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application note
application note

... Slowing down the rate at which the current falls at turn-off reduces the amount of R.F.I. generated and avoids the use of a series choke. It also reduces any tendency for audible noise generation. IGBTs, unlike TRIACs, do not have a threshold current limit. This means that no flicker is observed as ...
LMP7731 2.9 nV/sqrt(Hz) Low Noise, Precision, RRIO Amplifier (Rev
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... This operational amplifier offers low voltage noise of 2.9 nV/√Hz with a 1/f corner of only 3 Hz. The LMP7731 has bipolar input stages with a bias current of only 1.5 nA. This low input bias current, complemented by the very low level of voltage noise, makes the LMP7731 an excellent choice for photo ...
physics to go.
physics to go.

DC circuit calculations This worksheet and all related files
DC circuit calculations This worksheet and all related files

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LOC02 Basic Electrical Measurement and Error Analysis

... the range of the ammeter starting with the highest scale. In this case the 10Adc scale in the range marked A with the symbol over it. To use this range the leads must be plugged into the ‘COM’ and the ‘10A’ terminals respectively. If this range is determined too high then the range must be dropped. ...
BD8203EFV
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... An electrical component that transforms electrical energy into heat and light. (4) This type of current flows in one direction only. (6) The rate of transforming energy. (5) The compass is an example of this effect of an electric current. (8) Electrical device that measures electric current. (7) Ele ...
BalloonSat Manual - LaSPACE - Louisiana State University
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... When designing devices which will interface to the BASIC Stamp I/O pin usage must be allocated to prevent contention of devices. It is possible to have multiple I2C devices sharing the same hardware I/O lines if each device has a unique I2C address. MICROWIRE devices can share clock and data lines b ...
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... Input signals that can swing more than 0.5V beyond the supply rails should be current limited to 10mA or less. (3) Short-circuit to ground. ...
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... Power Supply from µP Port Pin The low quiescent current of the MAX6666/MAX6667 enables it to be powered from a logic line, which meets the requirements for supply voltage range. This provides a simple shutdown function to totally eliminate quiescent current by taking the logic line low. The logic li ...
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... mixture delivered by the carburetor. The shorter the "on-time," the lower the dwell -and the richer the fuel mixture. A normally operating system will have a varying dwell, but it should average about ...
CIRCUIT #1, To measure generator open circuit voltage:
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... Determine the value of Req, the equivalent resistance of the generator If a measurement of the short circuit current, Isc, is made at the same angular velocity at which Voc was measured, and Ohm's law is used to determine the voltage drop across Req, it must be the case that Vg - Isc Req = 0 Noting ...
lab proceedures (word format) - Rose
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... I have designed 2 circuits - Circuit A and Circuit B. Both circuits consist of an array of flip-flops all driven by a single input and a clock. The difference between these two circuits is the manner in which I’ve layed out the clock line and the power and ground lines. You’re job is to pull these t ...
LOC04 Basic Electrical Measurement and Error Analysis
LOC04 Basic Electrical Measurement and Error Analysis

... the range of the ammeter starting with the highest scale. In this case the 10Adc scale in the range marked A with the symbol over it. To use this range the leads must be plugged into the ‘COM’ and the ‘10A’ terminals respectively. If this range is determined too high then the range must be dropped. ...
Current and Voltage in Series and Parallel Circuits
Current and Voltage in Series and Parallel Circuits

Chapter 6, Circuits - MIT OpenCourseWare
Chapter 6, Circuits - MIT OpenCourseWare

... network of arteries, capillaries, and veins can be thought of and analyzed as a circuit. As with the flow of electrical current in the flashlight example, blood flows through the circulatory system in loops: it starts at one place and ultimately returns to that same place. As we learn about circuits, w ...
Transmission Line Theory
Transmission Line Theory

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Operational amplifier



An operational amplifier (""op-amp"") is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output. In this configuration, an op-amp produces an output potential (relative to circuit ground) that is typically hundreds of thousands of times larger than the potential difference between its input terminals.Operational amplifiers had their origins in analog computers, where they were used to do mathematical operations in many linear, non-linear and frequency-dependent circuits. The popularity of the op-amp as a building block in analog circuits is due to its versatility. Due to negative feedback, the characteristics of an op-amp circuit, its gain, input and output impedance, bandwidth etc. are determined by external components and have little dependence on temperature coefficients or manufacturing variations in the op-amp itself.Op-amps are among the most widely used electronic devices today, being used in a vast array of consumer, industrial, and scientific devices. Many standard IC op-amps cost only a few cents in moderate production volume; however some integrated or hybrid operational amplifiers with special performance specifications may cost over $100 US in small quantities. Op-amps may be packaged as components, or used as elements of more complex integrated circuits.The op-amp is one type of differential amplifier. Other types of differential amplifier include the fully differential amplifier (similar to the op-amp, but with two outputs), the instrumentation amplifier (usually built from three op-amps), the isolation amplifier (similar to the instrumentation amplifier, but with tolerance to common-mode voltages that would destroy an ordinary op-amp), and negative feedback amplifier (usually built from one or more op-amps and a resistive feedback network).
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