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Hình 1-6˯ÿ͛ chung cͯa h th͙ng beamforming phased array h͟n hͫp [2]
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Hình 1-;XK˱ͣng công ngh theo công sṷt bão hòa
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G f P f P f (2.3) ĈLӇPQpQG%ÿѭӧFPLQKKӑDWUrQKuQK-Ĉk\OjÿLӇPPjWҥLÿyF{QJVXҩW QJ}UDKRһFÿӝOӧLFӫDPҥFKNKXӃFKÿҥLF{QJVXҩWEӏJLҧPÿLG%VRYӟLÿiS ӭQJOtWѭӣQJFӫDFK~QJĈLӇPQpQG%WҥRUDUDQKJLӟLJLӳDPLӅQWX\ӃQWtQK KD\PLӅQWtQKLӋXQKӓYjPLӅQSKLWX\ӃQKD\PLӅQWtQKLӋXOӟQӢPLӅQWtQKLӋX QKӓF{QJVXҩWQJ}UDWăQJWX\ӃQWtQKWKHRKjPEұFQKҩWVRYӟLF{QJVXҩWQJ} YjRKD\ÿӝOӧLO~FQj\OjPӝWKҵQJVӕ.KLF{QJVXҩWQJ}YjRYѭӧWTXDÿLӇP QpQG%F{QJVXҩWQJ}UDEӏEmRKzDKD\ ÿӝOӧLPҥFKNKXӃFKÿҥLEӏJLҧPÿL
Hình 2-ĈL͋m nén 1dB cͯa m̩ch khu͇FKÿ̩i công sṷt
+LӋXVXҩWÿѭӧFÿӏQKQJKƭDWKHRQKLӅXFiFKNKiFQKDXQKѭQJWUrQWKӵFWӃ GҥQJVDXÿk\WKѭӡQJÿѭӧFVӱGөQJFKӫ\ӃX x +LӋXVXҩWK ÿѭӧFÿӏQKQJKƭDOjWӍVӕJLӳDF{QJVXҩWFytFKQJ}UDYj F{QJVXҩWWLrXWKөFӫDPҥFKNKXӃFKÿҥLF{QJVXҩW
K P (2.4) x +LӋXVXҩWWKrPYjRK added KD\FzQÿѭӧFJӑLOjWҳWOj3$(ÿѭӧFÿӏQK QJKƭDOjWӍVӕJLӳDKLӋXVӕF{QJVXҩW ngõ ra - F{QJVXҩWQJ}YjRYjF{QJ VXҩWWLrXWKөFӫDPҥFKNKXӃFKÿҥLF{QJVXҩW or PAE OUT IN added
7ӯYjKLӋXVXҩWK added KD\3$(OX{QOX{QQKӓKѫQKLӋXVXҩW
K YjÿѭӧFPLQKKӑDQKѭtrên hình 2-0ӝWÿLӇPÿiQJFK~êOjKLӋX VXҩWÿҥWÿLӇPFӵFÿҥLWURQJPLӅQKRҥWÿӝQJSKLWX\ӃQ0ҥFKNKXӃFKÿҥL WX\ӃQWtQKFyѭXÿLӇPOjÿӝOӧLOӟQKҫXQKѭNK{QJÿәLWKHRF{QJVXҩW QJ}YjRQKѭQJÿәLOҥLWKuF{QJVXҩWQJ}UDYjKLӋXVXҩWWKuNK{QJFDR NgѭӧFOҥLPҥFKNKXӃFKÿҥLSKLWX\ӃQFyF{QJVXҩWQJ}UDFNJQJQKѭ KLӋXVXҩWFDRQKѭQJÿӝOӧLO~FQj\OҥLJLҧPGҫQWKHRF{QJVXҩWQJ}YjR
Hình 2-Ĉ̿c tính hi u sṷt theo công sṷt ngõ vào ĈӕLYӟLPҥFKNKXӃFKÿҥLFyQKLӅXWҫQJÿѭӧFPLQKKӑDQKѭWUrQKình 2-4 thì KLӋXVXҩWWәQJFӫDWRjQEӝPҥFKNKXӃFKÿҥLVӁÿѭӧFWtQKQKѭVDX
7ӯF{QJWKӭFKLӋXVXҩWWRjQEӝPҥFKNKXӃFKÿҥLVӁSKөWKXӝFFKӫ\ӃX YjRKLӋXVXҩWFӫDWҫQJFXӕLFQJK tot |K 4 EӣLYuF{QJVXҩWWLrXWKөFӫDWҫQJFXӕLFQJ WKѭӡQJOӟQKѫQUҩWQKLӅXOҫQVRYӟLFiFWҫQJWUѭӟFÿy3DC4>>PDC3+PDC2+PDC1
Hình 2-4 M̩ch khu͇FKÿ̩i có 4 t̯ng n͙i ti͇p nhau
Mҥch khuӃFKÿҥi công suҩt lӟp A, AB, B, C
0ҥFKNKXӃFKÿҥLF{QJVXҩWWKѭӡQJÿѭӧFSKkQORҥLWKjQKFiFOӟS$$%%&GӵDWUrQWtQKFKҩWYӅJyFGүQFӫDGzQJÿLӋQFKҥ\TXDWUDQVLVWRUO~FQyKRҥWÿӝQJ0ӝWVӕORҥLPҥFKNKXӃFKÿҥLNKiFQKѭOӟS'()ÿѭӧFSKkQORҥLGӵDWUrQGҥQJVyQJFӫD ÿLӋQiSYjGzQJÿLӋQFӵF'UDLQ&ROOHFWRUVDRFKRF{QJVXