What is a filter?
A device that selectively transmits electricity or light. The selection for transmission is often on the basis of frequency or phase. Electrical filters are often one of the following types.
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| 2012-04-02 | Transceiver IC provides multi-band LTE support Fujitsu's MB86L13A LTE (FDD and TDD) optimised transceiver eliminates the need for external low noise amplifiers (LNAs) and inter-stage SAW filters. |
| 2011-12-30 | Microwave filters can be surface mounted Microwave filters can be surface mounted |
| 2011-12-19 | A tutorial on digital signalling (Part 3) This instalment provides a comprehensive discussion on matched filters. |
| 2011-12-02 | Managing different clock frequencies of audio codecs Find out how digital filters in audio codecs can be interfaced to a range of sample-rates and clock environments. |
| 2011-10-20 | Small-cell chip market to grow at 50% CAGR According to firm, small-cell chip market which includes multi-core processors, transceivers, amplifiers, filters, and TCXOs will grow at 50 per cent CAGR. |
| 2011-07-28 | Precise frequency detector modification and special tone generation Know the procedure for modifying the detect frequencies of the precise call progress filters of the 73M2901CE. |
| 2011-07-25 | Minimise the chances of human error (Part 2) Learn about some basic reminders and concepts about amplifiers and filters for you to consider during a design. |
| 2011-05-30 | TRF372017 noise analysis: Modulator noise estimation from output noise Know the experimental set-up and measurements carried out with the TRF372017 evaluation module to determine the output noise at the RF port of an integrated IQ modulator device. |
| 2011-05-18 | Using 73M2901CE DTMF detector Read about the different methods of detecting DTMF with 73M2901CE. |
| 2011-04-12 | Signal filtering chip filters boast smaller package Signal filtering chip filters boast smaller package |
| 2011-02-24 | Genesys S/Filter software directly synthesizes filters with arbitrary transmission zero placement Genesys S/Filter software directly synthesizes filters with arbitrary transmission zero placement |
| 2011-01-31 | Analog active audio filters Analog active audio filters |
| 2011-01-17 | Guide to using FilterPro The FilterPro program is designed to aid in the design of active filters implemented with the multiple feedback and Sallen-Key topology. |
| 2010-11-01 | 2-stage EMI filters designed for 1-phase systems 2-stage EMI filters designed for 1-phase systems |
| 2010-10-29 | EMC filters designed for DIN rails EMC filters designed for DIN rails |
| 2010-10-12 | Thinnest LCD EMI filters boost filtering efficiency Thinnest LCD EMI filters boost filtering efficiency |
| 2010-09-08 | WiSpry, NTT Docomo partner on tunable filters WiSpry, NTT Docomo partner on tunable filters |
| 2010-08-25 | Cone-shaped XS filters tailored for placement nozzles Cone-shaped XS filters tailored for placement nozzles |
| 2010-07-08 | Making intelligent sensors work with DSPs (Part 2) Intelligent sensor design is valuable to both end users and those who manufacture and sell them. This article discusses filters. |
| 2010-06-28 | Fairchild video filters support SD, 1080i HD Fairchild video filters support SD, 1080i HD |
| 2010-06-23 | PLL synthesiser drives VCOs to cut out active loop filters PLL synthesiser drives VCOs to cut out active loop filters |
| 2010-04-20 | A/V clock generator eliminates PLL tweaking National Semiconductor debuts a triple-rate audio/video clock generator, the LMH1983 that replaces three external PLLs, voltage-controlled crystal oscillators and loop filters to simplify design and reduces BOM cost. |
| 2010-04-07 | Integrated GPS front-ends cuts need for external parts Avago Technologies debuts the ALM-2712 front-end module that packs LNA, pre- and post high-rejection FBAR filters and other RF matching components that cuts the need for external RF matching components. |
| 2010-03-15 | Design of differential filters for high-speed signal chains Design of differential filters for high-speed signal chains |
| 2010-02-03 | HSPA+ RF transceiver boasts 28.8Mbps downlink rate Infineon Technologies AG is offering the SMARTi UE2 multi-band HSPA+/Edge/GPRS RF transceiver that integrates all LNAs and interstage filters. |
| 2010-01-22 | Single-chip transceiver delivers autodirection output Maxim Integrated Products has developed a single-chip fully-integrated AISG-compliant transceiver MAX9947 that packs a transmitter, receiver, and active filters into a 3mm x 3mm TQFN package. |
| 2010-01-18 | Hybrid silicon tuner cuts need for SAW filtes, LNAs The r88DE8500 is a high-performance, low-power CMOS silicon tuner that delivers a robust performance without using external components like SAW filters, LNAs and other tracking filters. |
| 2009-12-29 | Designing power isolation filters with ferrite beads for Altera FPGAs Designing power isolation filters with ferrite beads for Altera FPGAs |
| 2009-12-14 | Highly-integrated tuner fits DTVs worldwide Combining an RF tuner, analogue TV demodulator, IF filters and amplifiers, the IC comes in a 6mm x 6mm chip. |
| 2009-12-09 | Simplifying system design using the CS4350 PLL DAC Typical DACs require a high-speed Master Clock to clock their digital filters and modulators, as well as some portions of their discrete time analogue circuitry. |
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