High Voltage Solar Inverter DC-AC Kit
Texas InstrumentsThis application report describes the implementation of the inverter kit that is used as a DC-AC part of thehigh-voltage solar kit. The kit has a nominal input of 400 V DC and its output is 600W which can be fed tothe grid. The following information is discussed in this document:
- Basic knowledge of the inverter
- Introduction of the kit
- Hardware introduction
- Firmw
Inverting Applications Made SIMPLE With LM4600x and LM4360x (Rev. B)
Texas InstrumentsWeoftenrequirepowersourceswithnegativeoutputvoltages.Therearemanydifferentwaystoproduceanegativeoutputvoltagefromapositiveinputvoltage.Oneoptionisapolarity-invertingbuck-boostconverter.Theadvantagesofthistopologyarethatitrequireslowcomponentcountandthatitcanbebuiltwithstandardhigh-sideregulato
Automated Frequency Response Analyzer
Texas InstrumentsThis application report discusses a new method of doing stability Analysis testing by using basic labequipment while not requiring any specific instruments.
Using...Cache analysis Tool to Improve I-Cache Utilization on TMS320C55x Targets
Texas InstrumentsWith the complexities of digital signal processor (DSP) applications and the system memory they utilize it is often very difficult for the developer to understand where and when processormemory accesses are occurring. This is further complicated by the fact that many processors have incorporated cache into the on-chip memory. While there are many issues with system memory optimization the first
Modifying the PFM Operation of TPS61016 by Adding 1M Resistor at COMP Pin
Texas InstrumentsThis application report presents a way to modify the PFM mode of operation of the TPS61016 boost converter to meet low ripple voltage requirements at light load by changing the transconductance amplif
AN-211 New Op Amp Ideas (Rev. A)
Texas InstrumentsAn op amp and voltage reference capable of single supply operation down to 1.1V is introduced.Performance is uncompromised and compares favorably with standard state-of-the-art devices. In adeparture from conventional approaches the circuit can operate in a floating mode powered by residualvoltages independent of fixed supplies. A brief description of the IC design is given but emphasis
TMS320C6474 DDR2 Implementation Guidelines (Rev. A)
Texas InstrumentsThis document provides implementation instructions for the DDR2 interface contained on the C6474 DSP device.
Demystifying the Operational Transconductance Amplifier (Rev. A)
Texas InstrumentsOperational transconductance amplifiers (OTAs) are often among the least understood analog components. However these devices serve a very useful function that is being implemented on a regular basis in many integrated circuits as an element for more advanced purposes; the current feedback amplifier is among the most prominent example. The purpose of this application report is to show how this bui
How to Validate BLVDS SER/DES Signal Integrity Using an Eye Mask (Rev. A)
Texas InstrumentsThe following application report contains information that will help you validate signal quality on a BLVDS SER/DES link. How to capture an eye pattern how to generate an eye mask and how to validate signal quality are all explained in detail in this document.
Circuit Techniques for Avoiding Oscillations in Comparator Applications
Texas InstrumentsCircuit Techniques for Avoiding Oscillations in Comparator Applications
Firmware Description of the TI TRF796x Evaluation Module (EVM)
Texas InstrumentsTRF796x EVM Firmware Description of the TI TRF796x Evaluation Module (EVM)
Channel Tuning Made Easy Using Linear Repeaters for 10G and 12G Applications
Texas InstrumentsThis report demonstrates the benefits of using Texas Instruments Linear Redrivers to simplify the process of channel tuning and improve system margins. Test results of the DS125BR820 linear redriver operating in various pre-channel and post-channel conditions are presented and show improvements in channel conditions in terms of transmitter pre- and post-cursor error-free operat
Acoustic- Echo Cancellation Software for Hands-Free Wireless Systems
Texas InstrumentsThis note describes the DSP implementation of a full-duplex acoustic-echo cancellation (AEC) software. This software is based on the normalized least mean square (NLMS) algorithm. The algorithm includes active-channel and double-talk detection. This software was implemented on a TMS320C54x digital signal processor (DSP) in assembly language. It requires few resources in terms of million instru
Adaptive Filters With TMS320C25 or TMS320C30 ( Contains Scanned Text)
Texas InstrumentsAdaptive filtering techniques are necessary considerations when a specific signal output is desired but the coefficients of that filter cannot be determined at the outset. Sometimes this is because of changing line or transmission conditions. An adaptive filter is one which contains coefficients that are updated by an adaptive algorithm to optimize filter response to the desired performance crit
Low-Frequency RFID in a Nutshell
Texas InstrumentsThis application report describes the principles of Texas Instruments low-frequency RFID products how to choose the right components and shows best practices for a good PCB layout. This application report can be used as a guideline for designing a system with the TMS37157 PaLFI chip.
CC430-Based Wireless Mesh Network Mains Switch
Texas InstrumentsThis application report describes a simple wireless mesh network running on a number of wireless power points. Each power point contains a timer switch and a power monitor. The mesh network is self le
AN-953 LCD Triplex Drive with COP820CJ
Texas InstrumentsApplication Note 953 LCD Triplex Drive with COP820CJ
PFC THD Reduction and Efficiency Improvement by ZVS or Valley Switching
Texas InstrumentsWhen a PFC is in discontinuous conduction mode the inductor current will resonant between the boost inductor and MOSFET parasite capacitance. The resonant current can be big enough to distort the PFC current significantly. This application note introduces a digital control scheme based on UCD3XXX to predict the position at which the resonant current first time rises back from negative to zero a
