International Electrical Engineering Journal (IEEJ) Vol. 5 (2014) No.10, pp. 1586-1593
... filter approaches to zero and system becomes unstable. But, it can be prevented by placing a resistance (Rd) in series with the capacitor. At fres the reactance offered by C is 6.63 Ω. Due to this lower reactance losses will increase. Taking these into consideration, a resistance of 15 Ω, which is t ...
... filter approaches to zero and system becomes unstable. But, it can be prevented by placing a resistance (Rd) in series with the capacitor. At fres the reactance offered by C is 6.63 Ω. Due to this lower reactance losses will increase. Taking these into consideration, a resistance of 15 Ω, which is t ...
LTC6104 - High Voltage, High Side, Bi-Directional Current Sense Amplifier
... provided by the excellent device characteristics: ±450µV maximum offset and only 520µA of current consumption (typical at 12V). The LTC6104 operates on supplies from 4V to 60V. The LTC6104 monitors bi-directional current via the voltage across an external sense resistor (shunt resistor). This sense ...
... provided by the excellent device characteristics: ±450µV maximum offset and only 520µA of current consumption (typical at 12V). The LTC6104 operates on supplies from 4V to 60V. The LTC6104 monitors bi-directional current via the voltage across an external sense resistor (shunt resistor). This sense ...
June 2006 High Speed Low Power RS485 Transceivers with
... frequency spectrums operating at 250kbps. SLO mode significantly reduces the high frequency harmonics. The LTC2859 and LTC2861 drivers feature current limiting that protects them from faults such as shorting the outputs to the power supply or ground. Short circuit current is limited to below the ±25 ...
... frequency spectrums operating at 250kbps. SLO mode significantly reduces the high frequency harmonics. The LTC2859 and LTC2861 drivers feature current limiting that protects them from faults such as shorting the outputs to the power supply or ground. Short circuit current is limited to below the ±25 ...
G. Pascovici, IKP-Cologne, FEE Meeting, Saclay, 04 Dec - CEA-Irfu
... only electrons (or particles) ...
... only electrons (or particles) ...
PDF FILE - EmergencyLighting.com
... the optional plaster ring framing kit. The plaster ring framing kit is also useful for new installations. ...
... the optional plaster ring framing kit. The plaster ring framing kit is also useful for new installations. ...
Chapter 3 Methods of Analysis
... applying Kirchhoff’s laws in combination with Ohm’s law. We can use this approach for all circuits, but as they become structurally more complicated and involve more and more elements, this direct method soon becomes cumbersome. In this chapter we introduce two powerful techniques of circuit analysi ...
... applying Kirchhoff’s laws in combination with Ohm’s law. We can use this approach for all circuits, but as they become structurally more complicated and involve more and more elements, this direct method soon becomes cumbersome. In this chapter we introduce two powerful techniques of circuit analysi ...
MAX258 500mA, Push-Pull Transformer Driver for Isolated Power Supplies General Description
... Transformer selection for the MAX258 can be simplified by the use of the ET product. The ET product relates the maximum allowable magnetic flux density in a transformer core to the voltage across a winding and switching period. Inductor magnetizing current in the primary winding changes linearly wit ...
... Transformer selection for the MAX258 can be simplified by the use of the ET product. The ET product relates the maximum allowable magnetic flux density in a transformer core to the voltage across a winding and switching period. Inductor magnetizing current in the primary winding changes linearly wit ...
Protecting PV systems. Technical info
... Depending on the PV system capacity, there may be several PV output circuits (each output circuit consisting of multiple PV source circuits) connected in parallel to achieve higher ampacity and subsequently more power. A PV Overcurrent Protective Device (OCPD) on each PV output circuit will protect ...
... Depending on the PV system capacity, there may be several PV output circuits (each output circuit consisting of multiple PV source circuits) connected in parallel to achieve higher ampacity and subsequently more power. A PV Overcurrent Protective Device (OCPD) on each PV output circuit will protect ...
DLVP-100-300-3000 Manual 403615 Rev C
... The Dynaload is a precision instrument, which simulates electrical loads to test power supplies, generators, servo systems, batteries, and similar power sources. It simulates, at the option of the user, resistive loads (amps/volt) or may be switched to a constant current load characteristic (current ...
... The Dynaload is a precision instrument, which simulates electrical loads to test power supplies, generators, servo systems, batteries, and similar power sources. It simulates, at the option of the user, resistive loads (amps/volt) or may be switched to a constant current load characteristic (current ...
