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Partlow MIC 1400 Catalog Page
Partlow MIC 1400 Catalog Page

NS RF2192
NS RF2192

... select an inductor with very low DC resistance with a 1A current rating. Alternatively, shunt microstrip techniques are also applicable and provide very low DC resistance. Low frequency bypassing is required for stability. Same as pin 10. Same as pin 10. ...
CMYX Color MArk Sensor Cut Sheet | EMX Inc.
CMYX Color MArk Sensor Cut Sheet | EMX Inc.

... Increase process throughput with high-speed, accurate and reliable color mark detection. The CMYXTM employs our field-proven, patented technology, combining a broad-spectrum light source, small spot size and fast response to achieve highspeed mark detection capable of detecting standard one-track PH ...
Model 8000 brochure - Rotek Instrument Corp.
Model 8000 brochure - Rotek Instrument Corp.

... at more than 10,000 times per second. Its high-power output amplifiers provide levels of burden and compliance required to drive even the most difficult loads. The deviation function of the Model 8000 may be set to indicate meter errors in any of the output parameters including voltage, current, pow ...
A literature survey on Energy Efficiency Enhancement in buildings considering
A literature survey on Energy Efficiency Enhancement in buildings considering

Presentation: Error Control Coding
Presentation: Error Control Coding

... Less silicon area because the gate driver circuit is simpler ...
Empirical Modeling of Microwave Devices
Empirical Modeling of Microwave Devices

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Isolated RS232 + 1W Power

HV Vacuum circuit-breakers: Challenges of capacitive load
HV Vacuum circuit-breakers: Challenges of capacitive load

ZXCT1010 ENHANCED HIGH-SIDE CURRENT MONITOR
ZXCT1010 ENHANCED HIGH-SIDE CURRENT MONITOR

... Zetex products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Zetex Semiconductors plc. As used herein: A. Life support devices or systems are devices or systems which: 1. are in ...
hdbr manual
hdbr manual

... CENTER FREQUENCY: This knob allows you to select the frequency you want the HDBR bass restoration circuit to maxximize. FREQUENCY RANGE: This knob allows for you to adjust the range of frequencies from your center point. All the way to the left will include the maxximum frequencies to maxximize, wh ...
Riotech Instruments Ltd LLP VTU1X
Riotech Instruments Ltd LLP VTU1X

Live Power Line Inspection Robot
Live Power Line Inspection Robot

BDTIC  www.BDTIC.com/infineon Application Note No. 097
BDTIC www.BDTIC.com/infineon Application Note No. 097

... A simple way or “trick” to reduce the operating voltage seen by the LED driver IC is to use some of the LED’s in the LED string between the power supply +VS and the power supply pin of the LED driver. In this way, the voltage actually present at the LED driver’s power supply pin is reduced or “dropp ...
Aalborg Universitet
Aalborg Universitet

ms 300 series meter
ms 300 series meter

... Before any measurement, ensure correct positioning of the leads on the galvanometer and of the switch. When the value range of a measurement is not known, place the switch at the highest caliber, and then gradually reduce it until the appropriate caliber is achieved: the reading should preferably be ...
control module - Siemens Industry, Inc.
control module - Siemens Industry, Inc.

... of SIMOREG DC-MASTER units when it comes to retrofitting and modernization. All of the “family members” are perfectly harmonized – guaranteeing smooth interaction between the various devices. ...
Trigger Transformers and Chokes
Trigger Transformers and Chokes

... The inductance of the secondary winding (of the trigger transformer) is part of the discharge circuit and may be ...
The Making of a TV Repairman, 1950 - 1960
The Making of a TV Repairman, 1950 - 1960

ALTEK MILLIAMP LOOP CALIBRATOR MODEL 334
ALTEK MILLIAMP LOOP CALIBRATOR MODEL 334

Installation
Installation

TG1000 and TG2000 low cost 10MHz and 20MHz DDS function
TG1000 and TG2000 low cost 10MHz and 20MHz DDS function

... DDS function generator at a significantly lower price. DDS (direct digital synthesis) is a technique for generating waveforms digitally using a phase accumulator, a look-up table and a DAC. The accuracy and stability of the resulting waveforms is related to that of the crystal master clock. When cor ...
View paper - Efficient Power Conversion
View paper - Efficient Power Conversion

[PDF]
[PDF]

BUL38D
BUL38D

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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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