A phase‐shifterless experimental scheme for power combination of two magnetrons utilizing a single RF power amplifier
Various coherent power combining schemes have been developed with high power magnetrons to meet the increasing industrial demands of HPM and Wireless Power Transfer applications.In this paper, we propose a power combining scheme for two 1.25 kW magnetrons, based on phase‐shifter less philosophy. The...
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| Veröffentlicht in: | Microwave and optical technology letters 2022-07, Vol.64 (7), p.1192-1196 |
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| container_end_page | 1196 |
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| container_issue | 7 |
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| container_title | Microwave and optical technology letters |
| container_volume | 64 |
| creator | Shahid, Muhammad Atayyab Khan, Tariq Mairaj Qamar‐ul‐Hassan, Muhammad Khaliq, Muhammad Waseem Zarin, Syed Wahab Ashraf, Muhammad Mubashar |
| description | Various coherent power combining schemes have been developed with high power magnetrons to meet the increasing industrial demands of HPM and Wireless Power Transfer applications.In this paper, we propose a power combining scheme for two 1.25 kW magnetrons, based on phase‐shifter less philosophy. The proposed scheme utilizes a single signal generator synthesizing the injection signal for both magnetrons. A single RF Power Amplifier (PA) amplifies the injection signal for both magnetrons to the power level required by Adler's criteria. The amplified signal is then divided by 2:1 RF power divider. The divided signals are subsequently used for injection locking of both magnetrons through same length coaxial cables. The output power of the two magnetrons is combined in a symmetric H‐plane T‐combiner. Since both magnetrons follow the phase of a common injection source the instantaneous phase deviation in their injection‐locked responses is minimal, leading to a combining efficiency of 95%. |
| doi_str_mv | 10.1002/mop.33269 |
| format | Article |
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The proposed scheme utilizes a single signal generator synthesizing the injection signal for both magnetrons. A single RF Power Amplifier (PA) amplifies the injection signal for both magnetrons to the power level required by Adler's criteria. The amplified signal is then divided by 2:1 RF power divider. The divided signals are subsequently used for injection locking of both magnetrons through same length coaxial cables. The output power of the two magnetrons is combined in a symmetric H‐plane T‐combiner. 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The proposed scheme utilizes a single signal generator synthesizing the injection signal for both magnetrons. A single RF Power Amplifier (PA) amplifies the injection signal for both magnetrons to the power level required by Adler's criteria. The amplified signal is then divided by 2:1 RF power divider. The divided signals are subsequently used for injection locking of both magnetrons through same length coaxial cables. The output power of the two magnetrons is combined in a symmetric H‐plane T‐combiner. Since both magnetrons follow the phase of a common injection source the instantaneous phase deviation in their injection‐locked responses is minimal, leading to a combining efficiency of 95%.</description><subject>Coaxial cables</subject><subject>Frequency locking</subject><subject>high‐power microwave</subject><subject>injection locking</subject><subject>magnetron</subject><subject>Magnetrons</subject><subject>Phase deviation</subject><subject>phase‐shifterless power combining</subject><subject>Power amplifiers</subject><subject>Power dividers</subject><subject>Signal generators</subject><subject>Wireless power transmission</subject><issn>0895-2477</issn><issn>1098-2760</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kL1OwzAUhS0EEqUw8AaWmBjS-ieOnbGqKCAVFSGYIydct66SONipQpl4BJ6RJyGQrkzf8p17dQ5Cl5RMKCFsWrlmwjlL0iM0oiRVEZMJOUYjolIRsVjKU3QWwpYQwqVkI9TNcLPRAb4_v8LGmhZ8CSFgeG_A2wrqVpc4FBuoABvnceM68LhwVW5r3VpXY2dw2zlc6XUNrXd1wLvWlvbD1muscehRAn5aHJK6akprLPhzdGJ0GeDiwDF6Wdw8z--i5er2fj5bRgVjMo0giQvJuSryXOQC4r4G48lrogzlTFEiDJCUCQaSUtMzNwKoFCLlKTGqoHyMroa7jXdvOwhttnU7X_cvM5YkSRwrJdPeuh6swrsQPJis6dtrv88oyX53zfpds79de3c6uJ0tYf-_mD2sHofED7-ie9A</recordid><startdate>202207</startdate><enddate>202207</enddate><creator>Shahid, Muhammad