GD75232 MULTIPLE RS-232 DRIVERS AND RECEIVERS
... See Figure 3 RL = 3 kΩ to 7 kΩ, CL = 2500 pF, See Figure 3 and Note 5 RL = 3 kΩ to 7 kΩ, CL = 15 pF, See Figure 3 ...
... See Figure 3 RL = 3 kΩ to 7 kΩ, CL = 2500 pF, See Figure 3 and Note 5 RL = 3 kΩ to 7 kΩ, CL = 15 pF, See Figure 3 ...
MAX8792 Single Quick-PWM Step-Down Controller with Dynamic REFIN General Description
... provides high efficiency, excellent transient response, and high DC-output accuracy needed for stepping down high-voltage batteries to generate low-voltage core or chipset/RAM bias supplies in notebook computers. The output voltage can be dynamically controlled using the dynamic REFIN, which support ...
... provides high efficiency, excellent transient response, and high DC-output accuracy needed for stepping down high-voltage batteries to generate low-voltage core or chipset/RAM bias supplies in notebook computers. The output voltage can be dynamically controlled using the dynamic REFIN, which support ...
GCSE Physics Teacher guide Teacher guide
... Investigating the generator effect by “cutting” a foil strip across a strong magnetic field. The foil strip (via leads) is connected to a deflection beam galvanometer. Demonstrating a model motor connected to a deflection beam galvanometer as a generator. Investigating how a simple 6 V d.c. motor ca ...
... Investigating the generator effect by “cutting” a foil strip across a strong magnetic field. The foil strip (via leads) is connected to a deflection beam galvanometer. Demonstrating a model motor connected to a deflection beam galvanometer as a generator. Investigating how a simple 6 V d.c. motor ca ...
Investigation of the operation of Xilinx FPGAs at cold temperature
... The mil-grade versions of components are typically rated at -55C to +125C. Since this range satisfies most of the customer requirements, there is no incentive for a manufacturer to qualify FPGAs outside of this range. There are some terrestrial applications for high temperature applications, such ...
... The mil-grade versions of components are typically rated at -55C to +125C. Since this range satisfies most of the customer requirements, there is no incentive for a manufacturer to qualify FPGAs outside of this range. There are some terrestrial applications for high temperature applications, such ...
EE2201(UNIT5)
... The type of output which may be available from the transducers may be available from the transducers may be a voltage, current , impedance or a time function of these amplitudes. ...
... The type of output which may be available from the transducers may be available from the transducers may be a voltage, current , impedance or a time function of these amplitudes. ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331,
... will be available with a better isolation. A design example of a 60W converter supplied from a 100V /50 Hz mains used for LED lighting application is considered. Simulation results demonstrate that the proposed LED supply with an isolated front end PFC gains a power factor of 0.9995. Due to the prop ...
... will be available with a better isolation. A design example of a 60W converter supplied from a 100V /50 Hz mains used for LED lighting application is considered. Simulation results demonstrate that the proposed LED supply with an isolated front end PFC gains a power factor of 0.9995. Due to the prop ...
ISL6308 - Intersil
... regulation system for multiple applications including, but not limited to, high current low voltage point-of-load converters, embedded applications and other general purpose low voltage medium to high current applications.The integration of power MOSFET drivers into the controller IC marks a departu ...
... regulation system for multiple applications including, but not limited to, high current low voltage point-of-load converters, embedded applications and other general purpose low voltage medium to high current applications.The integration of power MOSFET drivers into the controller IC marks a departu ...
Minimum Voltage for Threshold Switching in Nanoscale
... Compared to the vertical device architecture commonly employed in integrated memory devices,3,8,20 planar devices4,7,14-19 offer important advantages for fundamental studies. First, four-probe geometry can be easily realized in NW devices, enabling the disentanglement of metal-NW contact issues from ...
... Compared to the vertical device architecture commonly employed in integrated memory devices,3,8,20 planar devices4,7,14-19 offer important advantages for fundamental studies. First, four-probe geometry can be easily realized in NW devices, enabling the disentanglement of metal-NW contact issues from ...
Physics 201 - Request a Spot account
... disk holding only its handle. The disk is now charged. Determine whether is contains a positive or a negative charge. 18) In the previous step, does the disk still become charged if you skip touching it with your fingers? Speculate on the reasons for this process, including an explanation for the si ...
... disk holding only its handle. The disk is now charged. Determine whether is contains a positive or a negative charge. 18) In the previous step, does the disk still become charged if you skip touching it with your fingers? Speculate on the reasons for this process, including an explanation for the si ...
Optimizing Low Current Measurements with the Model 4200
... Guarding can also be used to reduce leakage currents in cabling. Figure 12 illustrates how a driven guard prevents the leakage resistance of a cable from degrading low current measurements. In the unguarded configuration, the leakage resistance of the coax cable is in parallel with the DUT (R DUT ), ...
