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Dual Channel Fixed Voltage Linear Regulator TJ5631
Dual Channel Fixed Voltage Linear Regulator TJ5631

... Output voltage load regulation is defined as the change in output voltage from the nominal value due to change in load current. Note 4. Regulation is measured at constant junction temperature by using a 10ms current pulse. Devices are tested for load regulation in the load range from 10mA to 300mA. ...
Programmable Single-/Dual-/Triple
Programmable Single-/Dual-/Triple

... The current amplifier with a gain of 1600 boosts the current II from approx. 470 µA maximum to approx. 750 mA maximum. The output stage consists of an NPN transistor with its emitter on power GND and collector on pin Q. The current control insures that the output stage only conducts defined currents ...
July 26 - cloudfront.net
July 26 - cloudfront.net

... 3. The current is numerically the voltage of the source divided by the __________ resistance of the circuit (Ohms law). 4. Ohms law applies separately to each device—the voltage drops across ________ device depends directly on its (each device) resistance. 5. The sum of the individual voltage drops ...
ConcepTest 19.1a Series Resistors I 9 V Assume that the voltage of
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... The lightbulbs in the circuit below ...
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... Charging current monitoring Operation supervision ●● Power supplies DC power or auxiliary loads measurement ●● Electric heating elements Faster response than temperature transducers. ...
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Insulation Testing of Transformer

... electrical engineering having efficiency upto 99 %  Availability of transformer makes the use of alternating current more advantageous than direct current  We have total 104 nos of transformer in 103 nos of sub-station ...
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Interfacing Type K Thermocouples to the Chickadee XL

KSC233 4 NPN Epitaxial Silicon Transistor Absolute Maximum Ratings
KSC233 4 NPN Epitaxial Silicon Transistor Absolute Maximum Ratings

... which, (a) are intended for surgical implant into the body, device or system whose failure to perform can be or (b) support or sustain life, or (c) whose failure to perform reasonably expected to cause the failure of the life support when properly used in accordance with instructions for use device ...
KSD169 1 NPN Epitaxial Silicon Transistor Absolute Maximum Ratings
KSD169 1 NPN Epitaxial Silicon Transistor Absolute Maximum Ratings

... or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. ...
Three-phase to Single-phase Cyclo-converters
Three-phase to Single-phase Cyclo-converters

... The circuit of a three-phase to single-phase cyclo-converter is shown in Fig. 30.1. Two threephase full-wave (six-pulse) bridge converters (rectifier) connected back to back, with six thyristors for each bridge, are used. The ripple frequency here is 300 Hz, six times the input frequency of 50 Hz. S ...
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conceptutal physics ch.23

... Ans. It means that the current is changing direction at a rate of 60 complete cycles per second. This is an example of alternating current which is abbreviated AC. ...
Higher Unit 1
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... When the switch in the circuit with the low voltage supply is closed, the current through the coil of wire creates a magnetic field. This closes the switch contact in the second circuit, completing the second circuit and allowing the motor to operate. Crocodile Physics [relay model] ...
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Introduction to Electronics - Cy

... – current that flows first in one direction then in the opposite direction ...
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Forward bias

... To prevent this happening we use the applied EmitterBase voltage to remove the captured electrons from the Base and maintain the number of holes it contains. This has the overall effect that we see some of the electrons which enter the transistor via the Emitter emerging again from the Base rather ...
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LM 7805 VOLTAGE REGULATOR

... We use the experimental assembly in Fig. 6. The input voltage is applied from a regulated dc power supply or a signal generator. We measure the dc voltages with a digital multimeter, and we use the dual channel oscilloscope to visualize the voltages in the circuit. ...
Ohm - Lawndale High School
Ohm - Lawndale High School

Chapter 6 - Series-Parallel Circuits
Chapter 6 - Series-Parallel Circuits

... output, the output voltage decreases • A load resistor should be large compared to the resistance across which it is connected, in order that the loading effect may be minimized • A balanced Wheatstone bridge can be used to measure an unknown resistance • A bridge is balanced when the output voltage ...
BD234/ 236/ 238 PNP Epitaxial Silicon Transistor
BD234/ 236/ 238 PNP Epitaxial Silicon Transistor

... or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. ...
ppt - Intro to Basic Electronics
ppt - Intro to Basic Electronics

Lecture 1: Introduction Some Definitions:
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< 1 ... 804 805 806 807 808 809 810 811 812 ... 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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