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Electrical and electronical training
Electrical and electronical training

... Transistor TR2 is driven into cut-off so capacitor C1 now begins to charge in the opposite direction via resistor R3 which is also connected to the +9 volts supply rail, Vcc. Thus the base of transistor TR2 is now moving upwards in a positive direction towards Vcc with a time constant equal to the C ...
MAX5363/MAX5364/MAX5365 Low-Cost, Low-Power, 6-Bit DACs with 3-Wire Serial Interface in SOT23 General Description
MAX5363/MAX5364/MAX5365 Low-Cost, Low-Power, 6-Bit DACs with 3-Wire Serial Interface in SOT23 General Description

... first applied or when VDD dips below 1.7V (typ). This ensures that unwanted DAC output voltages will not occur immediately following a system startup, such as after a loss of power. The output glitch on startup is typically less than 50mV. ...
user`s manual
user`s manual

... (AC adapter). One reason for this feature is electrical safety. Keeping danger voltages (main) out of the WE increases the electrical safety. Therefore an external power supply of high quality and safety should be used. If WE is used in Germany the external power supply has to be VDE approved. Anoth ...
ADI Water Analysis Solution for pH Meters and Conductivity Meters
ADI Water Analysis Solution for pH Meters and Conductivity Meters

... In this article, we will talk about two of the most popular applications in the water analysis field: pH meters and conductivity meters. pH is a measure of the acidity or alkalinity of a solution. As we know, most living things depend on a proper pH level to sustain life. The measurement of pH is cr ...
Lab 1 Operational Amplifiers Circuits
Lab 1 Operational Amplifiers Circuits

... Equation 2.10 ...
AN11176 Automotive qualified ESD protection for LVDS
AN11176 Automotive qualified ESD protection for LVDS

... to higher voltage overshoots. This is due to the reaction time of the protection devices. Even if the test voltage of both methods/standards is similar, IEC 61000-4-2 remains the most stringent test for a protection circuit because the maximum internal voltage reaches a higher level during a dischar ...
GTL2003 1. General description 8-bit bidirectional low voltage translator
GTL2003 1. General description 8-bit bidirectional low voltage translator

... For the bidirectional clamping configuration, higher voltage to lower voltage or lower voltage to higher voltage, the GREF input must be connected to DREF and both pins pulled to HIGH side VDD1 through a pull-up resistor (typically 200 k). A filter capacitor on DREF is recommended. The processor ou ...
LT1719 - 4.5ns Single/Dual Supply 3V/5V Comparator with Rail-to-Rail Output
LT1719 - 4.5ns Single/Dual Supply 3V/5V Comparator with Rail-to-Rail Output

... maximum currents noted. External input protection circuitry is only needed if currents would otherwise exceed these absolute maximums. The internal catch diodes can conduct current up to these rated maximums without latchup, even when the supply voltage is at the absolute maximum rating. The LT1719 ...
Technical recommendation for the purchase of EAVC for HV systems
Technical recommendation for the purchase of EAVC for HV systems

MAX1565 Small, High-Efficiency, Five-Channel Digital Still Camera Power Supply General Description
MAX1565 Small, High-Efficiency, Five-Channel Digital Still Camera Power Supply General Description

... Note 1: LXSU has internal clamp diodes to OUTSU and PGND, and LXSD has internal clamp diodes to INSD and PGND. Applications that forward bias these diodes should take care not to exceed the devices power dissipation limits. Stresses beyond those listed under “Absolute Maximum Ratings” may cause perm ...
MAX6666/MAX6667 High-Accuracy PWM Output Temperature Sensors General Description
MAX6666/MAX6667 High-Accuracy PWM Output Temperature Sensors General Description

... 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 ...
16-Bit Bus Transceivers And Registers With 3
16-Bit Bus Transceivers And Registers With 3

... consist of D-type flip-flops and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage registers. These devices can be used as two 8-bit transceivers or one 16-bit transceiver. Output-enable (OEAB and OEBA) inputs are provided to cont ...
Micrologic P fonctionnement
Micrologic P fonctionnement

... Improvement of discrimination with HV fuses Better protection of switchgears Understanding Micrologic P- 14/03- DBTP218EN ...
hmc424lp3 product note
hmc424lp3 product note

