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**** 1 - (ERC@SKKU) :: Home
**** 1 - (ERC@SKKU) :: Home

... 3). A low power control circuit that adopts a novel open loop asynchronous architecture. 4). Self start up circuit to kick-start the energy extraction process when the stored energy is low. ...
channeltron
channeltron

... gaining in popularity since they can significantly reduce the size of the detector, be fabricated in a wider variety of shapes and also have been found to withstand the higher currents required for analog operation. They are also a good compromise between small size and ruggedness. The extruded tube ...
BC817DPN NPN/PNP general purpose transistor
BC817DPN NPN/PNP general purpose transistor

DP5000 Manual
DP5000 Manual

... the case, run +5 V/-5 V as required by your preamp. Current draw must not be greater than 10 mA. If a flow switch and/or low-level tank switch is available, run wires to the controller - entering through one of the spare cable ports. Remove the appropriate jumper(s) and attach the external wires. Po ...
FEATURES FUNCTIONAL BLOCK DIAGRAM
FEATURES FUNCTIONAL BLOCK DIAGRAM

... The ADL5353 provides two switched LO paths that can be used in TDD applications where it is desirable to rapidly switch between two local oscillators. LO current can be externally set using a resistor to minimize dc current commensurate with the desired level of performance. For low voltage applicat ...
Implementation of SOP Expressions
Implementation of SOP Expressions

... Implementation of POS Expressions (1/2)  Product-of-Sums expressions can be implemented using:  2-level OR-AND logic circuits  2-level NOR logic circuits ...
PD84002
PD84002

... enhancement-mode lateral Field-Effect RF power transistor. It is designed for high gain, broad band commercial and industrial applications. It operates at 7 V in common source mode at frequencies of up to 1 GHz. PD84002’s superior gain and efficiency makes it an ideal solution for portable radio and ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

... In this paper, we have introduced the concept of rectennas and reviewed its history briefly. Some important design issues of rectennas have also been addressed. Moreover, a detailed discussion on the rectenna efficiency has been conducted. It is clear that to achieve high energy conversion efficienc ...
Modeling a Circuit that Represents an Electrolytic Solution at
Modeling a Circuit that Represents an Electrolytic Solution at

... example, biosensors is a small tool that measures a wide variety of living organisms. We can model these organisms as an electrolyte because the way it behaves can be controlled directly. For example, lactate levels found in blood can be measured using a biosensor[1] . Blood must be drawn from a per ...
IGC82T170S8RM
IGC82T170S8RM

... Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Inf ...
TS3DV20812 数据资料 dataSheet 下载
TS3DV20812 数据资料 dataSheet 下载

BATTERY CHARGING AND EMERGENCY
BATTERY CHARGING AND EMERGENCY

G6 - CIRCUIT COMPONENTS
G6 - CIRCUIT COMPONENTS

... in parallel to increase current handling capacity, what is the purpose of the resistor connected in series with each diode? A. To ensure the thermal stability of the power supply B. To regulate the power supply output voltage C. To ensure that one diode doesn't carry most of the current D. To act as ...
Lightning Protection for Power Systems: A Primer
Lightning Protection for Power Systems: A Primer

... surge arrestor has a high impedance and therefore does not allow much current to flow through it. This keeps power consumption low under normal operating conditions. When a voltage surge occurs, however, the surge arrestor allows a large amount of current to flow, limiting the voltage across itself ...
Distribution Systems, Substations, and Integration of Distributed
Distribution Systems, Substations, and Integration of Distributed

... requirements. These various branching laterals can be operated in a radial configuration or as a looped configuration, where two or more parts of the feeder are connected together usually through a normally open distribution switch. High-density urban areas are often connected in a complex distribut ...
SIGC84T120R3E
SIGC84T120R3E

... Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Inf ...
Ohm`s Law - Galileo - University of Virginia
Ohm`s Law - Galileo - University of Virginia

Design Example –7.1.
Design Example –7.1.

... radio receivers tunable in a certain frequency range and as intermediate frequency (IF) amplifiers tuned to a fixed frequency. From 30s to 50s the RF amplifiers using electron tubes were one of the most important and interesting research area of the electronic engineering and investigated in depth. ...
Block C: Amplifiers - City University of Hong Kong
Block C: Amplifiers - City University of Hong Kong

... Physical limit: Frequency response limit So far we have assumed in our ideal op-amp model that the open loop gain AV(OL) is infinite or at most a large constant value. In reality, AV(OL) varies with a frequency response like a low pass filter: ω0: frequency when the response starts to drop off The ...
(A) resistance
(A) resistance

... Current is a measure of the rate of flow of electric charge through a circuit. A large current means that the rate of flow is more rapid. Current can be changed by increasing or decreasing the voltage of the circuit. Components in a circuit may reduce the size of the current. This is called resistan ...
Activity 1.2.5 Mechanical System Efficiency Equipment
Activity 1.2.5 Mechanical System Efficiency Equipment

... 3. Attach the weight. Place the device so that the weight freely hangs from the edge of a table. 4. Completely unwind the winch cable so that the weight freely hangs from the edge of the table. Measure 15 cm up from the end of the paperclip and mark the winch cable using permanent marker. This will ...
The minimum value of insulation resistance for 230v domestic
The minimum value of insulation resistance for 230v domestic

... a) Run cables with capping fitted b) All circuits protected with a 30mA RCBO c) Cables to have additional protection by means of 30 mA RCD (522.6.7) d) Cables to have additional protection by means of 100 mA RCD 6. When assessing circuits for any need of continuity of service, the following characte ...
Document
Document

... criterion is used to calculate the optimum value of resistance which leads to maximum critical load angle. Simulation results are performed by EMTDC/PSCAD and analytic analysis is presented.. II. POWER CIRCUIT TOPOLOGY OF NSFCL AND ITS ...
Rockwell Jupiter GPS module
Rockwell Jupiter GPS module

Millennia NSEQ-2 Manual
Millennia NSEQ-2 Manual

... Using EQ in the digital domain can cause clipping, especially when applied to a normalized file. With the TRIM pot you can attenuate the output gain (-20dB to 0dB) to avoid digital clipping. The hardware NSEQ-2 does not have the TRIM pot. (14) M/S (Plugin only, available on stereo channels only) By ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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