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RADVision H.323 protocol stack implemented in IP telephone chipset Texas Instruments has announced an agreement to provide RADVision's H.323 Protocol Stack Version 2.0 in TI's Internet Protocol (IP) Phone chipset. Equipment manufacturers using TI's solution as the platform |
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RF LDMOS family optimised for GSM frequencies Motorola offers a family of RF LDMOS devices optimised for GSM and EDGE base- station applications. Each device is optimised for the various frequency bands making them easier to design and highly tailored |
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IBM innovation to improve 'Internet experience' STMicroelectronics' ST72C254 is an 8 bit microcontroller with 8 KB embedded flash memory for home appliance, automotive body electronic and consumer goods applications. It can be reprogrammed up to 100 |
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Multiprotocol transceiver STMicroelectronics' ST72C254 is an 8 bit microcontroller with 8 KB embedded flash memory for home appliance, automotive body electronic and consumer goods applications. It can be reprogrammed up to 100 |
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New wireless communication modules released for GSM/AMPS/TDMA At CeBIT in Hannover, Ericsson presented four new wireless communication modules, the GM25, GM22, DM10 and DM20. These modules function very much like a mobile phone, but without the microphone, earpiece, |
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The general packet radio service (GPRS) a flexible high-speed data technology The GPRS standard defines a mechanism by which a mobile station can request the amount of bandwidth it desires at the time it establishes a data session. |
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LNA diplexer folter assemblies for wireless base station |
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Digital versus analog: evolution or revolution Thermionic valves were very rapidly made obsolete by transistors because transistors offered price/performance advantages even when they were at the beginning of their evolution and valves were at the |
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Wideband programmable modulator for digital modulation Designers of wideband digital modulation systems looking for higher levels of integration can now incorporate a single signal processing solution into their design for the shaping, upconversion and modulation |
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Bluetooth - a global specification for wireless technology In 1998 a group was formed by representatives from Ericsson, IBM, Intel, Nokia, Toshiba, 3com, Lucent, Microsoft and Motorola. The intent was to create an open specification (ie a global industry standard) |
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Small size SMT directional couplers Sprague-Goodman Electronics has introduced a new series of surface mount directional couplers to be used for RF circuitry, mobile radio and satellite TV technologies.
The new series, designated GLSN, |
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Modular filter design increases production efficiency A growing number of customers buying filters and filter subsystems for mobile communications systems are demanding extremely short supply times, regardless of whether existing or entirely new applications |
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