Atayyab</creator><creator>Khan, Tariq Mairaj</creator><creator>Qamar‐ul‐Hassan, Muhammad</creator><creator>Khaliq, Muhammad Waseem</creator><creator>Zarin, Syed Wahab</creator><creator>Ashraf, Muhammad Mubashar</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>202207</creationdate><title>A phase‐shifterless experimental scheme for power combination of two magnetrons utilizing a single RF power amplifier</title><author>Shahid, Muhammad Atayyab ; Khan, Tariq Mairaj ; Qamar‐ul‐Hassan, Muhammad ; Khaliq, Muhammad Waseem ; Zarin, Syed Wahab ; Ashraf, Muhammad Mubashar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2279-e64c7338cbb5b5e4089236d68f1328105fe09252e711f252bf5e17559390f8c13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Coaxial cables</topic><topic>Frequency locking</topic><topic>high‐power microwave</topic><topic>injection locking</topic><topic>magnetron</topic><topic>Magnetrons</topic><topic>Phase deviation</topic><topic>phase‐shifterless power combining</topic><topic>Power amplifiers</topic><topic>Power dividers</topic><topic>Signal generators</topic><topic>Wireless power transmission</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shahid, Muhammad Atayyab</creatorcontrib><creatorcontrib>Khan, Tariq Mairaj</creatorcontrib><creatorcontrib>Qamar‐ul‐Hassan, Muhammad</creatorcontrib><creatorcontrib>Khaliq, Muhammad Waseem</creatorcontrib><creatorcontrib>Zarin, Syed Wahab</creatorcontrib><creatorcontrib>Ashraf, Muhammad Mubashar</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Microwave and optical technology letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shahid, Muhammad Atayyab</au><au>Khan, Tariq Mairaj</au><au>Qamar‐ul‐Hassan, Muhammad</au><au>Khaliq, Muhammad Waseem</au><au>Zarin, Syed Wahab</au><au>Ashraf, Muhammad Mubashar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A phase‐shifterless experimental scheme for power combination of two magnetrons utilizing a single RF power amplifier</atitle><jtitle>Microwave and optical technology letters</jtitle><date>2022-07</date><risdate>2022</risdate><volume>64</volume><issue>7</issue><spage>1192</spage><epage>1196</epage><pages>1192-1196</pages><issn>0895-2477</issn><eissn>1098-2760</eissn><abstract>Various coherent power combining schemes have been developed with high power magnetrons to meet the increasing industrial demands of HPM and Wireless Power Transfer applications.In this paper, we propose a power combining scheme for two 1.25 kW magnetrons, based on phase‐shifter less philosophy. The proposed scheme utilizes a single signal generator synthesizing the injection signal for both magnetrons. A single RF Power Amplifier (PA) amplifies the injection signal for both magnetrons to the power level required by Adler's criteria. The amplified signal is then divided by 2:1 RF power divider. The divided signals are subsequently used for injection locking of both magnetrons through same length coaxial cables. The output power of the two magnetrons is combined in a symmetric H‐plane T‐combiner. Since both magnetrons follow the phase of a common injection source the instantaneous phase deviation in their injection‐locked responses is minimal, leading to a combining efficiency of 95%.</abstract><cop>New York</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/mop.33269</doi><tpages>5</tpages></addata></record> |
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| issn | 0895-2477 1098-2760 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Coaxial cables Frequency locking high‐power microwave injection locking magnetron Magnetrons Phase deviation phase‐shifterless power combining Power amplifiers Power dividers Signal generators Wireless power transmission |
| title | A phase‐shifterless experimental scheme for power combination of two magnetrons utilizing a single RF power amplifier |
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