PowerPoint 프레젠테이션
... 5 . 4 . 1 Resolution of the oscilloscope screen •The impulses usually are so short that they appear as straight lines perpendicular to the zero line. •The minimum thickness = about 0.2 mm •Two quadrants of the 50c/s = maximum of 250 impulse •A magnification of the time base is not used. •An upper l ...
... 5 . 4 . 1 Resolution of the oscilloscope screen •The impulses usually are so short that they appear as straight lines perpendicular to the zero line. •The minimum thickness = about 0.2 mm •Two quadrants of the 50c/s = maximum of 250 impulse •A magnification of the time base is not used. •An upper l ...
Aalborg Universitet
... URING the last years photovoltaic (PV) generation has emerged as one of the most used renewable energy sources (RES) due to current trend at the reduction on its installation cost [1]. However, the intermittent nature of PV generators, added together with unpredictable load fluctuations, may cause i ...
... URING the last years photovoltaic (PV) generation has emerged as one of the most used renewable energy sources (RES) due to current trend at the reduction on its installation cost [1]. However, the intermittent nature of PV generators, added together with unpredictable load fluctuations, may cause i ...
How Computers Work – Course Information
... computer. If you have ever removed the case from your personal computer to add an adapter card or memory, you can change a power supply. Make sure you remove the power cord first, since voltages are present even though your computer is off. Power Supply Improvements Recent motherboard and chipset im ...
... computer. If you have ever removed the case from your personal computer to add an adapter card or memory, you can change a power supply. Make sure you remove the power cord first, since voltages are present even though your computer is off. Power Supply Improvements Recent motherboard and chipset im ...
OP297
... Conformal coating is recommended to provide a humidity barrier. Even a clean PCB can have 100 pA of leakage currents between adjacent traces, therefore guard rings should be used around the inputs. Guard traces operate at a voltage close to that on the inputs, as shown in Figure 29, to minimize leak ...
... Conformal coating is recommended to provide a humidity barrier. Even a clean PCB can have 100 pA of leakage currents between adjacent traces, therefore guard rings should be used around the inputs. Guard traces operate at a voltage close to that on the inputs, as shown in Figure 29, to minimize leak ...
Non-RF Applications for the Surface Mount Schottky Diode Pairs
... states in the metal. This flow of electrons builds a depletion potential across the junction. The difference in energy levels between semiconductor and metal is called a Schottky barrier. P-doped Schottky barrier diodes excel at applications requiring ultra low turn-on voltage (such as zero biased R ...
... states in the metal. This flow of electrons builds a depletion potential across the junction. The difference in energy levels between semiconductor and metal is called a Schottky barrier. P-doped Schottky barrier diodes excel at applications requiring ultra low turn-on voltage (such as zero biased R ...
Evaluates: MAX9922/MAX9923 MAX9922 Evaluation Kit General Description Features
... and tested PCB used to evaluate the MAX9922 and MAX9923 ultra-precision, high-side current-sense amplifiers. An ultra-low offset voltage (VOS) of 10µV (max) allows accurate measurement of currents at both extremes of sense voltages (VSENSE), from 10mV to 100mV. The EV kit has a 1.9V to 28V input com ...
... and tested PCB used to evaluate the MAX9922 and MAX9923 ultra-precision, high-side current-sense amplifiers. An ultra-low offset voltage (VOS) of 10µV (max) allows accurate measurement of currents at both extremes of sense voltages (VSENSE), from 10mV to 100mV. The EV kit has a 1.9V to 28V input com ...
TECHNICAL DESCRIPTION
... - internal limitation of nominal current value with P1a (P1b) This current limitation is subsequently added to all limitations. That means that the pulse current set on P1 can on no account be exceeded. The limited nominal current value is fed to summation point SP3. The actual current value still ...
... - internal limitation of nominal current value with P1a (P1b) This current limitation is subsequently added to all limitations. That means that the pulse current set on P1 can on no account be exceeded. The limited nominal current value is fed to summation point SP3. The actual current value still ...
Reversible Current Power Supply for Fast-Field
... a field of high flux density (BD) is applied, preferably, during a short period of time. Relaxometers are usually composed by a magnet, where the sample is put, an acquisition system, that is, most of the times a Radio-Frequency system, that sends periodic pulses, and the power supply, that should b ...
... a field of high flux density (BD) is applied, preferably, during a short period of time. Relaxometers are usually composed by a magnet, where the sample is put, an acquisition system, that is, most of the times a Radio-Frequency system, that sends periodic pulses, and the power supply, that should b ...
chapter 5 active power compensation of statcom with energy storage
... energy storage methods. Depending on the power conversion unit’s control loop and switching characteristics, the SMES device can respond very rapidly (MWs/ mili-seconds) to power demands from maximum charge to maximum discharge. Power is available almost instantaneously and very high power output ca ...
... energy storage methods. Depending on the power conversion unit’s control loop and switching characteristics, the SMES device can respond very rapidly (MWs/ mili-seconds) to power demands from maximum charge to maximum discharge. Power is available almost instantaneously and very high power output ca ...
