IP Phones - Application Notes


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Application Notes

App Note 5296: An Easy-to-Understand Explanation of Calibration in Touch-Screen Systems
App Note 4811: MAXQ® Family User's Guide
App Note 5133: Power-Supply Solutions for Altera FPGAs
App Note 5132: Power-Supply Solutions for Xilinx FPGAs
App Note 5122: Touch-Screen Technologies Enable Greater Interaction Between User and Device
App Note 5093: TacTouch™ Product Brief
App Note 5044: Low-EMI, Active-Clamped Forward, Class 4 Powered Device (PD) Provides High-Efficiency Solution for PoE Applications
App Note 5043: Active-Clamped Forward, Dual-Output PD Provides High-Performance Solution for PoE Applications
App Note 5040: Voltage Monitoring in Complex Systems
App Note 4992: Reduce the Chances of Human Error: Part 1, Power and Ground
App Note 4984: High-Efficiency, Low Cost Flyback Converter Uses No Optocoupler Feedback
App Note 4983: Wide Input Flyback Converter Features 5V at 2.6A Output
App Note 4940: High-Performance Class 2 Powered Device (PD) is Customizable for Class 3 Designs
App Note 4850: Microcontroller Controls Current-Loop AFE Protection
App Note 4839: Supervise and Power-Sequence a SoC
App Note 4820: MAXQ® Family User's Guide: MAXQ2010 Supplement
App Note 4809: Designing Next-Generation Payment Terminals That Meet PCI PTS 3.x Requirements
App Note 4716: How to Build a Simple, Interactive Digital Voltmeter
App Note 4701: Introduction to Programmable Logic Controllers (PLCs) and the Operational Function of Main System Modules
App Note 4698: Introduction to Dialysis Machines
App Note 4694: Introduction to Digital Stethoscopes and Electrical Component Selection Criteria
App Note 4691: Introduction to Hearing Aids and Important Design Considerations
App Note 4690: Important Design Considerations for Digital Thermometers
App Note 4689: Blood Pressure Monitor Design Considerations
App Note 4688: Introduction to Spirometers and Important Design Considerations for Selecting Electrical Components
App Note 4686: Important Design Considerations for Heart-Rate and Fitness Monitors
App Note 4685: How Continuous Positive Airway Pressure (CPAP) Respiratory Ventilation Systems Function
App Note 4678: Advantages of Internet Protocol (IP) Cameras and H.264 Compression for Security and Surveillance Video
App Note 4677: Important Considerations for Infusion Pump and Portable Medical Designs
App Note 4675: Important Considerations for Insulin Pump and Portable Medical Designs
App Note 4671: Improve Sensor Performance and SNR in Pulse Oximeter Designs
App Note 4659: Blood Glucose Meters
App Note 4624: Nonvolatile STANDBY/ON Switch
App Note 4565: Ramp Generator Controls DC-DC Converters
App Note 4533: An LED Target-Practice Game Uses the MAXQ2000 and MAX7312
App Note 4511: Adjustable Hysteresis in Microprocessor-Reset ICs
App Note 4496: NiMH/NiCd Switchmode Battery Charger Has dV/dt Charge Termination
App Note 4472: How to Apply Additional PWM Intensity Control to LED Drivers
App Note 4444: Single-Pushbutton ON/OFF Power Control
App Note 4427: Demonstrating Green Technology with Apples, Oranges, Lemons, and Limes
App Note 4420: Automatically Initializing Data Segment Values in MAX-IDE
App Note 4418: I²C Interface Connects Compact Flash Card to Microcontroller
App Note 4413: Sequencing Circuit Provides Pseudo Voltage Tracker
App Note 4381: MR-16 LED Driver with a 5V Auxiliary Output to Power a Pulsating LED Cooler
App Note 4364: Ultra-Low Quiescent-Current Linear Regulator for Automotive Air Bags
App Note 4350: Reading Temperature Using the MAXQ2010 Evaluation Kit
App Note 4314: Getting Started with the MAXQ610 Evaluation Kit (EV Kit) and the IAR Embedded Workbench
App Note 4277: Getting Started with the MAXQ2000 USB Thumb Evaluation Kit
App Note 4271: Automotive Infotainment Goes Mainstream: High-Integration Solutions Enable Value-Added Features
App Note 4253: PWM Intensity Control for the MAX6964 LED Driver
