Filters for Data Transmission
Texas InstrumentsThe process of filtering an analog signal removes all frequencies above or below a corner frequency passing only a band of frequencies or rejecting a band of frequencies. When digital signals are filtered however a totally different set of constraints applies. This application note gives the designer a set of tools for implementing a filter that is the best compromise of interference rejecti
Interfacing the DAC8534EVM to TMS320C5x Processors
Texas InstrumentsThe DAC8534 is a quad-channel, low-power, 16-bit, serial digital-to-analog converter. This application report describes a method for interfacing the DAC8534 to the TMS320C5x-series DSKs using McBSP1 a
Get low-noise, low-ripple, high-PSRR power with the TPS717xx
Texas InstrumentsWhile highly efficient switching power supplies are commonly used for long battery life in portable end equipment such as mobile phones and PDAs, the internal circuitry of some of these devices is sensitive to noise and therefore does not operate properly when powered from a switching power supply with output ripple. Audio circuitry, PLLs, RF transceivers, and DACs are just a few examples of such circuits. Linear regulators are ideal for powering these circuits.
TMS320C55x Self-check Program: Version 1.0
Texas InstrumentsThe TMS320C55x?(C55x?) self-check program verifies the operation of DSP devices in the C55x generation by checking for proper operation of the CPU core and internal RAM. On-chip peripherals are not tested since doing so would be target system dependent. It is important to note that this program only provides a confidence check. It is not as comprehensive as the tests done at production which thor
LB-11 The LM110 - An Improved IC Voltage Follower
Texas InstrumentsThere are quite a few applications where op amps are used as voltage followers. These include sample and hold circuits and active filters as well as general purpose buffers for transducers or other high-impedance signal sources. The general usefullness of such an amplifier is particularly enhanced if it is both fast and has a low input bias current. High speed permits including the buffer in the signal path or within a feedback loop without significantly affecting response or stability. Low input current prevents loading of high impedance sources, which is the reason for using a buffer in the first place.
AN-1237 RSDS™ Flat Panel Display Design Guidelines Part 2 (Rev. A)
Texas InstrumentsAN-1237 RSDS™ Flat Panel Display Design Guidelines Part 2
General-Purpose Tone Decoding and DTMF Detection ( Contains Scanned Text)
Texas InstrumentsThis report describes a single-chip solution for concurrent DTMF and general-tone decoding or expanded general-tone decoding only. These facilities are provided on a special program on the TMS320C17 or TMS320E17. The term TMS320C17 applies to both throughout the report.The report covers the following topics:- Theory of Operation - Software - TMS320C17 Features - Hardware
Power Loss Calculation With CSI Consideration for Synchronous Buck Converters (Rev. A)
Texas InstrumentsThe synchronous buck converter is a widely used topology in low-voltage, high-current applications. Low-power loss and highly efficient synchronous buck converters are in great demand for advanced mic
New Phase-Locked-Loops Have Advangs as Freq to Voltage Cnvrtrs (Rev. B)
Texas InstrumentsThis application report discusses new phase-locked-loops that have advantages as frequency to voltage converters.
AN-1700 LMX9838 Cable Replacement (Rev. A)
Texas InstrumentsThis application report describes the main features and configurations required to implement the LMX9838as a cable replacement into a system.
Controlling Sine Wave Generator With Serial Port Using TMS320F240 EVM
Texas InstrumentsThis application report explains how the EVM Application #9 creates a 2 channel sine wave generator using the 12 bit digital-to-analog converter (DAC) of the Texas Instruments (TI)(tm) TMS320F240 Evaluation Module (EVM). The document contains:- An overview that includes information on the commands that control the sine waves- Information on each of the three modules used- Details on how to
Smart Codec Features in TMS320DM365
Texas InstrumentsYou will significantly enhance video encoder quality by incorporating external input/feedback from the system. Additionally the robustness of the video codec will also be vastly improved. The video codec can utilize such information to react quickly and adapt to changing dynamics of the input video signal. This greatly enhances the end-user experience as the video encoder can prioritize the more
Signal Processing Examples With C64x Digital Signal Processing Library (DSPLIB) (Rev. A)
Texas InstrumentsThe TMS320C64x™ digital signal processing library (DSPLIB) provides a set of C-callable assembly-optimized functions commonly used in signal processing applications e.g. filtering and transform. The DSPLIB includes several functions for each processing category based on the input parameter conditions to provide parameter-specific optimal performance. Therefore it is important to unders
Design Considerations for SMPTE 3 Gbps SDI Interfaces
Texas InstrumentsDesign Considerations for SMPTE 3 Gbps SDI Interfaces
Implementing a Bidirectional, Half-Duplex FSK RF-Link With TRF6900 and MSP430
Texas InstrumentsThe advantage of radio frequency (RF) over infrared (IR) links for communication and data transfer is that with RF a successful communication can be set up even when the participants are out of sight.
TIA/EIA-485 and M-LVDS, Power and Speed Comparison
Texas InstrumentsThis document includes 3.3 V RS-485 and 3.3 V M-LVDS test data to demonstrate that M-LVDS provides low power multipoint operation and faster signaling rates (speeds) than RS-485.
TMS320C67xx Divide and Square Root Floating-Point Functions
Texas InstrumentsThe purpose of these Floating Point (FP) functions is to provide the Texas Instruments (TI)(tm) TMS320C67xx Digital Signal Processor (DSP) with fast divide and square root assembly language subroutines that are C callable. The functions include both single-precision (SP) 32-bit and double-precision (DP) 64-bit formats. Subjects covered include:- Descriptions- Run-time library functions- Pr
Comparing Performance of Current Ramp and Voltage Ramp Hot Swap Controller ICs
Texas InstrumentsThis application note addresses the current ramp and voltage ramp characteristics of hot-swap controller ICs. It discusses practical aspects of applying current ramp or voltage ramp and presents a comparison of performance.
