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Noise - nptel
Noise - nptel

... • The physical channel may, occasionally introduce additive noise. A transmission cable, for example, may be a source of noise. • The physical channel may also allow some interfering signals, which are undesired • The channel itself may have a limitation in bandwidth which may lead to some kind of d ...
Transistor Basics - Lakeland Regional High School
Transistor Basics - Lakeland Regional High School

New algorithms to improve the sensitivity of differential protection of
New algorithms to improve the sensitivity of differential protection of

... tap changer position. A transformer with in-phase regulation (off-nominal ratio), where only a change in the amplitude of the voltage occurs, may be used standalone (direct voltage adjustment) or in conjunction with a auxiliary transformer (indirect voltage adjustment). A. Direct voltage adjustment ...
Unit 2 - Mahalakshmi Engineering College
Unit 2 - Mahalakshmi Engineering College

HMC597LP4 / 597LP4E
HMC597LP4 / 597LP4E

... input. An off-chip capacitor allows the reconfiguration of the RF port to operate over the whole 100 - 4000 MHz band without additional off-chip components. Also ideal for software radio and other multi-band receivers, the HMC597LP4(E) demodulator is housed in a compact 4 x 4 mm SMT QFN package and ...
SubLVDS Camera Sensor Interface Reference Design (XAPP582)
SubLVDS Camera Sensor Interface Reference Design (XAPP582)

... value. The input voltage range is self-explanatory in that the common mode voltage can range from 0.5V to 1.3V. VTHH and VTHL are explained in more depth in VTHH, VTHL, and Eye Width. The termination resistance value is the parallel termination placed at the input of the receiver. The termination re ...
MAX8875 150mA, Low-Dropout Linear Regulator with Power-OK Output General Description
MAX8875 150mA, Low-Dropout Linear Regulator with Power-OK Output General Description

... General Description The MAX8875 low-dropout linear regulator operates from a +2.5V to +6.5V input range and delivers up to 150mA. A P-channel MOSFET pass transistor allows its 85µA supply current to remain independent of the load, making this device ideal for battery-operated portable equipment such ...
2SK3541
2SK3541

... the recommended usage conditions and specifications contained herein. 11) ROHM has used reasonable care to ensur the accuracy of the information contained in this document. However, ROHM does not warrants that such information is error-free, and ROHM shall have no responsibility for any damages aris ...
LT1512 – SEPIC Constant-Current/Constant
LT1512 – SEPIC Constant-Current/Constant

HV Concepts HVCEB E-Beam 4kW to 6kW with single HV On
HV Concepts HVCEB E-Beam 4kW to 6kW with single HV On

... Local/ Remote Command: Pulling this pin LOW and holding will remove control from the front panel. The Front Panel Potentiometer References will be over ridden as well as the HV On Command. Meters will function normally and the Preset button will read the remote program reference inputs instead of th ...
Series One Manual
Series One Manual

™ High-Performance, Bipolar-Input AUDIO OPERATIONAL AMPLIFIERS OPA1602
™ High-Performance, Bipolar-Input AUDIO OPERATIONAL AMPLIFIERS OPA1602

... web site at www.ti.com. ...
HARDWARE MANUAL  4K242, 4K1042, 4K1142
HARDWARE MANUAL 4K242, 4K1042, 4K1142

... DA15 GPIO The GPIO switch/led connector is a DA15 female. This connector is used to allow the player to control external LEDs or other devices requiring 24mA of current or less. Connect the LED outputs to the LED ANODE and connect the LED CATHODE to the ground. If you want to connect another device, ...
2SK3019
2SK3019

... the recommended usage conditions and specifications contained herein. 11) ROHM has used reasonable care to ensur the accuracy of the information contained in this document. However, ROHM does not warrants that such information is error-free, and ROHM shall have no responsibility for any damages aris ...
CA3240, CA3240A - Experimentalists Anonymous
CA3240, CA3240A - Experimentalists Anonymous

... D5. Constant current bias is applied to the differential amplifier from transistors Q2 and Q5 connected as a constant current source. This assures a high common-mode rejection ratio. The output of the differential amplifier is coupled to the base of gain stage transistor Q13 by means of an NPN curre ...
DS1818 3.3V EconoReset with Pushbutton FEATURES PIN ASSIGNMENT
DS1818 3.3V EconoReset with Pushbutton FEATURES PIN ASSIGNMENT

... NOTES: 1. All voltages are referenced to ground. 2. Measured with VCC ³ 2.7V. 3. A 1 kW external pull-up resistor may be required in some applications for proper operation of the microprocessor reset control circuit. 4. Measured with RST output open. 5. Measured with 2.7V £ VCC £ 3.3V. 6. tR = 5 ms. ...
VSP2254 数据资料 dataSheet 下载
VSP2254 数据资料 dataSheet 下载

... The output signal of a CCD image sensor is sampled twice during one pixel period: once at the reference interval and again at the data interval. Subtracting these two samples extracts the video information of the pixel and removes any noise which is common—or correlated—to both the intervals. Thus, ...
AP3983(B,C,D) - Diodes Incorporated
AP3983(B,C,D) - Diodes Incorporated

Amplifi er Application Guide  1
Amplifi er Application Guide 1

... check your cable connections to see if the unwanted noise is being introduced via a ground loop. To determine the proper wiring, first check whether the output from your source is unbalanced or balanced (if you don’t know, refer to the unit’s back panel or Operation Manual). Next, determine if the s ...
485-238
485-238

... and DNSK [4], require the generation of a chaotic waveform and its inverted signal. Traditionally, balanced signals are obtained by the use of passive or active baluns, with the latter being often more complex and sensitive to the operating conditions. Balanced oscillators providing anti-phase outpu ...
DS1088E Fixed-Frequency EconOscillator™ General Description Benefits and Features
DS1088E Fixed-Frequency EconOscillator™ General Description Benefits and Features

ADS7816 数据资料 dataSheet 下载
ADS7816 数据资料 dataSheet 下载

LX Owner`s Manual
LX Owner`s Manual

... irrigation spray and central to where the majority of the lighting fixtures will be installed. The goal is to minimize the length of cable runs from your transformer to the lighting fixtures thus minimizing voltage drop and cable size. Transformer(s) with power cords must be located adjacent to a 12 ...
Contents - Metravi
Contents - Metravi

LMV851/LMV852/LMV854 8 MHz Low Power
LMV851/LMV852/LMV854 8 MHz Low Power

< 1 ... 94 95 96 97 98 99 100 101 102 ... 326 >

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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