Application-Note
Smart Cable Aids Quality Control and Authentication
By wordpainter Nov 7th, 2009
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Cable authentication problem are very common. Embedding a DS2431 (1-Wire) chip in the near end of a cable allows a system processor to identify a cable (manufacturing date, revision, configuration, calibration data, etc.) and to authenticate it (to prevent the use of inferior counterfeits). |
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Video Doorbell
By wordpainter Nov 1st, 2009
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A video doorbell is a security system that transfers audio and video from an outside entry to an inside monitor. A video doorbell system provides added security by transferring outside video and audio to an indoor display or speaker. |
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Optimal Performance of MAX2009/MAX2010 RF Predistorters by tuning
By wordpainter Oct 17th, 2009
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WCDMA and other liner modulation schemes allow higher data rates and multiple wireless connections per carrier, but cause a high peak-to-average ratio of the carrier signals. |
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Precision Amplifiers control by minimizing Voltage Offsets
By wordpainter Oct 13th, 2009
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The MAX5421 includes 15kΩ resistors and operates with a supply voltage of +5V or -5V. A similar part, the MAX5431, includes 57kΩ resistors and operates with a supply voltage of +15V or -15V. |
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Single-Shunt Three-Phase Current Reconstruction Algorithm for Sensorless FOC of a PMSM
By wordpainter Oct 12th, 2009
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A large number of motor control applications are consistently and continuously looking for methods to improve efficiency while reducing system cost. |
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How to interface the MRF49XA Transceiver to PIC Microcontrollers
By wordpainter Oct 12th, 2009
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MRF49XA by Microchip is a highly integrated RF transceiver that can be used in the 433, 868 and 915 MHz frequency bands. FSK modulation is internally used by this module. |
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How to implement DDR2/mDDR PCB Layout on the TMS320DM35x DMSoC
By Ionela Oct 7th, 2009
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This article contains implementation instructions for the DDR2/mDDR interface contained on the TMS320DM35x Digital Media System-on-Chip (DMSoC) device. The approach to specifying interface timing for the DDR2/mDDR interface is quite different than on previous devices. |
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How to Minimize Voltage Offsets in Precision Amplifiers
By Ionela Oct 2nd, 2009
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In this article, we'll analyze the source of this offset, and then we'll propose a solution based on integrated resistor networks. |
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Why some inputs and outputs can be less nearly or slightly more than the power rails?
By Ionela Oct 2nd, 2009
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This article discusses rail-to-rail op amps, and explains why some inputs and outputs can be less than, nearly, or slightly more than the power rails. |
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Extra Notes for Kirin3 Labs
By allankliu Oct 1st, 2009
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Freescale offers many documents for its latest connectivity microcontroller Kirin3, MCF52259. I believe most of the people will start to evaluate the labs without reading the documents. I am one of these guys who hate reading documents. |
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