... Guarding can also be used to reduce leakage currents in cabling. Figure 12 illustrates how a driven guard prevents the leakage resistance of a cable from degrading low current measurements. In the unguarded configuration, the leakage resistance of the coax cable is in parallel with the DUT (R DUT ), ...
national semiconductor
... the capacitors from discharging through low current points into the regulator. Most 10 µF capacitors have low enough internal series resistance to deliver 20A spikes when shorted. Although the surge is short, there is enough energy to damage parts of the IC. When an output capacitor is connected to ...
... the capacitors from discharging through low current points into the regulator. Most 10 µF capacitors have low enough internal series resistance to deliver 20A spikes when shorted. Although the surge is short, there is enough energy to damage parts of the IC. When an output capacitor is connected to ...
Archived: FP-RLY-420 Operating Instructions
... force when the relay switches. This flyback voltage can severely damage the relay contacts and greatly shorten the life of the relay. It is best to limit flyback voltages by installing a flyback diode across an inductive DC load or a metal oxide varistor (MOV) across an inductive AC load. The FP-RLY ...
... force when the relay switches. This flyback voltage can severely damage the relay contacts and greatly shorten the life of the relay. It is best to limit flyback voltages by installing a flyback diode across an inductive DC load or a metal oxide varistor (MOV) across an inductive AC load. The FP-RLY ...
UCC2581 数据资料 dataSheet 下载
... ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new ...
... ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new ...
Senior Project Proposal - University of New Hampshire
... example of this, see figure 2. This difference in signal level can be calculated as a ratio. Since the radiation patterns and therefore ratios of signal levels of the antennas are known, this ratio can be equated to a specific angle on azimuth. The transmitter component will consist of a sine wave g ...
... example of this, see figure 2. This difference in signal level can be calculated as a ratio. Since the radiation patterns and therefore ratios of signal levels of the antennas are known, this ratio can be equated to a specific angle on azimuth. The transmitter component will consist of a sine wave g ...
345 - UVa Online Judge
... A, and B. A and B indicate the labels of points between which you are to determine the equivalent resistance. N is the number of individual resistors, and will be no larger than 30. N , A and B will all be zero in the line following the last case. Following each ‘N A B’ line will be N lines, each sp ...
... A, and B. A and B indicate the labels of points between which you are to determine the equivalent resistance. N is the number of individual resistors, and will be no larger than 30. N , A and B will all be zero in the line following the last case. Following each ‘N A B’ line will be N lines, each sp ...
EMC - CAS - Cern Accelerator School
... harmonics are a low frequency problem ( < 2 kHz and in Differential Mode only). Usually, even harmonics are low (because + and – half-waves look the same). Most of inverters and AC / DC converters without PFC exceed normalized levels. Odd harmonics of converters can be severe ( > 50 % @ H3 ; > 3 ...
... harmonics are a low frequency problem ( < 2 kHz and in Differential Mode only). Usually, even harmonics are low (because + and – half-waves look the same). Most of inverters and AC / DC converters without PFC exceed normalized levels. Odd harmonics of converters can be severe ( > 50 % @ H3 ; > 3 ...
Resistive opto-isolator
Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator or lamp-coupled photocell, is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically isolated from each other. The light source is usually a light-emitting diode (LED), a miniature incandescent lamp, or sometimes a neon lamp, whereas the detector is a semiconductor-based photoresistor made of cadmium selenide (CdSe) or cadmium sulfide (CdS). The source and detector are coupled through a transparent glue or through the air.Electrically, RO is a resistance controlled by the current flowing through the light source. In the dark state, the resistance typically exceeds a few MOhm; when illuminated, it decreases as the inverse of the light intensity. In contrast to the photodiode and phototransistor, the photoresistor can operate in both the AC and DC circuits and have a voltage of several hundred volts across it. The harmonic distortions of the output current by the RO are typically within 0.1% at voltages below 0.5 V.RO is the first and the slowest opto-isolator: its switching time exceeds 1 ms, and for the lamp-based models can reach hundreds of milliseconds. Parasitic capacitance limits the frequency range of the photoresistor by ultrasonic frequencies. Cadmium-based photoresistors exhibit a ""memory effect"": their resistance depends on the illumination history; it also drifts during the illumination and stabilizes within hours, or even weeks for high-sensitivity models. Heating induces irreversible degradation of ROs, whereas cooling to below −25 °C dramatically increases the response time. Therefore, ROs were mostly replaced in the 1970s by the faster and more stable photodiodes and photoresistors. ROs are still used in some sound equipment, guitar amplifiers and analog synthesizers owing to their good electrical isolation, low signal distortion and ease of circuit design.