Using the rate-locked-loop (RLL) mode
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2001-08-28 |
| This application note discusses how to use the GC3011 digital filter chip in its RLL mode where the resampling ratio is automatically determined from the supplied I/O data clocks |
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| Multi-channel 120MSPS digital tuner architecture
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2001-08-28 |
| This application note describes how a 120MHz sample rate multi-channel digital down-conversion system can be implemented using the GC2011 digital filter and GC4014 quad digital receiver ICs |
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| Calculation of matching networks for SAW filters
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2000-12-04 |
| This application note demonstrates the use of impedance values both of filter and chipsets in the calculation of matching networks possible |
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| Using MMICAD to design lumped element filters
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2001-05-31 |
| This application note shows how easy it is for users of MMICAD to synthesize a broad range of filter designs |
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| Building digital PSK and QAM demodulators using the GC2011 and GC3011 chips
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2001-08-28 |
| This application note describes how to use the GC2011 digital filter, the GC3011 digital resampler and the GC3021 carrier removal chips to build high-performance digital demodulators for most BPSK, QPSK and QAM radio signals |
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| Creating adaptive FIR filters using QuickDSP
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2001-08-28 |
| This application note discusses the advantages of implementing an adaptive FIR filter by using QuickLogic's QuickDSP devices |
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| Téléphone à carte SPM detector
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2002-11-12 |
| This article describes how two FX631 low-voltage (Subscriber Pulse Metering) SPM detector microcircuits can be used, with additional external filter components, to detect both the 12kHz SPM and the 18kHz security tones employed in the French payphone/cardphone system |
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| Low-cost, dual SCART solution for STBs also has optional Kanal+ support
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2009-09-16 |
| This application note describes how the MAX9655 video filter amplifier can be used to realise a low-cost, dual SCART switch solution. The note also explains how Kanal+ can be supported by adding an analogue multiplexer |
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| Using MMICAD to design lumped element diplexers
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2001-05-31 |
| This application note shows how FAISYN, MMICAD's filter synthesis module, can be used to help design a lumped element diplexer for a typical receive subsystem application |
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| Using the ispPAC81 to Suppress Out-of-Band Sensor Resonance
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2002-10-12 |
| This application note describes both how the ispPAC81 should be used to filter out transducer resonance from vibration sensors |
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| Interface conditioning for SD card, MMC
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2010-11-30 |
| Know the various ESD protection and EMI filter devices optimized for SD-memory card and MMC interfaces |
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| The TMS320C2xx sum-of-products methodology
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2001-05-01 |
| This application note shows a series of programs transforming a normal sum-of-products routine to one using the MACD instruction. It uses TI's TMS320C2xx DSP series to program a fourth- or higher-order filter |
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| Active inrush current limiting using MOSFETs
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2000-12-13 |
| nput filter design has been an integral part of power supply designs |
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| Designing power isolation filters with ferrite beads for Altera FPGAs
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2009-12-29 |
| This application note provides guidelines for designing ferrite bead filter networks to isolate shared power rails of Stratix IV FPGAs |
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| High-current dc motor drive uses low on-resistance surface mount MOSFETs
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2000-12-05 |
| This application note presents a 5A DC motor drive using all surface-mount components required with the exception of the filter capacitor |
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| Performance analysis of line echo cancellation implementation using TMS320C6201
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2001-05-10 |
| This application note summarizes the results of a performance analysis on the LMS (least mean square) filter-based line echo canceller (LEC) implementation using the TMS320C6201 DSP |
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| Telephone a carte SPM Detector
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2003-08-22 |
| This application note discuss how two FX631 Low-Voltage (Subscriber Pulse Metering) SPM Detector microcircuits can be used, with additional external filter components, to detect the security tones used in the French payphone/cardphone system |
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| TS5070/5071 Combo II programming and hybrid balancing with solid-state SLICs
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2001-10-01 |
| This application note discusses the programming and balancing design needed when using the TS5070/71 COMBO II programmable codec/filter devices to simplify subscriber line card systems in a CO or PABX |
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| Cookbook for analogue video filtering in camera systems
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2009-07-29 |
| This article explains different filter amplifier configurations for several popular DACs in the video camera market |
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| PowerPC processor with floating point unit for Virtex-4 FX devices
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2007-04-27 |
| Software applications can be accelerated by three to twenty times by connecting a floating point unit (FPU) to the PowerPC auxiliary processor unit (APU) interface. This application note provides a complete reference design for implementing a Virtex-4 FX PowerPC 405 system with the Xilinx FPU coprocessor. Created using the Xilinx Embedded Development Kit (EDK), the design also include a source code for a finite impulse response (FIR) filter along with a graphics utility for display output on a Windows-based PC |
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| Using digital potentiometers to design low-pass adjustable filters
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2004-05-25 |
| This app note presents a programmable, second-order, low-pass filter in four different scenarios |
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| Understanding the effects of clock tolerances on 50/60Hz noise rejection in high-performance Sigma Delta ADCs
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2005-06-06 |
| This app note article explores the effect of clock tolerance on the performance of the lowpass decimation and digital filter inherent in sigma-delta ADCs, and especially the filter notch frequencies |
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| Low-cost circuit converts clock to low-distortion sinewave
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2011-01-27 |
| Here's a simple, low-cost circuit that uses the existing clock in a digital system to generate low-distortion audio signals. |
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| An introduction to transient voltage suppression devices
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2007-12-04 |
| Recent advancements in IC manufacturing technology provide the TVS diode with several technical and cost advantages compared to traditional EMI devices. |
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| Test conditions for EMIF devices
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2009-07-17 |
| With the development of wireless telecommunications, consumer products and cell phones are subjected to RF interference and may generate EMI. |
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| Step-down DC/DC converter input ripple and noise
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2008-07-15 |
| Identify the proper methods for measuring input and output noise of a high frequency DC/DC converter. |
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| Using Xtensa processors optimised for OFDM
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2008-09-22 |
| This document describes the power of a configurable processor in handling signal processing demands. |
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| Design of differential filters for high-speed signal chains
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2010-03-15 |
| This application report explores simple conversion techniques for low-pass, high-pass and band-pass LC filters. |
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| FMS6406 evaluation board application note
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2009-10-08 |
| The FMS6406 evaluation board provides a flexible base for evaluating the performance of the FMS6406. |
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| TSH103 triple video buffer eval board user guide
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2009-06-12 |
| Read about the TSH103 evaluation board, designed to help you evaluate the TSH103 triple video buffer. |
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Strange modes of transport and other "stuff"
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