MATCHING NETWORK FOR TRANSMISSION CIRCUITRY

MATCHING NETWORK FOR TRANSMISSION CIRCUITRY

The present disclosure relates to transmission circuitry of a wireless communication device. The transmission circuitry includes power amplifier circuitry, an output matching network, and impedance control circuitry. The power amplifier circuitry amplifies a radio frequency (RF) input signal to prov...

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Hauptverfasser: HARRIS, Christopher, PENGELLY, Raymond Sydney
Format: Patent
Sprache:eng ; fre ; ger
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
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creator HARRIS, Christopher
PENGELLY, Raymond Sydney
description The present disclosure relates to transmission circuitry of a wireless communication device. The transmission circuitry includes power amplifier circuitry, an output matching network, and impedance control circuitry. The power amplifier circuitry amplifies a radio frequency (RF) input signal to provide an amplified RF output signal, which is passed through the output matching network and transmitted via one or more antennas. As the center frequency of the RF input signal and conditions of operating parameters change, the impedance control circuitry adjusts the values of one or more variable impedance elements of the output matching network in a desired fashion. The values of the variable impedance elements are adjusted such that the output matching network concurrently and dynamically presents the desired load impedances at the center frequency and at one or more harmonics of the RF input signal to achieve a given performance specification.
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The transmission circuitry includes power amplifier circuitry, an output matching network, and impedance control circuitry. The power amplifier circuitry amplifies a radio frequency (RF) input signal to provide an amplified RF output signal, which is passed through the output matching network and transmitted via one or more antennas. As the center frequency of the RF input signal and conditions of operating parameters change, the impedance control circuitry adjusts the values of one or more variable impedance elements of the output matching network in a desired fashion. The values of the variable impedance elements are adjusted such that the output matching network concurrently and dynamically presents the desired load impedances at the center frequency and at one or more harmonics of the RF input signal to achieve a given performance specification.</description><language>eng ; fre ; ger</language><subject>AMPLIFIERS ; BASIC ELECTRONIC CIRCUITRY ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS ; RESONATORS ; TRANSMISSION</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20181121&amp;DB=EPODOC&amp;CC=EP&amp;NR=2636151B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20181121&amp;DB=EPODOC&amp;CC=EP&amp;NR=2636151B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HARRIS, Christopher</creatorcontrib><creatorcontrib>PENGELLY, Raymond Sydney</creatorcontrib><title>MATCHING NETWORK FOR TRANSMISSION CIRCUITRY</title><description>The present disclosure relates to transmission circuitry of a wireless communication device. 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subjects AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION
title MATCHING NETWORK FOR TRANSMISSION CIRCUITRY
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