Current Control of VSI-PWM Inverters
... to observe the operating characteristics of the hysteresis controller when the load counter EMF is zero. The line current and current reference are shown in Fig. 9. The inverter has periods of high switching frequency which are interrupted occasionally when the inverter applies a zero voltage vector ...
... to observe the operating characteristics of the hysteresis controller when the load counter EMF is zero. The line current and current reference are shown in Fig. 9. The inverter has periods of high switching frequency which are interrupted occasionally when the inverter applies a zero voltage vector ...
CHAPTER 9: TEMPERATURE, PRESSURE, STRAIN AND MOTION
... Measurement with thermocouples In order to provide circuits optimized for temperature measurements, manufacturers have devised special thermocouple digital thermometers. Essentially, the thermometer is a digital voltmeter that uses a computer memory to store the Seebeck coefficients and a microproce ...
... Measurement with thermocouples In order to provide circuits optimized for temperature measurements, manufacturers have devised special thermocouple digital thermometers. Essentially, the thermometer is a digital voltmeter that uses a computer memory to store the Seebeck coefficients and a microproce ...
BQ78PL114 数据资料 dataSheet 下载
... The bq78PL114 can be upgraded to the bq78PL114S12 by downloading the bq78PL114S12 firmware. The firmware can be downloaded using the bqWizard application or during manufacturing. Upgrading to the bq78Pl114S12 changes the functionality of the LED1–LED5, LEDEN, and N/C pin #29. The bq78PL114S12 pin fu ...
... The bq78PL114 can be upgraded to the bq78PL114S12 by downloading the bq78PL114S12 firmware. The firmware can be downloaded using the bqWizard application or during manufacturing. Upgrading to the bq78Pl114S12 changes the functionality of the LED1–LED5, LEDEN, and N/C pin #29. The bq78PL114S12 pin fu ...
Indiana University – Purdue University Fort Wayne Department of Engineering ECE 406
... is then loaded into a UART, converting the data packet into a bit stream. The next stage is an RS232 line driver which converts the TTL bit stream into higher voltage RS232 bit stream in order to communicate with the YS‐30H transmitter. The YS‐30H transceiver is used to transmit the signa ...
... is then loaded into a UART, converting the data packet into a bit stream. The next stage is an RS232 line driver which converts the TTL bit stream into higher voltage RS232 bit stream in order to communicate with the YS‐30H transmitter. The YS‐30H transceiver is used to transmit the signa ...
High-voltage reinforced isolation: Definitions
... different magnitude and transient profiles, and have ...
... different magnitude and transient profiles, and have ...
PDF
... form of the voltage supply. It is permissible to represent the distorting equipment as a source of harmonic current that are independent of the impedance of the supplying of the system. The effect of superposing a number of sources on a system can then be found by representing each of them by an equ ...
... form of the voltage supply. It is permissible to represent the distorting equipment as a source of harmonic current that are independent of the impedance of the supplying of the system. The effect of superposing a number of sources on a system can then be found by representing each of them by an equ ...
H046044147
... For example, suppose a cable had an ambient temperature derating factor 0.94 and a group derating factor of 0.9 then the overall derating factor will be (0.94*0.9) which is approximately equal to 0.855. This derating value is taken in the code just as reference but this can vary depending on the ope ...
... For example, suppose a cable had an ambient temperature derating factor 0.94 and a group derating factor of 0.9 then the overall derating factor will be (0.94*0.9) which is approximately equal to 0.855. This derating value is taken in the code just as reference but this can vary depending on the ope ...
Lecture 8
... HFA value that is 17 dB below the HFA OSPL90 value. Exceptions: If the actual HFA output level for the full-on position is already lower than 17 dB below the OSPL90 level, then the full-on gain is considered the referencetest gain (As in some AGC). The average level of normal, conversational speech ...
... HFA value that is 17 dB below the HFA OSPL90 value. Exceptions: If the actual HFA output level for the full-on position is already lower than 17 dB below the OSPL90 level, then the full-on gain is considered the referencetest gain (As in some AGC). The average level of normal, conversational speech ...
