Universal motor operated drives UM
... provided for leading in the control and signalling lines. The outdoor actuator housing has insect-proof ventilation inlet and outlet and a thermostatically controlled heater in the form of a 60-W mushroomtype radiator with E 27 base (an incandescent light bulb can be used in an emergency). Manual op ...
... provided for leading in the control and signalling lines. The outdoor actuator housing has insect-proof ventilation inlet and outlet and a thermostatically controlled heater in the form of a 60-W mushroomtype radiator with E 27 base (an incandescent light bulb can be used in an emergency). Manual op ...
Low voltage 0.5 max dual SPDT switch, single enable with break
... switches nS2 are ON (they are connected to common Ports Dn) when the IN input is held low and OFF (high impedance state exists between the two ports) when IN is held high. Additional key features are fast switching speed, Break Before Make Delay Time and Ultra Low Power Consumption. All inputs and o ...
... switches nS2 are ON (they are connected to common Ports Dn) when the IN input is held low and OFF (high impedance state exists between the two ports) when IN is held high. Additional key features are fast switching speed, Break Before Make Delay Time and Ultra Low Power Consumption. All inputs and o ...
Biology - MCAT Cooperative
... positive charges and enter the negative charges. Close lines indicates that the field is strong and vice versa. b. The field will vary due to differences in charge distribution in an asymmetric object. 5. Potential difference- is the work that must be done to take charge q from one point to another: ...
... positive charges and enter the negative charges. Close lines indicates that the field is strong and vice versa. b. The field will vary due to differences in charge distribution in an asymmetric object. 5. Potential difference- is the work that must be done to take charge q from one point to another: ...
D373A Electroluminescent Lamp Driver IC
... Theory of Operation Electroluminescent (EL) lamps are essentially capacitors with one transparent electrode and a special phosphor material in the dielectric. The phosphor glows when a strong AC voltage is applied across the EL lamp electrodes. The required AC voltage is typically not present in mos ...
... Theory of Operation Electroluminescent (EL) lamps are essentially capacitors with one transparent electrode and a special phosphor material in the dielectric. The phosphor glows when a strong AC voltage is applied across the EL lamp electrodes. The required AC voltage is typically not present in mos ...
TML Pam E-1007A StrainGauges
... to be used and measuring purpose. In a quarter bridge configuration, three wire method is widely used to remove the effect of temperature on gauge leadwire resistance. However, some measuring error occurs owing to gauge factor caused by leadwire resistance and variation in the contact resistance whe ...
... to be used and measuring purpose. In a quarter bridge configuration, three wire method is widely used to remove the effect of temperature on gauge leadwire resistance. However, some measuring error occurs owing to gauge factor caused by leadwire resistance and variation in the contact resistance whe ...
Analog to Digital & DAC
... Flash Analog to Digital Converter Fast – but more expensive : Single cycle - Uses many Comparators in parallel with different reference voltages Analog • 2N-1 comparators for N-bits • Each reference voltage equivalent to a quantization level • Encoding logic produces word ...
... Flash Analog to Digital Converter Fast – but more expensive : Single cycle - Uses many Comparators in parallel with different reference voltages Analog • 2N-1 comparators for N-bits • Each reference voltage equivalent to a quantization level • Encoding logic produces word ...
Lecture 9
... voltage is suddenly removed. • In general, when an applied current or voltage suddenly changes, the voltages and currents in an RL or RC circuit will change exponentially with time, from their initial values to their final values, with the characteristic time constant t: ...
... voltage is suddenly removed. • In general, when an applied current or voltage suddenly changes, the voltages and currents in an RL or RC circuit will change exponentially with time, from their initial values to their final values, with the characteristic time constant t: ...
![Pre lab and Lab 4 for elec 3105 Transformer [no Amplifiers]](http://s1.studyres.com/store/data/000482276_1-7fa36a32045688c795c994074daff95d-300x300.png)
Pre lab and Lab 4 for elec 3105 Transformer [no Amplifiers]
... Figure 3 Transformer equivalent circuit allowing for losses Figure 3 is still an approximate description of the real transformer. It makes no allowance for the capacitance between the windings in the primary and the secondary, for the fact that the resistance of the windings is distributed througho ...
... Figure 3 Transformer equivalent circuit allowing for losses Figure 3 is still an approximate description of the real transformer. It makes no allowance for the capacitance between the windings in the primary and the secondary, for the fact that the resistance of the windings is distributed througho ...
MAX5082/MAX5083 1.5A, 40V, MAXPower Step-Down DC-DC Converters General Description
... DC-DC converters with an on-chip, 0.3Ω high-side switch. The input voltage range is 4.5V to 40V for the MAX5082 and 7.5V to 40V for the MAX5083. The output is adjustable from 1.23V to 32V and can deliver up to 1.5A of load current. Both devices utilize a voltage-mode control scheme for good noise im ...