App Note 4232: HFRD-34.0 4 x 4 DVI KVM Switch
App Note 4163: Telecom Hot-Swap Reference Design Is Immune to Overvoltage and Brownout Input Transients
App Note 4162: Reference Design for a Powered-Device (PD) Module Based on the MAX5941B PWM Controller
App Note 4161: PoE+ Circuit Delivers 13W to 70W for Powered Devices (PDs)
App Note 4152: Reference Design for the MAX5073 Dual Buck Converter Operating at a Switching Frequency of 2MHz
App Note 4125: Getting Started with the MAX1233/MAX1234 Touch-Screen Controllers
App Note 4091: Reference Design for Power-over-Ethernet (PoE) Midspan or Endpoint Insertion
App Note 4033: Programmable Fan Controllers
App Note 4021: MAX6956 Programming Guide
App Note 3960: Unlocking the Secrets of the MAXQ®
App Note 3928: Automotive Linear Regulators Minimize Quiescent Current
App Note 3918: User's Guide for the MAX6877 Power-Supply Tracker/Sequencer
App Note 3912: Low-Cost, Complete Power Solution for Powered Devices Includes a 12V Buck Converter
App Note 3893: High-Frequency Automotive Power Supplies
App Note 3864: The FET-OR Connection for Power Supplies
App Note 3814: Port Expanders for Flip-Cell Phones Save Cost and Space
App Note 3811: Simple Devices for Meeting Voltage Tracking Requirements
App Note 3770: Table Operations for the MAXQ Architecture
App Note 3741: Analog ICs for Low Voltage Systems
App Note 3668: High-Efficiency Current Drive for High-Brightness LEDs
App Note 3665: External Component Calculator for Setting up a Buck or Boost Converter with the MAX5072/MAX5073
App Note 3658: Serializing an HD44780 LCD Display
App Note 3567: Monitoring and Sequencing Supply Voltages in High-Reliability Systems
App Note 3560: High-Efficiency DC-DC Converter Fits LDO Footprint
App Note 3539: A 50 Watt Internal Bus Architecture (IBA) Power Supply
App Note 3507: IEEE 802.3af-Compliant Single-Port, Power-Sourcing-Equipment Application
App Note 3493: System-Management IC Meets Monitoring and Sequencing Requirements in Multivoltage Systems
App Note 3466: GPIO Expander Provides Charge Pump for Blue LEDs
App Note 3456: Programmable System-Management IC Monitors and Sequences Requirements in Complex, Multivoltage Systems
App Note 3430: A Triple-Output ±5% Regulated High Efficiency POE (Power over Ethernet) Supply
App Note 3363: New Ethernet Systems Distribute DC Power with Data
App Note 3315: Writing Parallel-Port 2-Wire Software in C
App Note 3291: Using DS4510/DS4520/DS4550 to Select Backup Flash Memory
App Note 3283: One Button Turns Microprocessor On and Off
App Note 3227: Power-On Reset and Related Supervisory Functions
App Note 2853: Supervisors in Multivoltage Systems
App Note 2852: Using a PC to Experiment with the MAX7300/MAX7301 Port Expanders
App Note 2400: A Compact 36-72V DC Input, 3.3V/10A Output Power Supply
App Note 2391: Dual Voltage Tracking Circuit for I/O, Microprocessor, and DSP Core Voltages
App Note 2199: Driving LEDs with Push-Pull Port Expander Outputs
App Note 2198: Driving LEDs with Open Drain Port Expander Outputs
App Note 2043: A Compact, Isolated Power Supply, 48V to 3.3V at 7A
App Note 1926: Watchdogs Improve System Reliability—How to Choose the Right Part
App Note 1879: Using Maxim SPI-compatible Display Drivers with other SPI Peripherals
App Note 1837: One-Shot Timing Improves Microprocessor Reset Circuit
App Note 1195: Maximize Battery Life and Minimize Replacements
App Note 1136: Switching Between Battery and External Power Sources
App Note 1133: Multiple Voltage Systems Need Supply-Voltage Sequencing
App Note 1062: Designing Compact Telecom Power Supplies
App Note 1043: Single Supply Sequencer Sequences Negative Voltages
App Note 967: How to Minimize Power Dissipation in Li+ Linear Chargers
App Note 1858: Tiny IC Debounces Pushbutton Switch
App Note 819: Isolated Power Supply Is Suitable For Telecom/Datacom Applications
App Note 720: Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages