or energizing an LED), and in the case of heavy equipme ...
Power electronic circuit arrangement having plural power converters
... diate circuit voltage —UZk2 or, if appropriate, 0 V can optionally be added to a voltage value Which is sWitched by the ?rst poWer converter to the load terminal thereof. A substantially ?ner gradation can therefore be achieved by means of a circuit arrangement according to the invention than in the ...
... diate circuit voltage —UZk2 or, if appropriate, 0 V can optionally be added to a voltage value Which is sWitched by the ?rst poWer converter to the load terminal thereof. A substantially ?ner gradation can therefore be achieved by means of a circuit arrangement according to the invention than in the ...
Smart Energy Trainer AEL-FUSG-E Technical Teaching Equipment
... FRECP is an unit designed to work as a magnetic brake by means of the induction of Foucault's parasitic currents. The FRECP is similar to an electrical motor, since it has a stator winding, the inductor, that we will feed with a DC voltage. We will change the braking torque by means of this direct v ...
... FRECP is an unit designed to work as a magnetic brake by means of the induction of Foucault's parasitic currents. The FRECP is similar to an electrical motor, since it has a stator winding, the inductor, that we will feed with a DC voltage. We will change the braking torque by means of this direct v ...
MSC8122 and MSC8126 Power Circuit Design Recommendations
... supply moves to the core VDD rail and charges the on-board decoupling capacitors. When the voltage on the core VDD rail rises to ~0.8 V, current begins to pass through R2 and D1 to the base of T2. This current switches transistor T2 on, which connects ground to the base of the T1. The resulting grou ...
... supply moves to the core VDD rail and charges the on-board decoupling capacitors. When the voltage on the core VDD rail rises to ~0.8 V, current begins to pass through R2 and D1 to the base of T2. This current switches transistor T2 on, which connects ground to the base of the T1. The resulting grou ...
Prevost Electrical Systems
... charge the house batteries. Often the house batteries are charged using a smaller alternator, but not always. There is no standard and as an owner you should make an effort to learn which alternator charges the house batteries and which charges the chassis batteries. Merely guessing is not an accept ...
... charge the house batteries. Often the house batteries are charged using a smaller alternator, but not always. There is no standard and as an owner you should make an effort to learn which alternator charges the house batteries and which charges the chassis batteries. Merely guessing is not an accept ...
Wide range soft switching PWM three
... Presently strict efficiency standards have been setup to reduce overall energy consumed by loads powered by the utility mains in data centers. In such applications, the power converters mostly operate between 20% of full load and 60% of full load, so higher efficiencies need to be achieved at these ...
... Presently strict efficiency standards have been setup to reduce overall energy consumed by loads powered by the utility mains in data centers. In such applications, the power converters mostly operate between 20% of full load and 60% of full load, so higher efficiencies need to be achieved at these ...
