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ColorSource Instruction Manual
ColorSource Instruction Manual

... supply can be internally rewired for 230 VAC. The current requirement for the 12 head ColorSource system is 2 amps at 115VAC. The unit should never be powered from a dimmer. Severe damage will result, and is not covered by product warranty. ...
AD8074
AD8074

... is designed to provide this function and also provide excellent high-frequency performance for high-resolution graphics signals. Figure 3 shows a schematic of this circuit. The outputs of the AD8075 are low impedance voltage sources and are therefore series-terminated with 75 Ω resistors. The intern ...
Series Active Filters
Series Active Filters

FIN1108 — LVDS 8-Port, High-Speed Repeater FIN 1108 — LVD
FIN1108 — LVDS 8-Port, High-Speed Repeater FIN 1108 — LVD

... 1. tSK(LH), tSK(HL) is the skew between specified outputs of a single device when the outputs have identical loads and are switching in the same direction. 2. tSK(PP) is the magnitude of the difference in propagation delay times between any specified terminals of two devices switching in the same di ...
EXPERIMENT 3. SINGLE TUNED AMPLIFIERS Introduction
EXPERIMENT 3. SINGLE TUNED AMPLIFIERS Introduction

... In this laboratory, characteristics of single tuned amplifiers will be examined. In this type of amplifiers, one parallel tuned circuit is used as a load. They have several limitations such as small bandwidth, small gain bandwidth product, and do not provide flatten response. On the other hand, thei ...
Document
Document

... (DCM) are the two modes of operation in which a PFC converter is designed to operate [9], [10]. In CCM, the current in the inductor or the voltage across the intermediate capacitor remains continuous, but it requires the sensing of two voltages (dc link voltage and supply voltage) and input side cur ...
ADS901 数据资料 dataSheet 下载
ADS901 数据资料 dataSheet 下载

... when VIN = 0. The input impedance of the driver circuit is set to match to a 50Ω source impedance. The input levelshifting was designed that VIN can be between 0V and 5V, while delivering an output voltage of 1V to 2V into the ADS901. Both the OPA632 and ADS901 have a powerdown function pin with the ...
DS1810 5V EconoReset with Push-Pull Output FEATURES PIN ASSIGNMENT
DS1810 5V EconoReset with Push-Pull Output FEATURES PIN ASSIGNMENT

... APPLICATION DIAGRAM: RST VALID TO 0 VOLTS VCC ON THE DS1810 Figure 3 ...
Bus Voltage Degradation - Trans-Coil
Bus Voltage Degradation - Trans-Coil

C6200 GENCONTROLLER Function Description
C6200 GENCONTROLLER Function Description

The 555 Timer IC
The 555 Timer IC

... One precaution that should be observed with the trigger input signal is that it must not remain lower than 1/3 V+ for a period of time longer than the timing cycle. If this is allowed to happen, the timer will retrigger itself upon termination of the first output pulse. Thus, when the timer is drive ...
RF Generation - CAS - Cern Accelerator School
RF Generation - CAS - Cern Accelerator School

MAX1775 Dual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers General Description
MAX1775 Dual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers General Description

... through the inductor starts at zero, rises above the minimum current limit, then ramps down to zero during each cycle (see Typical Operating Characteristics). The switch waveform may exhibit ringing, which occurs at the resonant frequency of the inductor and stray ...
Design Guidelines for Flyback Converter Using HFC0400
Design Guidelines for Flyback Converter Using HFC0400

... (FB>2V), the switching frequency is fixed with frequency jittering for EMI reduction. The FB voltage regulates the primary side peak current signal (sensed by sensing resistor) connected to CS pin with an internal 1/3 voltage gain. When the load decreases to a given level (1.33V
Lecture 1: AC Fundamental
Lecture 1: AC Fundamental

... Chapter (15): AC Fundamentals  Sinusoidal ac Voltage One complete variation is referred to as a cycle. Starting at zero, the voltage increases to a positive peak amplitude, decreases to zero, changes polarity, increases to a negative peak amplitude, then returns again to zero.  Since the waveform ...
Energy Efficient Wide Bandgap Devices
Energy Efficient Wide Bandgap Devices

... for computer servers. The primary driver for this is to increase the efficiency of the SMPS, or increase its power density, or a combination of the two. This is enabled by the fact that there is no reverse recovery current during switching of the Schottky diode, versus the minority carrier recombina ...
MOSFET Biasing using..
MOSFET Biasing using..

... occurs when the MOSFET enters triod. This of course is avoided if the total voltage drain-to-source remains greater than the excess gate voltage, i.e.: ...
Technical information VDE 0530
Technical information VDE 0530

... duration not long enough to reach the thermal steady-state condition and a subsequent pause of such duration that the machine temperature, which has dropped again, is only less than 2°C different from that of the coolant. ...
Response-Based, Feedforward Wide-Area Control
Response-Based, Feedforward Wide-Area Control

... controls are implemented digitally [3]. Nevertheless, technological progress continues, with reference 4 being one example. Power system dynamic performance could be enhanced with replacement of legacy equipment such as PSS with noisy speed or frequency transducers and low gains. Power electronic de ...
DMM
DMM

... VOLTAGE SOURCES • In general, dc voltage sources can be divided into three basic types: – Batteries (chemical action or solar energy) – Generators (electromechanical), and – Power supplies (rectification—a conversion process to be described in your electronics courses). ...
CW-M SERIES AC POWER SOURCE
CW-M SERIES AC POWER SOURCE

... VA. The switchmode, Power Factor Corrected (PFC) design efficiently delivers clean AC power. Voltage, current, and frequency settings are quickly adjusted from the front panel knobs (10–turn potentiometers). Also, the sources can be programmed remotely from the rear panel analog port. The output is ...
S 9012 PNP Epitaxial Silicon Transistor Absolute Maximum Ratings
S 9012 PNP Epitaxial Silicon Transistor Absolute Maximum Ratings

... This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. ...
AW35271276
AW35271276

Sensors - skillbank
Sensors - skillbank

... former, metal film or graphite on substrate L ...
Transformers
Transformers

... How can I calculate it? The ratio of coils between the secondary and primary can be expressed as a fraction, N2/N1, or often NS/NP. (here, 8/4) This ratio is always the same as the ratio of the voltages, V2/V1, or often VS/VP. ...
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Pulse-width modulation



Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a modulation technique used to encode a message into a pulsing signal. Although this modulation technique can be used to encode information for transmission, its main use is to allow the control of the power supplied to electrical devices, especially to inertial loads such as motors. In addition, PWM is one of the two principal algorithms used in photovoltaic solar battery chargers, the other being MPPT.The average value of voltage (and current) fed to the load is controlled by turning the switch between supply and load on and off at a fast rate. The longer the switch is on compared to the off periods, the higher the total power supplied to the load.The PWM switching frequency has to be much higher than what would affect the load (the device that uses the power), which is to say that the resultant waveform perceived by the load must be as smooth as possible. Typically switching has to be done several times a minute in an electric stove, 120 Hz in a lamp dimmer, from few kilohertz (kHz) to tens of kHz for a motor drive and well into the tens or hundreds of kHz in audio amplifiers and computer power supplies.The term duty cycle describes the proportion of 'on' time to the regular interval or 'period' of time; a low duty cycle corresponds to low power, because the power is off for most of the time. Duty cycle is expressed in percent, 100% being fully on.The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there is practically no current, and when it is on and power is being transferred to the load, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle.PWM has also been used in certain communication systems where its duty cycle has been used to convey information over a communications channel.
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