SKY65016-92LF 数据资料DataSheet下载
... used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials. Skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update t ...
... used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials. Skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update t ...
FJB5555 NPN Silicon Transistor — NPN Silicon T ransistor
... Counterfeiting of semiconductor parts is a growing problem in the industry. All manufacturers of semiconductor products are experiencing counterfeiting of their parts. Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard perfor ...
... Counterfeiting of semiconductor parts is a growing problem in the industry. All manufacturers of semiconductor products are experiencing counterfeiting of their parts. Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard perfor ...
Low-Drift Bidirectional Low-Side Current
... the voltage across the shunt resistor, which is ±25 mV (or 50 mV). For drift errors, the largest change in temperature (ΔT) is 100ºC, which is the difference between the maximum specified temperature (125ºC) and room temperature (25ºC). This temperature change is used when calculating drift errors f ...
... the voltage across the shunt resistor, which is ±25 mV (or 50 mV). For drift errors, the largest change in temperature (ΔT) is 100ºC, which is the difference between the maximum specified temperature (125ºC) and room temperature (25ºC). This temperature change is used when calculating drift errors f ...
Cooperative Stereo Matching Using Static and Dynamic Image
... designed to find the disparity in a region of limited depth around the horopter. The algorithm can be used for stereo matching in one- or two-dimensional images. One-dimensional stimuli can be used to test many of the basic features of a stereo matching algorithm, because the eyes are displaced from ...
... designed to find the disparity in a region of limited depth around the horopter. The algorithm can be used for stereo matching in one- or two-dimensional images. One-dimensional stimuli can be used to test many of the basic features of a stereo matching algorithm, because the eyes are displaced from ...
FJP2145 ESBC Rated NPN Power Transistor ™
... Reliable HV Switch: No False Triggering due to High dv/dt Transients ...
... Reliable HV Switch: No False Triggering due to High dv/dt Transients ...
AN-31 Op Amp Circuit Collection (Rev. B)
... Texas Instruments recommends replacing 2N2920 and 2N3728 matched pairs with LM394 in all application circuits. ...
... Texas Instruments recommends replacing 2N2920 and 2N3728 matched pairs with LM394 in all application circuits. ...
H11AA1 - Vishay
... Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use ...
... Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use ...
High Power Flyback Controller with Primary
... During low power modes (when FSW < FSMP(max)), the internal SD terminal pull-up is disabled, and the terminal functions as a transient wake-up input. In this case, if the terminal is raised above VWAKE(rise) level, the device wakes from low power sleep mode (rather than waiting for the scheduled tim ...
... During low power modes (when FSW < FSMP(max)), the internal SD terminal pull-up is disabled, and the terminal functions as a transient wake-up input. In this case, if the terminal is raised above VWAKE(rise) level, the device wakes from low power sleep mode (rather than waiting for the scheduled tim ...
ECE 469 Power Electronics Lab Manual
... objectives of the Power Electronics Laboratory course are to provide working experience with the power electronics concepts presented in the power electronics lecture course, while giving students knowledge of the special measurement and design techniques of this subject. The goal is to give student ...
... objectives of the Power Electronics Laboratory course are to provide working experience with the power electronics concepts presented in the power electronics lecture course, while giving students knowledge of the special measurement and design techniques of this subject. The goal is to give student ...
An Optimal Power Supply And Body Bias Voltage
... needed at the boundary of the two components to transfer different signal levels. Thus, our target is that these two components be independently controlled with V BN (P ) and share a common VDD . We represent the V BN (P ) for the memory part V BN (P )M . When both components work at the given operat ...
... needed at the boundary of the two components to transfer different signal levels. Thus, our target is that these two components be independently controlled with V BN (P ) and share a common VDD . We represent the V BN (P ) for the memory part V BN (P )M . When both components work at the given operat ...
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.