... DC-DC converters with an on-chip, 0.3Ω high-side switch. The input voltage range is 4.5V to 40V for the MAX5082 and 7.5V to 40V for the MAX5083. The output is adjustable from 1.23V to 32V and can deliver up to 1.5A of load current. Both devices utilize a voltage-mode control scheme for good noise im ...
BTDR1500 Combined Automatic Resistance Bridge & TDR Fault Locator
... loop has been made by fitting a strap between the wire under test and one or two return wires. In the case of a single return wire (2-wire test method), the position of the strap is assumed to be at the position of half the total loop resistance. If two return wires can be used (3-wire test method) ...
... loop has been made by fitting a strap between the wire under test and one or two return wires. In the case of a single return wire (2-wire test method), the position of the strap is assumed to be at the position of half the total loop resistance. If two return wires can be used (3-wire test method) ...
SAMPLE ELECTRICAL PI QUESTIONS 1. Why heat produce in AC
... Generators, it controls theoutput voltage of the generator by controlling its excitation current. Thus it can control the output Reactive Power of the Generator. 23. Difference between a four point starter and three point starter? Answer:The shunt connection in four point stater is provided separate ...
... Generators, it controls theoutput voltage of the generator by controlling its excitation current. Thus it can control the output Reactive Power of the Generator. 23. Difference between a four point starter and three point starter? Answer:The shunt connection in four point stater is provided separate ...
BATTERIES FOR METERING APPLICATIONS
... Commercial lithium batteries have been available in the market since the late 1970s and Tadiran has been one of the leading manufacturers since then. While these batteries were first mainly used for memory back-up applications and were designed for a 10 year battery life, recent metering application ...
... Commercial lithium batteries have been available in the market since the late 1970s and Tadiran has been one of the leading manufacturers since then. While these batteries were first mainly used for memory back-up applications and were designed for a 10 year battery life, recent metering application ...
LSJ689 Application Note - Linear Integrated Systems
... significant when the effective voltage gain of the first stage is not large. Input-referred noise in Figure 1 simulates at 3.3 nV/Hz, but it would be only 2.5 nV/Hz if noiseless resistors were used. Base shot noise in the second stage also contributes some noise. Making the second-stage transistor ...
... significant when the effective voltage gain of the first stage is not large. Input-referred noise in Figure 1 simulates at 3.3 nV/Hz, but it would be only 2.5 nV/Hz if noiseless resistors were used. Base shot noise in the second stage also contributes some noise. Making the second-stage transistor ...
Harmonic Analysis of 230 V AC Power Supply
... The LPC2138 microcontroller is based on a 16/32 bit ARM7TDMI-S™ CPU with real-time emulation and embedded trace support, that combines the microcontroller with 32 kB, 64 kB, 128 kB, 256 kB and 512 kB of embedded high speed Flash memory [11]. A 128-bit wide memory interface and a unique accelerator a ...
... The LPC2138 microcontroller is based on a 16/32 bit ARM7TDMI-S™ CPU with real-time emulation and embedded trace support, that combines the microcontroller with 32 kB, 64 kB, 128 kB, 256 kB and 512 kB of embedded high speed Flash memory [11]. A 128-bit wide memory interface and a unique accelerator a ...
Zero power harmonic filters Introduction 1 Unity power factor filters 2
... any significant reactive power contribution, for example when non-linear loads operate at close to unity power factor and the network cannot accept leading reactive power. Such a situation typically arises when the network impedance is low, implying that relatively small non-linear loads can cause u ...
... any significant reactive power contribution, for example when non-linear loads operate at close to unity power factor and the network cannot accept leading reactive power. Such a situation typically arises when the network impedance is low, implying that relatively small non-linear loads can cause u ...
MAX890L 1.2A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown General Description
... power switch is intended for high-side load-switching applications. This switch operates with inputs from +2.7V to +5.5V, making it ideal for both +3V and +5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal-overload protection limits power dissipation ...
... power switch is intended for high-side load-switching applications. This switch operates with inputs from +2.7V to +5.5V, making it ideal for both +3V and +5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal-overload protection limits power dissipation ...
BFP540FESD
... of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitati ...
... of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitati ...
ADC - Personal Web Pages
... A waveform is sampled at a constant rate – every Dt – Each such sample represents the instantaneous amplitude at the instant of sampling – “At 37 ms, the input is 1.91341914513451451234311… V” – Sampling converts a continuous time signal to a discrete time signal ...
... A waveform is sampled at a constant rate – every Dt – Each such sample represents the instantaneous amplitude at the instant of sampling – “At 37 ms, the input is 1.91341914513451451234311… V” – Sampling converts a continuous time signal to a discrete time signal ...
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.