LTCC (low temperature co-fired ceramic) miniaturized duplexer
An LTCC miniaturized duplexer comprises an LTCC base body layer 1. A duplexer circuit structure is formed on the LTCC base body layer. The duplexer circuit structure is composed of a low-pass filter circuit 2 and a high-pass filter circuit 3. The low-pass filter circuit comprises inductors L1, L2 co...
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| creator | Yonghong Liu Mengdao Xing Mengjiang Xing Xiaodong Yang Chengtao Yang Chuanxiang Dai |
| description | An LTCC miniaturized duplexer comprises an LTCC base body layer 1. A duplexer circuit structure is formed on the LTCC base body layer. The duplexer circuit structure is composed of a low-pass filter circuit 2 and a high-pass filter circuit 3. The low-pass filter circuit comprises inductors L1, L2 connected in series between a common input port P1 and a low-frequency output port P2. A capacitor C1 connected with a grounding port is connected between every two adjacent inductors L1, L2. The high-pass filter circuit 3 comprises capacitors C2, C3, C4 connected in series between the common input end P1 and a high-frequency output port P3. An inductor L3, L4 connected with the grounding port is connected between every two adjacent capacitors C2, C3, C4. The effects of suppressing a parasitic passband on the low-pass duplexer and optimizing out-of-band rejection of the high-pass duplexer are achieved by using the parasitic parameters of all components through reasonable three-dimensional layout. |
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A duplexer circuit structure is formed on the LTCC base body layer. The duplexer circuit structure is composed of a low-pass filter circuit 2 and a high-pass filter circuit 3. The low-pass filter circuit comprises inductors L1, L2 connected in series between a common input port P1 and a low-frequency output port P2. A capacitor C1 connected with a grounding port is connected between every two adjacent inductors L1, L2. The high-pass filter circuit 3 comprises capacitors C2, C3, C4 connected in series between the common input end P1 and a high-frequency output port P3. An inductor L3, L4 connected with the grounding port is connected between every two adjacent capacitors C2, C3, C4. The effects of suppressing a parasitic passband on the low-pass duplexer and optimizing out-of-band rejection of the high-pass duplexer are achieved by using the parasitic parameters of all components through reasonable three-dimensional layout.</description><language>eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; ELECTRICITY ; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS ; RESONATORS</subject><creationdate>2023</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=20230809&DB=EPODOC&CC=GB&NR=2615395A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230809&DB=EPODOC&CC=GB&NR=2615395A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Yonghong Liu</creatorcontrib><creatorcontrib>Mengdao Xing</creatorcontrib><creatorcontrib>Mengjiang Xing</creatorcontrib><creatorcontrib>Xiaodong Yang</creatorcontrib><creatorcontrib>Chengtao Yang</creatorcontrib><creatorcontrib>Chuanxiang Dai</creatorcontrib><title>LTCC (low temperature co-fired ceramic) miniaturized duplexer</title><description>An LTCC miniaturized duplexer comprises an LTCC base body layer 1. A duplexer circuit structure is formed on the LTCC base body layer. The duplexer circuit structure is composed of a low-pass filter circuit 2 and a high-pass filter circuit 3. The low-pass filter circuit comprises inductors L1, L2 connected in series between a common input port P1 and a low-frequency output port P2. A capacitor C1 connected with a grounding port is connected between every two adjacent inductors L1, L2. The high-pass filter circuit 3 comprises capacitors C2, C3, C4 connected in series between the common input end P1 and a high-frequency output port P3. An inductor L3, L4 connected with the grounding port is connected between every two adjacent capacitors C2, C3, C4. The effects of suppressing a parasitic passband on the low-pass duplexer and optimizing out-of-band rejection of the high-pass duplexer are achieved by using the parasitic parameters of all components through reasonable three-dimensional layout.</description><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>ELECTRICITY</subject><subject>IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS</subject><subject>RESONATORS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD1CXF2VtDIyS9XKEnNLUgtSiwpLUpVSM7XTcssSk1RSAaK5GYmayrkZuZlguQyq4CiKaUFOakVqUU8DKxpiTnFqbxQmptB3s01xNlDN7UgPz61uCAxOTUvtSTe3cnIzNDU2NLU0ZiwCgAWcS7g</recordid><startdate>20230809</startdate><enddate>20230809</enddate><creator>Yonghong Liu</creator><creator>Mengdao Xing</creator><creator>Mengjiang Xing</creator><creator>Xiaodong Yang</creator><creator>Chengtao Yang</creator><creator>Chuanxiang Dai</creator><scope>EVB</scope></search><sort><creationdate>20230809</creationdate><title>LTCC (low temperature co-fired ceramic) miniaturized duplexer</title><author>Yonghong Liu ; Mengdao Xing ; Mengjiang Xing ; Xiaodong Yang ; Chengtao Yang ; Chuanxiang Dai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2615395A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>ELECTRICITY</topic><topic>IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS</topic><topic>RESONATORS</topic><toplevel>online_resources</toplevel><creatorcontrib>Yonghong Liu</creatorcontrib><creatorcontrib>Mengdao Xing</creatorcontrib><creatorcontrib>Mengjiang Xing</creatorcontrib><creatorcontrib>Xiaodong Yang</creatorcontrib><creatorcontrib>Chengtao Yang</creatorcontrib><creatorcontrib>Chuanxiang Dai</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yonghong Liu</au><au>Mengdao Xing</au><au>Mengjiang Xing</au><au>Xiaodong Yang</au><au>Chengtao Yang</au><au>Chuanxiang Dai</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LTCC (low temperature co-fired ceramic) miniaturized duplexer</title><date>2023-08-09</date><risdate>2023</risdate><abstract>An LTCC miniaturized duplexer comprises an LTCC base body layer 1. A duplexer circuit structure is formed on the LTCC base body layer. The duplexer circuit structure is composed of a low-pass filter circuit 2 and a high-pass filter circuit 3. The low-pass filter circuit comprises inductors L1, L2 connected in series between a common input port P1 and a low-frequency output port P2. A capacitor C1 connected with a grounding port is connected between every two adjacent inductors L1, L2. The high-pass filter circuit 3 comprises capacitors C2, C3, C4 connected in series between the common input end P1 and a high-frequency output port P3. An inductor L3, L4 connected with the grounding port is connected between every two adjacent capacitors C2, C3, C4. The effects of suppressing a parasitic passband on the low-pass duplexer and optimizing out-of-band rejection of the high-pass duplexer are achieved by using the parasitic parameters of all components through reasonable three-dimensional layout.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS |
| title | LTCC (low temperature co-fired ceramic) miniaturized duplexer |
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