FEATURES DESCRIPTION D
... down the output is 50ns. To return the output to an enabled state, the E/S pin should be pulled to at least 2.0V above V−. Typically, the output is enabled within 3µs. It should be noted that pulling the E/S pin HIGH (output enabled) does not disable the internal thermal shutdown. ...
... down the output is 50ns. To return the output to an enabled state, the E/S pin should be pulled to at least 2.0V above V−. Typically, the output is enabled within 3µs. It should be noted that pulling the E/S pin HIGH (output enabled) does not disable the internal thermal shutdown. ...
Polarization-independent phase modulation using a polymer
... is the wavelength. The major advantage of such a homogeneous cell is that a large phase change can be obtained with a relatively low voltage. However, the homogeneous cell is polarization dependent and its response time, which depends on d2, is typically ⬃10 ms for a 5 m cell gap using a high biref ...
... is the wavelength. The major advantage of such a homogeneous cell is that a large phase change can be obtained with a relatively low voltage. However, the homogeneous cell is polarization dependent and its response time, which depends on d2, is typically ⬃10 ms for a 5 m cell gap using a high biref ...
Design of self-oscillating electronic ballast with high efficiency
... in series with the lamp. This inductive impedance limits the current in the lamp [2]. In the inductive impedance zone the inverter switches reach ZVS commutation in natural way. However, the turn-off is in hard switching, which decreases efficiency. The only way to improve the efficiency in the Clas ...
... in series with the lamp. This inductive impedance limits the current in the lamp [2]. In the inductive impedance zone the inverter switches reach ZVS commutation in natural way. However, the turn-off is in hard switching, which decreases efficiency. The only way to improve the efficiency in the Clas ...
Power Flow Enhancement of 220 KV
... A reliable and economical electrical power system plays a vital role in the economy of any country and its failure may seriously affect the economy. In order to achieve the reliable performance of the power system, different research techniques are being carried out. The Flexible Alternating Current ...
... A reliable and economical electrical power system plays a vital role in the economy of any country and its failure may seriously affect the economy. In order to achieve the reliable performance of the power system, different research techniques are being carried out. The Flexible Alternating Current ...
optimal location of capacitors and capacitor sizing in a
... capacitor placement and sizing in the RDS. The main drawback in all the above methods is poor convergence speed and obtaining near optimal solutions. This is overcome by presenting one of the new bio – inspired algorithm, namely Krill herd algorithm is used for solving the capacitor optimization pro ...
... capacitor placement and sizing in the RDS. The main drawback in all the above methods is poor convergence speed and obtaining near optimal solutions. This is overcome by presenting one of the new bio – inspired algorithm, namely Krill herd algorithm is used for solving the capacitor optimization pro ...
ZXLD383 Summary Features Application Pin Assignments Typical
... VOUT reaches the load LED’s forward (on) voltage, the inductor current is transferred from the internal switch to the LED, starting the energy discharge cycle. With the voltage across the inductor reversed, the current flowing through it (and the LED) now falls. When the inductor current reaches zer ...
... VOUT reaches the load LED’s forward (on) voltage, the inductor current is transferred from the internal switch to the LED, starting the energy discharge cycle. With the voltage across the inductor reversed, the current flowing through it (and the LED) now falls. When the inductor current reaches zer ...
Extend the I C-bus with advanced repeaters and hubs NXP 2-channel I
... electrically isolates that segment of the I2C-bus. This can be used, for example, to isolate a 100-kHz system from the rest of the 400-kHz system to support mixed operation at 100/400 kHz. The enable/disable feature can also be used with the PCI management bus to provide up to (or more than) eight P ...
... electrically isolates that segment of the I2C-bus. This can be used, for example, to isolate a 100-kHz system from the rest of the 400-kHz system to support mixed operation at 100/400 kHz. The enable/disable feature can also be used with the PCI management bus to provide up to (or more than) eight P ...
Differential Measurements
... voltage is referenced to ground may not be a problem, but for those voltage measurements where our reference point is not ground but another voltage or the true quality of the ground we are using is questionable, then we must use some method of making a true differential measurement. So why can't I ...
... voltage is referenced to ground may not be a problem, but for those voltage measurements where our reference point is not ground but another voltage or the true quality of the ground we are using is questionable, then we must use some method of making a true differential measurement. So why can't I ...
ha0220T_7_LD_Scanning Galvo System.fm
... by the driver circuit and are essentially equivalent to the input signal /2. Positioning Error x 5 - This signal is proportional to the difference between the demanded and the actual positions - (Position - Command) x 5 (i.e. (Pin 1 - pin 2) x 5). Motor Drive Current - The drive current of the motor ...
... by the driver circuit and are essentially equivalent to the input signal /2. Positioning Error x 5 - This signal is proportional to the difference between the demanded and the actual positions - (Position - Command) x 5 (i.e. (Pin 1 - pin 2) x 5). Motor Drive Current - The drive current of the motor ...