LOCAL OSCILLATION CIRCUIT AND RECEPTION CIRCUIT INCLUDING THE CIRCUIT
PROBLEM TO BE SOLVED: To provide a reception circuit where the number of components of the local oscillation circuit is reduced to attain a one-chip configuration, the current consumption is reduced and the input sensitivity is made independent of power supply voltage. SOLUTION: In a local oscillati...
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| creator | NIRAZUKA KIMITOSHI GOTO KUNIHIKO |
| description | PROBLEM TO BE SOLVED: To provide a reception circuit where the number of components of the local oscillation circuit is reduced to attain a one-chip configuration, the current consumption is reduced and the input sensitivity is made independent of power supply voltage. SOLUTION: In a local oscillation circuit 87a and the reception circuit including the local oscillation circuit 87a, the local oscillation circuit 87a is provided with a crystal oscillation circuit section 10 that generates an output voltage with a fixed frequency and also with an interface section 20 that uses a signal obtained by converting the output voltage 11 of the crystal oscillation circuit section 10 into a current for a local oscillation signal that is to be mixed with a reception signal from an antenna 81. |
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SOLUTION: In a local oscillation circuit 87a and the reception circuit including the local oscillation circuit 87a, the local oscillation circuit 87a is provided with a crystal oscillation circuit section 10 that generates an output voltage with a fixed frequency and also with an interface section 20 that uses a signal obtained by converting the output voltage 11 of the crystal oscillation circuit section 10 into a current for a local oscillation signal that is to be mixed with a reception signal from an antenna 81.</description><edition>7</edition><language>eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; GENERATION OF NOISE BY SUCH CIRCUITS ; GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER ; TRANSMISSION</subject><creationdate>2000</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&date=20000530&DB=EPODOC&CC=JP&NR=2000151450A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000530&DB=EPODOC&CC=JP&NR=2000151450A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NIRAZUKA KIMITOSHI</creatorcontrib><creatorcontrib>GOTO KUNIHIKO</creatorcontrib><title>LOCAL OSCILLATION CIRCUIT AND RECEPTION CIRCUIT INCLUDING THE CIRCUIT</title><description>PROBLEM TO BE SOLVED: To provide a reception circuit where the number of components of the local oscillation circuit is reduced to attain a one-chip configuration, the current consumption is reduced and the input sensitivity is made independent of power supply voltage. SOLUTION: In a local oscillation circuit 87a and the reception circuit including the local oscillation circuit 87a, the local oscillation circuit 87a is provided with a crystal oscillation circuit section 10 that generates an output voltage with a fixed frequency and also with an interface section 20 that uses a signal obtained by converting the output voltage 11 of the crystal oscillation circuit section 10 into a current for a local oscillation signal that is to be mixed with a reception signal from an antenna 81.</description><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>GENERATION OF NOISE BY SUCH CIRCUITS</subject><subject>GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD18Xd29FHwD3b29PFxDPH091Nw9gxyDvUMUXD0c1EIcnV2DUAR9fRz9gl18fRzVwjxcIWJ8jCwpiXmFKfyQmluBiU31xBnD93Ugvz41OKCxOTUvNSSeK8AIwMDA0NTQxNTA0djohQBANlvLGM</recordid><startdate>20000530</startdate><enddate>20000530</enddate><creator>NIRAZUKA KIMITOSHI</creator><creator>GOTO KUNIHIKO</creator><scope>EVB</scope></search><sort><creationdate>20000530</creationdate><title>LOCAL OSCILLATION CIRCUIT AND RECEPTION CIRCUIT INCLUDING THE CIRCUIT</title><author>NIRAZUKA KIMITOSHI ; GOTO KUNIHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2000151450A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>GENERATION OF NOISE BY SUCH CIRCUITS</topic><topic>GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>NIRAZUKA KIMITOSHI</creatorcontrib><creatorcontrib>GOTO KUNIHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NIRAZUKA KIMITOSHI</au><au>GOTO KUNIHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LOCAL OSCILLATION CIRCUIT AND RECEPTION CIRCUIT INCLUDING THE CIRCUIT</title><date>2000-05-30</date><risdate>2000</risdate><abstract>PROBLEM TO BE SOLVED: To provide a reception circuit where the number of components of the local oscillation circuit is reduced to attain a one-chip configuration, the current consumption is reduced and the input sensitivity is made independent of power supply voltage. 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| language | eng |
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| subjects | BASIC ELECTRONIC CIRCUITRY DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION OF NOISE BY SUCH CIRCUITS GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER TRANSMISSION |
| title | LOCAL OSCILLATION CIRCUIT AND RECEPTION CIRCUIT INCLUDING THE CIRCUIT |
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