Correcting Imperfections in IQ Modulators to Improve RF Signal Fidelity

INTRODUCTION The in-phase and quadrature modulator (IQ modulator) is a key component in modern wireless transmitters. It provides a convenient method for modulating data bits or symbols onto an RF carrier. IQ upconversion has become the architecture of choice for implementing transmitter signal c

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PFC Converter Design with IR1150 One Cycle Control IC

PFC Converter Design with IR1150 One Cycle Control IC This Application Note describes the design methodology of a Continuous Conduction Mode Power Factor Correction circuit utilizing a boost converter and featuring the IR1150S PFC IC. The IR1150 is based on International Rectifier’s proprietary “

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IRF

Controller Dynamics and Tuning

Introduction This application note describes how to tune the embedded control loops on the IRMCF3xx series of control IC’s. This covers the IRMCF312, IRMCF311 and IRMCF343 digital control IC’s for airconditioning systems and the IRMCF341 IC for washing machine applications. The control loops incl

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IRF

IRS2011 and IR2011 Comparison

Introduction The IRS2011 is a new HVIC product that replaces the IR2011 and is pin-to-pin compatible with its predecessor. This application note describes the various differences between the IRS2011 and the IR2011 HVICs. The IRS2011 is a high power, high speed power MOSFET driver with independen

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IRF

LVDS and M-LVDS Circuit Implementation Guide

INTRODUCTION Low voltage differential signaling (LVDS) is a standard for communicating at high speed in point-to-point applications. Multipoint LVDS (M-LVDS) is a similar standard for multipoint applications. Both LVDS and M-LVDS use differential signaling, a two-wire communication method where r

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A NEW GENERATION OF TAG SRAMS-THE IDT71215 AND

INTRODUCTION The 71215 and 71216 represent a new generation of integrated Tag SRAMs. Just as earlier Tag SRAMs such as the 71B74 were better suited for tag applications than conventional SRAMs, the 71215/16 go a step further by integrating new features to significantly ease the design of high per

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IDT

AN-1713 LM5116-12 Evaluation Board

Introduction The LM5116-12 evaluation board is designed to provide the design engineer with a fully functional power converter based on Emulated Current Mode Control to evaluate the LM5116 controller IC. The evaluation board provides a 12V output with a 5A current capability. The operating inpu

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德州仪器

AN-1713 LM5116-12 Evaluation Board

Introduction The LM5116-12 evaluation board is designed to provide the design engineer with a fully functional power converter based on Emulated Current Mode Control to evaluate the LM5116 controller IC. The evaluation board provides a 12V output with a 5A current capability. The operating inpu

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Application Note

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IRF

Backing Up Epson Toyocom Real-Time Clock Chips

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