Dynamic Characteristics of Mho Distance Relays
... the initial polarizing voltage, and IZR is shifted leading by approximately 60° compared to its position in Fig. 16. The dynamic angle is much greater than 90°, a good non-tripping condition, but the steady-state angle is slightly less than 90° and could produce a trip output if the arc voltage is a ...
... the initial polarizing voltage, and IZR is shifted leading by approximately 60° compared to its position in Fig. 16. The dynamic angle is much greater than 90°, a good non-tripping condition, but the steady-state angle is slightly less than 90° and could produce a trip output if the arc voltage is a ...
MAX8513/MAX8514 Wide-Input, High-Frequency, Triple-Output Supplies with Voltage Monitor and Power-On Reset General Description
... Current limiting is accomplished by inductor current sensing for improved efficiency, or by an external sense resistor for better accuracy. The MAX8513/MAX8514s’ first LDO controller is designed to provide a low-cost, high-current regulated output from 0.8V to 5.5V using an N-channel MOSFET or a low ...
... Current limiting is accomplished by inductor current sensing for improved efficiency, or by an external sense resistor for better accuracy. The MAX8513/MAX8514s’ first LDO controller is designed to provide a low-cost, high-current regulated output from 0.8V to 5.5V using an N-channel MOSFET or a low ...
REF3112 数据资料 dataSheet 下载
... Supply voltages below the specified levels can cause the REF31xx to momentarily draw currents greater than the typical quiescent current. This can be prevented by using a power supply with a fast rising edge and low output impedance. ...
... Supply voltages below the specified levels can cause the REF31xx to momentarily draw currents greater than the typical quiescent current. This can be prevented by using a power supply with a fast rising edge and low output impedance. ...
VRM Thesis - bgavinsound.com
... that can be used to compare the performance of different magnetic component designs. The VRM will be used to convert the input voltage (typically 12V) to a lower level which will supply a microprocessor load e.g. the Intel Pentium. The work will include review of VRM circuit topologies for VRM 10.1 ...
... that can be used to compare the performance of different magnetic component designs. The VRM will be used to convert the input voltage (typically 12V) to a lower level which will supply a microprocessor load e.g. the Intel Pentium. The work will include review of VRM circuit topologies for VRM 10.1 ...
switching frequency effects and efficiency analysis of quadratic buck
... Generally, the source to power the laptop is either a battery or an AC adapter. The existing non-isolated dcdc converters like buck, multi-phase non-coupled and coupled buck [3-12] are unsuitable for large input voltage reduction (19V-1V) because of minimum turnon time requirement of the switch. Thi ...
... Generally, the source to power the laptop is either a battery or an AC adapter. The existing non-isolated dcdc converters like buck, multi-phase non-coupled and coupled buck [3-12] are unsuitable for large input voltage reduction (19V-1V) because of minimum turnon time requirement of the switch. Thi ...
LM2901/ LM2901A/ LM2903/ LM2903A Description Features Pin
... output so no loading change exists on the input lines. 12. The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V (@ +25°C). The upper end of the common-mode voltage range is VCC -1.5V (@ +25°C), but either or both inputs can go to +36V wi ...
... output so no loading change exists on the input lines. 12. The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V (@ +25°C). The upper end of the common-mode voltage range is VCC -1.5V (@ +25°C), but either or both inputs can go to +36V wi ...
Electrochemical Processor Manual
... This is a ten-turn type and provides infinite adjustment of the offset current in the range selected by the Offset Current range switch. Thus with the range switch set to −0.3 to 0.3 microamps, a reading of 000 gives an offset current of −0.3 microamps and a reading of 1000 gives an offset current o ...
... This is a ten-turn type and provides infinite adjustment of the offset current in the range selected by the Offset Current range switch. Thus with the range switch set to −0.3 to 0.3 microamps, a reading of 000 gives an offset current of −0.3 microamps and a reading of 1000 gives an offset current o ...
LM60 2.7V, SOT-23 or TO-92 Temperature Sensor (Rev. D)
... Accuracy is defined as the error between the output voltage and +6.25 mV/°C times the device's case temperature plus 424 mV, at specified conditions of voltage, current, and temperature (expressed in °C). Nonlinearity is defined as the deviation of the output-voltage-versus-temperature curve from th ...
... Accuracy is defined as the error between the output voltage and +6.25 mV/°C times the device's case temperature plus 424 mV, at specified conditions of voltage, current, and temperature (expressed in °C). Nonlinearity is defined as the deviation of the output-voltage-versus-temperature curve from th ...
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.