... Since the digital attenuator is being supplied with its specified control voltage levels and there is no change to the RF circuit, there is no degradation in RF performance of the HMC424LP3. Full attenuation range and accuracy is maintained over the entire operating frequency range as shown in figur ...
Presentation at ONR Contractor Meeting, CMU, April 2001
Presentation at ONR Contractor Meeting, CMU, April 2001

... Higher frequency of signal implies necessarily more power delivered. (one student “average power delivered by AC signal is zero.”). In general, all students found it hard to compare change in power delivered as frequency and amplitude of signal changed. ...
WattStation™ Wall Mount
WattStation™ Wall Mount

... vehicle pilot diode check (see fault code 121), but will not allow simplified charging (see fault code 122). It is possible to disable the diode test with a de-rated current by installing a special jumper, e.g. to disable the diode test and operate at 16A the jumper would need to connect pins 1, 3 a ...
LTC1628/LTC1628-PG High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators
LTC1628/LTC1628-PG High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators

... RUN/SS1, RUN/SS2: Combination of soft-start, run control inputs and short-circuit detection timers. A capacitor to ground at each of these pins sets the ramp time to full output current. Forcing either of these pins back below 1.0V causes the IC to shut down the circuitry required for that particula ...
OPA830-EP Low-Power, Single-Supply, Wideband Operational
OPA830-EP Low-Power, Single-Supply, Wideband Operational

... These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. ...
MAX1677 Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter General Description
MAX1677 Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter General Description

... displays (LCDs). Operation with inputs as low as 0.7V allows the MAX1677 to accept 1, 2, or 3-cell alkaline, NiCd, or NiMH batteries as well as 1-cell lithium-ion batteries. The device requires no external FETs and can maintain regulation while consuming only 20µA, making it ideal for hand-held pen- ...
Progress in high-power high-efficiency VCSEL arrays [7229-2]
Progress in high-power high-efficiency VCSEL arrays [7229-2]

SKY65120-21 数据资料DataSheet下载
SKY65120-21 数据资料DataSheet下载

... Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. ...
Bistable Rotary Solenoid
Bistable Rotary Solenoid

... ‘stick’ with zero torque if forced to this position. Caution should be exercised in making judgements on this behaviour as the position of the ‘flipping’ points may be influenced by the excitation history of the solenoid. When the solenoid is driven by electrical excitation to it’s end position, the ...
IEEIE Standard Letter Symbols
IEEIE Standard Letter Symbols

... V(BR)AGX,~ ( B R ) G K x G , ~ ( B R I K G X , ~ [ B R I G A X G ,V(BR)CBX, VFX, p-Rx-The voltage between the anode and cathode V(BR)CEX, V c B R I E B X , V ( B R ) E C X , V(BRIBEX7 V,BR,BCx-The terminals of aPNPN-type switch for a given current breakdown (breakover) voltage between the terminals ...
VOS628A Optocoupler, Phototransistor Output, AC Input, Low Input
VOS628A Optocoupler, Phototransistor Output, AC Input, Low Input

C706 Alternator Troubleshooting Guide
C706 Alternator Troubleshooting Guide

... Description and Operation A2-325 regulator is attached directly to the outside of alternator or mounted remotely on the vehicle. Main diagnostic feature is a tricolored LED next to the harness receptacle on regulator. LED works like a voltmeter, measuring charging voltage. See Table 3 for diagnostic ...
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Surge protector



A surge protector (or surge suppressor) is an appliance/device designed to protect electrical devices from voltage spikes. A surge protector attempts to limit the voltage supplied to an electric device by either blocking or by shorting to ground any unwanted voltages above a safe threshold. This article primarily discusses specifications and components relevant to the type of protector that diverts (shorts) a voltage spike to ground; however, there is some coverage of other methods.The terms surge protection device (SPD), or transient voltage surge suppressor (TVSS), are used to describe electrical devices typically installed in power distribution panels, process control systems, communications systems, and other heavy-duty industrial systems, for the purpose of protecting against electrical surges and spikes, including those caused by lightning. Scaled-down versions of these devices are sometimes installed in residential service entrance electrical panels, to protect equipment in a household from similar hazards.Many power strips have basic surge protection built in; these are typically clearly labeled as such. However, power strips that do not provide surge protection are sometimes erroneously referred to as ""surge protectors"".
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