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... When a current flows through a loop, the magnetic field created by that current has a magnetic flux through the area of the loop. If the current changes, the magnetic field changes, and so the flux changes giving rise to an induced emf. This phenomenon is called self-induction because it is the loop ...
Document
Document

... E. gain, gain, drop C gain, drop, drop D E ...
ACPL-K33T: Automotive 2.5 A Peak High Output Current SiC
ACPL-K33T: Automotive 2.5 A Peak High Output Current SiC

... use logic gate (CMOS buffer) for high common mode rejection (CMR) performance of the optocoupler gate driver. Split limiting resistors are used to balance the impedance at both anode and cathode of the input LED for high common mode noise rejection. The output impedance of the CMOS buffer (shown as ...
Electric Circuits
Electric Circuits

... A gap is usually provided by an electric switch that can open or closes the circuit allowing the electrons to flow or be cut off. ...
MAX798 High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power _______________General Description
MAX798 High-Accuracy Step-Down Controller with Synchronous Rectifier for CPU Power _______________General Description

... The MAX798 is designed to deliver a more accurate output voltage than the MAX797. A major source of the MAX797’s output error is the decrease in output voltage with increasing load. This error is greatly reduced in the MAX798 by increasing the gain of the voltage-sense signal relative to the current ...
ST3241EB
ST3241EB

... SHDN, EN, TIN RIN ...
Power In Parallel Circuits
Power In Parallel Circuits

AN10361 Philips BISS loadswitch solutions and the SOT666 BISS loadswitch demo board
AN10361 Philips BISS loadswitch solutions and the SOT666 BISS loadswitch demo board

... The loadswitch circuit in Fig 1 consists of six components and uses bipolar transistors. If a positive voltage is applied to the base of the control transistor Tr2 through R1, it switches the pass transistor Tr1. A small base current of about a Milliampere switches up to a few Amperes. The voltage d ...
BDTIC www.BDTIC.com/infineon PFC-DCM IC Boost Controller
BDTIC www.BDTIC.com/infineon PFC-DCM IC Boost Controller

... The TDA4863-2 totem pole output stage is MOSFET compatible. An internal protection ciruitry is activated when VCC is within the start up phase and ensures that the MOSFET is turned off. The totem pole output has been optimized to achieve minimized cross conduction current during high speed operation ...
Solution to Exercise 8.1-3 Characteristics of Real Solar Cells  
Solution to Exercise 8.1-3 Characteristics of Real Solar Cells  

... Even without looking a the (numerically) calculated figure, we can deduce qualitatively a few facts from our basic equation above, aw asked in the exercise. For I = 0 A, we have Ueff = U. That means that all IU-characteristics must run through UOC, no matter what kind of serial resistance we might h ...
3 - KFUPM Faculty List
3 - KFUPM Faculty List

... neglected because the circuit's other impedance, R1, has a much larger magnitude. The pin of each insulator is connected in series and tied to R1, a 500 W current-limiting resistance. In the event of a flashover, it will limit the fault current to 14.4 amps. This protects the recording equipment fro ...
mobile bug. errors and trouble shooting
mobile bug. errors and trouble shooting

... Reason. Monostable is continuously triggering / Timing of monostable is not ending due to faulty timing capacitor. Correction. Trouble shoot Monostable as above. Replace timing capacitor. Problem. Buzzer is not beeping. Reason. Faulty buzzer / No high output from monostable. Correction. Check the bu ...
Mana tronics 460V / 18 Amp Load For High Voltage UPS Battery Testing
Mana tronics 460V / 18 Amp Load For High Voltage UPS Battery Testing

... Suitable for run-up bench and product design/development. Load bank for Burn-in room facility Battery discharge testing If this unit is also required to carry out Battery Discharge testing there is an option to have an in-built LVD, (Low Voltage Disconnect). This can be enabled and disabled from the ...
MAX1982/MAX1983 Low-Voltage, Low-Dropout Linear Regulators with External Bias Supply General Description
MAX1982/MAX1983 Low-Voltage, Low-Dropout Linear Regulators with External Bias Supply General Description

... case, and θCA is the thermal resistance from the case through the PC board, copper traces, and other materials to the surrounding air. For optimum power dissipation, use a large ground plane with good thermal contact to GND, and use wide input and output traces. When 1 square inch of copper is conne ...
LM3080 Operational Transconductance Amplifier (Rev. A)
LM3080 Operational Transconductance Amplifier (Rev. A)

... Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable f ...
Basic Electronics pdf
Basic Electronics pdf

TRANSPAK T752 ™ Potentiometer Input Isolating, Field
TRANSPAK T752 ™ Potentiometer Input Isolating, Field

... The T752 is FM approved for intrinsically safe operation in Class I, Division 1, Groups A, B, C, and D; Nonincendive Class I Division 2, Groups A, B, C and D, and Classes II & III, Division 2, Group G hazardous locations when installed per manufacturer’s drawing ...
OP97
OP97

... Input Voltage1 Differential Input Voltage2 Differential Input Current2 Output Short-Circuit Duration ...
MAX1910/MAX1912 1.5x/2x High-Efficiency White LED Charge
MAX1910/MAX1912 1.5x/2x High-Efficiency White LED Charge

SmartSpice SEU Module
SmartSpice SEU Module

... change the global behavior of the cell. It is sometimes necessary to watch other nodes than the one impacted. If there is no upset on these nodes (output nodes…), the cell is considered as safe. We can also consider the problem in an other way: what would be the maximum LET (Linear Energy Transfer) ...
5. Current Sharing In Power Arrays
5. Current Sharing In Power Arrays

... forgiving in this regard than with any of the other methods. Current sharing can be achieved using arrays constructed from different converter models or even from different suppliers with a little external circuitry. Driver / Booster Arrays. Most Vicor converters can employ the driver / booster arra ...
Evaluates: MAX1748/MAX1779 MAX1748 Evaluation Kit General Description Features
Evaluates: MAX1748/MAX1779 MAX1748 Evaluation Kit General Description Features

... voltage rating equal to or greater than the expected output voltage at VPA. Lower cost diodes with higher forward voltage drops can be used for D4, if enough voltage headroom is available. The shorted PC trace across pinholes 1 and 2 must be cut open and a jumper wire installed in pinholes 2 and 3 a ...
MAX5188/MAX5191 Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs General Description
MAX5188/MAX5191 Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs General Description

... 1.5mA full-scale output current (Figure 1). An integrated +1.2V voltage reference and control amplifier determine the data converters’ full-scale output currents/ voltages. Careful reference design ensures close gain matching and excellent drift characteristics. The MAX5191’s voltage output operatio ...
chapter 1 - UniMAP Portal
chapter 1 - UniMAP Portal

... somewhere in the circuit. The symbol for the dependent voltage source is a plus-minus sign enclosed by a diamond shape. The value of the dependent current source is ρix (ohms) where ρ is the scale factor or ...
bYTEBoss ECE201Lect-12
bYTEBoss ECE201Lect-12

< 1 ... 637 638 639 640 641 642 643 644 645 ... 984 >

Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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