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Embedded Computer Systems Elec 296
Embedded Computer Systems Elec 296

... • As long as the sampling rate is twice the sampled signal’s highest frequency the frequency content remains valid for the digital signal but this rule doesn’t apply to amplitude fidelity. • Consider N an integer. If for some value of N, N*δt equals the time period, Ts, of the frequency of the sampl ...
Lecture 30: Audio Amplifiers
Lecture 30: Audio Amplifiers

... We’ll describe the operation of this circuit beginning near the input. (Note that Sedra and Smith, 5th edition, Sec. 14.8 has a nice description of a closely related circuit: the LM380 IC.) There are three stages of amplification in the LM386: 1. pnp common-emitter amplifiers (Q1 and Q2), 2. pnp dif ...
CIRCUIT FUNCTION AND BENEFITS
CIRCUIT FUNCTION AND BENEFITS

... or spatialization effects tuned to the specific speaker configurations. The ADP3336 generates the 3.3 V supply for the ADAU1701. The SSM2306 is a stereo 2 W Class-D amplifier with ultralow idle current and high efficiency. The amplifier does not require bulky external inductors, but it does require ...
USING A DIGITAL VOLT- OHM - METER - CTE-Auto
USING A DIGITAL VOLT- OHM - METER - CTE-Auto

... estimate what readings you anticipate getting and then set the meter to a value higher than what you are expecting to measure. ...
INTERNETWORKING I
INTERNETWORKING I

... Electric Static Discharge. It can destroy semiconductors and data. What is the purpose of a safety ground on a computer? It is to prevent metal parts from becoming energized with hazardous voltage, which can result from a wiring fault in the computer. What is the main problem with a large building t ...
Stacker De-Stacker
Stacker De-Stacker

... The SDS has been designed to allow two satellite signals to be fed down one coaxial cable before being returned to its original configuration to feed two STB’s or a twin tuner satellite STB. Signals can be supplied by either a universal multi-port LNB or more typically from a multiswitch. By allowin ...
DC Circuits I - Galileo and Einstein
DC Circuits I - Galileo and Einstein

... The emf E and Internal Resistance • This chemically generated voltage E also has to push the current through the battery itself. • The battery has an internal resistance, usually denoted by r, so for a current I in the circuit, the battery supplies to the outside world a terminal voltage • V= ...
Eye on Safety - Berkley Agribusiness
Eye on Safety - Berkley Agribusiness

... Wires and other components in a circuit have a maximum amount of current they can carry safely. An example of an overload is plugging in too many devices into a circuit. The excessive current will heat the wires to a very high temperature or cause arcing. Damaged insulation exposes bare metal wiring ...
Phys132 Lecture 5 - University of Connecticut
Phys132 Lecture 5 - University of Connecticut

Magnetic Induction
Magnetic Induction

Lecture 20
Lecture 20

... E-M Cannon • Connect solenoid to a source of alternating voltage. • The flux through the area ^ to axis of solenoid therefore changes in time. • A conducting ring placed on top of the solenoid will have a current induced in it opposing this change. • There will then be a force on the ring since it c ...
Lesson 3: Learning the Language for DC Circuits
Lesson 3: Learning the Language for DC Circuits

... Voltmeter (reads voltage) ...
The MWS Circuit T (CT)
The MWS Circuit T (CT)

... MWS, Modular Wiring Systems, provide low cost installation of branch circuit wiring for lighting and power. Using modular components that plug together, MWS can be installed in a fraction of the time of hardwiring. Plus, MWS offers the advantage of relocating fixtures and outlets in future renovatio ...
DIY Factory
DIY Factory

To estimate the total leakage in cables under 1100 ft. long, add 20
To estimate the total leakage in cables under 1100 ft. long, add 20

CN-0037 利用电流输出DAC AD5426/AD5432/AD5443进行交流信号处理
CN-0037 利用电流输出DAC AD5426/AD5432/AD5443进行交流信号处理

... 12-bit current output digital-to-analog converters, respectively. These devices operate from a 2.5 V to 5.5 V power supply, making them suitable for battery powered applications, signal attenuation, channel equalization, and waveform generation. The maximum signal range can be up to ±12 V, but the o ...
ground potential rise in high voltage substations
ground potential rise in high voltage substations

... potential gradient (drop of voltage with distance) may be so high that a person could be injured due to the voltage developed between two feet, or between the ground on which the person is standing and a metal object. Any conducting object connected to the substation earth ground, such as telephone ...
Transistor Amplifier – Design
Transistor Amplifier – Design

... The Fig.1 explains how voltage and current are flowing through a bipolar transistor. Input voltage to the circuit is 12 volt DC. The base of T1 is connected to a potential divider R1-R2. If they have equal values, half supply voltage will be available at the base of T1. Here the value of R1 is 3.2 O ...
The MWS T Cable (TC)
The MWS T Cable (TC)

... MWS, Modular Wiring Systems, provide low cost installation of branch circuit wiring for lighting and power. Using modular components that plug together, MWS can be installed in a fraction of the time of hardwiring. Plus, MWS offers the advantage of relocating fixtures and outlets in future renovatio ...
Voltage Transfer Characteristic, BJT Biasing 1
Voltage Transfer Characteristic, BJT Biasing 1

Subscriber Loop Design Techniques
Subscriber Loop Design Techniques

... Summary of Limiting Conditions • the physical size of an exchange serving area is limited by factors of economy involving signaling and transmission: • Signaling limitations are a function of the type of exchange and the diameter of the subscriber pairs and their conductivity. • transmission is inf ...
µ V V V V V 120 )73.169)(707.0( 707.0 2 = ≈ × ≈ = Hz mS T f mS s
µ V V V V V 120 )73.169)(707.0( 707.0 2 = ≈ × ≈ = Hz mS T f mS s

“Test Before Touch” Easier Said Than Done
“Test Before Touch” Easier Said Than Done

... Easier Said Than Done Ken Crawford, DuPont Kent Haggerty, Dupont ...
Signal Processing with Analog circuit
Signal Processing with Analog circuit

... SIGNAL PROCESSING WITH ANALOG CIRCUIT ...
Electronics EECE2412 — Spring 2016 Exam #1
Electronics EECE2412 — Spring 2016 Exam #1

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Ground loop (electricity)

In an electrical system, a ground loop is an equipment and wiring configuration which results in excessive unwanted current in a conductor connecting two points that are supposed to be at the same electric potential, often ground, but are actually at different potentials.Ground loops are a major cause of noise, hum, and interference in audio, video, and computer systems. They do not in themselves create an electric shock hazard, the inappropriate connections merely create a not necessarily very good instance of Electrical_bonding, which is explicitly required by safety regulations in certain circumstances. In any case the voltage difference between the ground terminals of each item of equipment is small. A severe risk of electric shock occurs when equipment grounds are improperly removed in an attempt to cure the problems thought to be caused by ground loops.
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