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OPA548: High-Voltage, High-Current Operational Amplifier (Rev. C)
OPA548: High-Voltage, High-Current Operational Amplifier (Rev. C)

... a 7-lead DDPAK surface-mount plastic power package. The copper tab allows easy mounting to a heat sink or circuit board for excellent thermal performance. The device is specified for operation over the extended industrial temperature range, –40°C to 85°C. A SPICE macromodel is available for design a ...
Automatic Speed Controller of a DC Motor Using
Automatic Speed Controller of a DC Motor Using

... been used for testing the controller. Close loop control has been applied by using appropriate speed encoder. The controller functions as a DC chopper and PWM signal is produced by an Arduino UNO controller. The nominal input voltage was 200Volt, so igbt switching devices were used. There are over v ...
2N7002E N-Channel 60 V (DS) MOSFET
2N7002E N-Channel 60 V (DS) MOSFET

... “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the co ...
Measurements of Noise on the Beam of an Electron Beam Welding
Measurements of Noise on the Beam of an Electron Beam Welding

... well as the electron beam voltage, to within ±100 volts (V)5. The data were acquired w i t h the pulse height analyzer in the multichannel scaling mode and a sampling time of 0.001 second. A delay time of 400 nanoseconds per channel exists in this mode; thus, the effective sampling time is 0.0010004 ...
Design and Construction of an Automatic Triggered Bell Ringer Circuit
Design and Construction of an Automatic Triggered Bell Ringer Circuit

... Photoconductivity is the tendency of a substance to conduct electricity to an extent that depends on the intensity of light-radiant energy (usually infrared transmission or visible light) striking the surface of a sample. Most semiconductors have this property. When there is no illumination, a photo ...
MT-88 Manual - American Fibertek
MT-88 Manual - American Fibertek

... contact closure signals. It is designed to operate with the MR-88 or RR-89 contact closure receiver over one singlemode fiber optic cable. The 88 series receiver has a user selectable switch that allows the contact status sent by the MT-88 to be maintained unchanged through loss of optical or electr ...
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... 80C51 Microcontroller :All 80C51 devices have separate address spaces for program and data memory, as shown in Figures 1 and 2. The logical separation of program and data memory allows the data memory to be accessed by 8-bit addresses, which can be quickly stored and manipulated by an 8-bit CPU. Nev ...
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... Note 8: Input pins (+IN, –IN, VOCM and VMID) are protected by steering diodes to either supply. If the inputs should exceed either supply voltage, the input current should be limited to less than 10mA. In addition, the inputs +IN, –IN are protected by a pair of back-to-back diodes. If the differenti ...
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DDS-9850 Manual Experimenters version.

... However a lot of current is needed, to much in my opinion, to allow a simple 5v linear voltage regulator off of a 12 v supply. So a prototyping area is near the power input area. My board plus the LCD only draw about 25mA. But the DDS-9850 modules draw between 100 and 200 mA each. So with 2 modules ...
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MAX682/MAX683/MAX684 3.3V-Input to Regulated 5V-Output Charge Pumps General Description

... amplifier, a 1.23V bandgap reference, an internal resistive feedback network, an oscillator, high-current MOSFET switches, and shutdown and control logic (Figure 1). Figure 2 shows an idealized unregulated chargepump voltage doubler. The oscillator runs at a 50% duty cycle. During one half of the pe ...
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... • Reading from Internal Registers : – Bit 0: At one it indicates a read operation. – Bit 1 to 5: This field shall contain the address of the register to be accessed. – Bit 6 to 15: This filed don’ t care in a read requestPROPRIETARY operation.INFORMATION ...
MAX1637 Miniature, Low-Voltage, Precision Step-Down Controller General Description
MAX1637 Miniature, Low-Voltage, Precision Step-Down Controller General Description

... 5V or lower supply is available. The components listed in Table 1 represent a good set of trade-offs among cost, size, and efficiency, while staying within the worstcase specification limits for stress-related parameters such as capacitor ripple current. Do not change the circuit’s switching frequen ...
LECTURE NOTES FOR FRIDAY 3/26/2002
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Technical Description
Technical Description

50mA-20A, Single-Supply, Low-Side or High
50mA-20A, Single-Supply, Low-Side or High

ACS712: Fully Integrated, Hall Effect
ACS712: Fully Integrated, Hall Effect

... solutions for AC or DC current sensing in industrial, commercial, and communications systems. The device package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, switchmode power supplies, and overcurrent fault protection. The ...
ABB Kuhlman 69000 Volt Instrument Transformers
ABB Kuhlman 69000 Volt Instrument Transformers

... rated for use on 69,000 volt systems with 350kV BIL. Primary line to ground connected voltage ratios are available from 300:1 to 600:1 for use on 69,000 volt systems, at 60 Hertz (Hz). This oil-filled coupling capacitive voltage transformer will operate with high accuracy for metering, monitoring, c ...
AL5811 Description Pin Assignments
AL5811 Description Pin Assignments

... Thermal Considerations When designing linear LED drivers careful consideration must be given to: ...
Design Strategy for a 3-Phase Variable Frequency Drive (VFD)
Design Strategy for a 3-Phase Variable Frequency Drive (VFD)

Capturing Generator Rotor Angle and Field Quantities
Capturing Generator Rotor Angle and Field Quantities

... Synchronous machines require a rotating magnetic field to induce voltage in their armature windings. For most electric power generators, this rotating field resides on the rotor and is realized through an electromagnet created by energizing a field circuit with a dc source. Thus, the voltage across ...
Design and Application of a Power Unit to Use Plug
Design and Application of a Power Unit to Use Plug

... demand for GEVs will be almost one million by 2015 [9]. It is clear that massive integration of GEVs on the power distribution system will result in a significant increase in electric energy demand and will raise load values at peak times [10]. Also, various studies have already been carried out to ...
the asynchronous generator in small power plants
the asynchronous generator in small power plants

... The asynchronous machine needs "reactive power" to build up the magnetic field. It is known that the reactive power is an apparent power not contributing to the direct energy conversion. The current associated with it, which means the reactive current, causes losses in supply and in the machine. The ...
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full text pdf

... phones, medical devices, etc. 90% of electronics are power by batteries. These batteries make devices bulky, heavy, take a lot of space, and must be replacement or recharge. It is now possible to apply solar radiation, thermal energy, magnetic field or mechanical energy, to replace batteries in gene ...
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Voltage optimisation

Voltage optimisation is a term given to the systematic controlled reduction in the voltages received by an energy consumer to reduce energy use, power demand and reactive power demand. While some voltage 'optimisation' devices have a fixed voltage adjustment, others electronically regulate the voltage automatically.Voltage optimisation systems are typically installed in series with the mains electrical supply to a building, allowing all its electrical equipment to benefit from an optimised supply.
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