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Application Notes / Source Code 
These provide an excellent source for application information, programmer's guides, software overview, and other design assistance. Some application notes and other documentation refer to source code, which can be downloaded at this location. Providing quick access to code examples, the amount of time to develop firmware decreases significantly.

Application Notes / Source Code
SuppliersTechnologyTitleSource Code
Atmel802.15.4/ZigbeeApp Note Eval Software for Raven Radio  
Atmel802.15.4/ZigbeeAT86RF230 Programmer's Guide  
Atmel802.15.4/ZigbeeAT86RF230 Receiver sensitivity measurements  
Atmel802.15.4/ZigbeeAT86RF230 software programming model  
Atmel802.15.4/ZigbeeAT86RF231 - Software Programming Model  
Atmel802.15.4/ZigbeeAT86RF231 Antenna Diversity  
Atmel802.15.4/ZigbeeAT86RF231 PCB reference design for antenna diversity  
Atmel802.15.4/ZigbeeDesign and characterization of Radio Controlled Boards 2.4GHz PCB Antenna  
Atmel802.15.4/ZigbeeDesign Considerations for AT86RF230  
Atmel802.15.4/ZigbeeGerber File  
Atmel802.15.4/ZigbeeLC Balun for AT86RF230  
Atmel802.15.4/ZigbeeSource Code for Raven Radio Eval Software  
Atmel802.15.4/ZigbeeS-parameter file for LC Balun  
AtmelGPSGPS Chipset ANTARIS4  
AtmelISMATR2406 Loop Filter and Data Rates  
AtmelISMATR2406 Smart RF AFHSS Firmware  
AtmelISMATR2406 Smart RF Firmware  
AtmelISMAVR411: Secure Rolling Code Algorithm for Wireless Link  
AtmelISMBill of Material and Implementation of the ATA542x RF Transceiver  
AtmelISMConnecting ATR2406 SmartRF Transceiver to a Micrcocontroller  
AtmelISMHardware Description Flamingo™ RF Design Kit  
AtmelRFIDRFID Tag Tuning  
Cree, Inc.RF ComponentsEutectic Die Attach Procedure  
Cree, Inc.RF ComponentsGaN HEMT Biasing Circuit with Temperature Compensation  
Cree, Inc.RF ComponentsGuide for Soldering Packaged Transistors  
Cree, Inc.RF ComponentsMounting Approaches for RF Products Using the 780019 Package Type  
Cree, Inc.RF ComponentsSilicon Carbide (SiC) MESFET Reliablity  
Cree, Inc.RF ComponentsThermal Optimization of GaN HEMT Transistor Power Amplifiers Using New Self-heating Large-signal Model  
Cree, Inc.RF ComponentsThermal Performance Guide for High Power SiC MESFET and GaN HEMT Transistors  
Cree, Inc.RF ComponentsUsing the CGH40006S as an LNA (Low Noise Amplifier) from 225 MHz to 2000 MHz  
Microchip Technology802.11/WiFi/WiMaxMRF24WB0M Indoor and outdoor Antenna Range Testing  
Microchip Technology802.11/WiFi/WiMaxThe Effect of Adding Radios on 802.11g Network Throughput  
Microchip TechnologyISMCrystal Oscillator Basics and Crystal Selection for rfPIC™ and PICmicro® Devices  
Microchip TechnologyISMDesigning an FCC Approved ASK rfPIC™ Transmitter  
Microchip TechnologyISMDesigning Loop Antennas for the rfPIC12F675  
Microchip TechnologyISMInterfacing the MRF49XA Transceiver to PIC Microcontrollers  
Microchip TechnologyISMMatching Small Loop Antennas to rfPIC(TM) Devices  
Microchip TechnologyISMMiWi P2P Wireless Protocol  
Microchip TechnologyISMMiWi PRO Wireless Networking Protocol  
Microchip TechnologyISMMiWi Wireless Networking Protocol Stack  
Microchip TechnologyISMMRF49XA Radio Utility ProgramSource Code
Microchip TechnologyISMMRF89XA Radio Utility Driver ProgramSource Code
Microchip TechnologyISMrfPIC12F675 Transmitter Module  
Microchip TechnologyISMrfRXD0420 ASK Receiver Reference Design  
Microchip TechnologyISMrfRXD0420 Receiver Module  
Microchip TechnologyISMTire Pressure Monitoring (TPM) System  
Microchip TechnologyISMWireless (MiWi) Application Programming Interface - MiApp  
Microchip TechnologyISMWireless (MiWi) Media Access Controller - MiMAC  
Microchip TechnologyISMWireless Development Studio  
Taiyo YudenRFIDCRX14 Coupler Antenna matching circuit calculation  
Texas InstrumentsISMCC2500 and CC2510 Sensitivity versus Frequency Offset and Crystal Accura  
Texas InstrumentsISMFrequency Hopping Systems  
Texas InstrumentsISMImplementation of Microstrip Balun for CC2420 and CC243x and CC2480  
Texas InstrumentsISMMain Radio Control State Transition Times  
Texas InstrumentsISMPower Modes in CC111xFx, CC243xFx, and CC251xFx  
Texas InstrumentsISMRange Measurements in an Open Field Environment  
Texas InstrumentsISMUsing I2S in CC111xFx and CC251xFx  
Texas InstrumentsRF ComponentsUnderstanding and Enhancing Sensitivity in Receivers for Wireless Applications  
Texas InstrumentsWiMaxSynchronizing WiMAX Synthesizer TRF1x21/TRF1x12 to Arbitrary Reference