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Determination of Contact Potential Difference by the Kelvin Probe
Determination of Contact Potential Difference by the Kelvin Probe

... quantitatively. He used the condenser with plates of two various metals, as well as an electrometer, and it was for the first time when the direct measuring of CPD had been carried out compensating the measured potential difference with a variable outer voltage source (null-method). Zisman first app ...
STP 3 & 4 2.0  Design Certification ITAAC
STP 3 & 4 2.0 Design Certification ITAAC

... using simulated signals from the NMS MRBM at above low power setpoint; and a. A signal from the NMS MRBM at above from the FMCRD separation switches the low power setpoint. and Startup and Run Mode positions b. A signal from the CRD System FMCRD of RPS Mode Switch; and from control hollow piston/bal ...
PowerEase® 90W Power Supply_RevB.0
PowerEase® 90W Power Supply_RevB.0

... This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment ge ...
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... someone is in the room and adjusts the airflow between the preset min. flow and the occupancy flow. • The CO2sensor continuously measures the air quality in the room. When the room is occupied, the controller variably adjusts the airflow between the preset occupancy flow and the max. permissible fl ...
mmdv30s mmdh30s service manual
mmdv30s mmdh30s service manual

... In the interest of user-safety the unit should be restored to its original condition and only parts identical to those specified should be used. ...
Electric polarization properties of single bacteria measured with electrostatic force microscopy
Electric polarization properties of single bacteria measured with electrostatic force microscopy

... be done mapping the surface at the same time as the topography. The  measurement  can  be  done  at  a  fixed  frequency  or  in  spectroscopic  mode  (doing  an  impedance  spectroscopy  at  each  point).  A  similar  approach using a low noise current‐to‐voltage amplifier together with a  lock‐in  ...
A New Piezoelectric Tube Scanner for Simultaneous Sensing and
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... Observe that the applied voltage v() is a periodic function of time with zero average value. The current i() is also a periodic function of time with the same period, but it is always nonnegative. By use of filters it is possible to make this current almost constant; hence a sinusoidal signal can ...
hot-wire and hot-film anemometry - dept.aoe.vt.edu
hot-wire and hot-film anemometry - dept.aoe.vt.edu

... temperature (resistance) constant, the bridge voltage will have to be increased. Thus, the faster the flow, the higher the voltage. A very fine hot wire by itself cannot respond to changes in fluid velocity at frequencies above about 500 Hz. By compensating for frequency lag with a nonlinear amplifi ...
Electromagnetic Induction - Goodheart
Electromagnetic Induction - Goodheart

LP8550 High-Efficiency LED Backlight Driver for Notebooks (Rev. E)
LP8550 High-Efficiency LED Backlight Driver for Notebooks (Rev. E)

... Matching is the maximum difference from the average. For the constant current sinks on the part (OUT1 to OUT6), the following are determined: the maximum output current (MAX), the minimum output current (MIN), and the average output current of all outputs (AVG). Two matching numbers are calculated: ...
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... Logic controlled high-side power switch Rev. 1 — 29 April 2013 ...
™ GSD3 Series DC Drives User Manual User Manual Number: IH-GSD3-User-M Page 1
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Using Langmuir Probes to Measure Ion Velocities in Pyrotechnic Plasmas
Using Langmuir Probes to Measure Ion Velocities in Pyrotechnic Plasmas

... Using Langmuir Probes to Measure Ion Velocities in Pyrotechnic Plasmas The very fluctuations that often complicate measurements of plasma parameters can be used to measure ion velocities in pyrotechnic plasmas. When burned in a vacuum, many' pyrotechnic devices will form exhaust plumes that are hot ...
Quantum Random Number Generation on a Mobile Phone
Quantum Random Number Generation on a Mobile Phone

DIGISAT PRO ACCU English
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... The DIGISAT PRO ACCU looks at the entire spectrum of signals received from the LNB and gives an overall summation of the signal. It is not transponder / frequency selectable. If you need specific frequency selections, EMITOR AB offers the SATLOOK DIGITAL NIT meter which can provide individual trans ...
AN-8208 Introduction to Automotive Ignition Systems Introduction
AN-8208 Introduction to Automotive Ignition Systems Introduction

... In the early 1900s, the inductive ignition system was developed for internal combustion engines. The system and its variants have been in use since that time. In the early days, the primary winding of the ignition coil was controlled by mechanical switches, commonly called the breaker points, which ...
Technical Information ALUMINIUM ELECTROLYTIC CAPACITORS
Technical Information ALUMINIUM ELECTROLYTIC CAPACITORS

... effects. There are many reasons for these changes. Some performance aspects of the capacitors cannot be predicted. Hence evaluation of the capacitor's long term behavior must be determined by ‘endurance' tests. Useful life (service life or operational life) is the life ...
Avalanche Effect
Avalanche Effect

MX15 Series User Manual
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244-33LOADS

... ELEMENTS ELECTRONIC DEVICES SPECIAL PROCESS EQUIPMENT RESISTIVE LOADS & INDUCTIVE LOADS ...
Accelerators of ELV-type
Accelerators of ELV-type

... cores of the beam scanning system, 3 - protection cylinder ange, 4 - protection cylinder, foil blow, 5 - air jet cooling, 6 - frame for xation of foil, 7 -extraction foils. on the basis of the existing design with a length of extraction window of 1600 mm. Two parallel foils are used in the device. ...
Slides - Events
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ABCStar for ATLAS Strips
ABCStar for ATLAS Strips

... • Serial transfer of data to the HCC was changed to direct communication from all ABCs to the HCC – hence the new ABCStar and HCCStar. • The “star” configuration removed a bottleneck in data transfer to the HCC, which had considerable bandwidth still available. • While both ASICs required changes, t ...
Mutual Inductance
Mutual Inductance

... Mutual inductance only depends on geometry of coils and the orientation of the coils to each other Mutual inductance is also the same for the case when coil 2 carries the current and induces a current in coil 1: ...
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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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