Circuit providing harmonic response rejection for a frequency mixer

Circuit providing harmonic response rejection for a frequency mixer

An apparatus for reducing a harmonic response in an electronic circuit is provided. The apparatus includes an RF input configured to provide a first signal operating at a radio frequency. The apparatus includes a local oscillator configured to produce a second signal operating at a local oscillator...

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Hauptverfasser: GARCIA JORGE ANDRES, LAU WING FAT ANDY, YOUSSEF AHMED ABDEL MONEM, YANG DAVID ZIXIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator GARCIA JORGE ANDRES
LAU WING FAT ANDY
YOUSSEF AHMED ABDEL MONEM
YANG DAVID ZIXIANG
description An apparatus for reducing a harmonic response in an electronic circuit is provided. The apparatus includes an RF input configured to provide a first signal operating at a radio frequency. The apparatus includes a local oscillator configured to produce a second signal operating at a local oscillator (LO) frequency. The apparatus includes a switching mixer configured to mix the first and second signals. The apparatus includes a notch filter comprising an inductor and a capacitor connected in parallel. The notch filter is directly coupled to an input of the switching mixer in series. The notch filter is tuned such that its resonant frequency is a harmonic of the LO frequency signal. In an aspect, the apparatus also includes a transformer configured to provide the first signal. In an aspect the apparatus also includes a second notch filter comprising a second inductor and a second capacitor connected in parallel. 提供了一种用于减小电子电路中的谐波响应的装置。该装置包括RF输入，其被配置为提供在射频处操作的第一信号。该装置包括本地振荡器，其被配置为产生在本地振荡器(LO)频率处操作的第二信号。该装置包括开关混频器
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The apparatus includes an RF input configured to provide a first signal operating at a radio frequency. The apparatus includes a local oscillator configured to produce a second signal operating at a local oscillator (LO) frequency. The apparatus includes a switching mixer configured to mix the first and second signals. The apparatus includes a notch filter comprising an inductor and a capacitor connected in parallel. The notch filter is directly coupled to an input of the switching mixer in series. The notch filter is tuned such that its resonant frequency is a harmonic of the LO frequency signal. In an aspect, the apparatus also includes a transformer configured to provide the first signal. In an aspect the apparatus also includes a second notch filter comprising a second inductor and a second capacitor connected in parallel. 提供了一种用于减小电子电路中的谐波响应的装置。该装置包括RF输入，其被配置为提供在射频处操作的第一信号。该装置包括本地振荡器，其被配置为产生在本地振荡器(LO)频率处操作的第二信号。该装置包括开关混频器</description><language>chi ; eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION</subject><creationdate>2021</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=20210702&amp;DB=EPODOC&amp;CC=CN&amp;NR=113067551A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20210702&amp;DB=EPODOC&amp;CC=CN&amp;NR=113067551A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GARCIA JORGE ANDRES</creatorcontrib><creatorcontrib>LAU WING FAT ANDY</creatorcontrib><creatorcontrib>YOUSSEF AHMED ABDEL MONEM</creatorcontrib><creatorcontrib>YANG DAVID ZIXIANG</creatorcontrib><title>Circuit providing harmonic response rejection for a frequency mixer</title><description>An apparatus for reducing a harmonic response in an electronic circuit is provided. 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subjects BASIC ELECTRONIC CIRCUITRY
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title Circuit providing harmonic response rejection for a frequency mixer
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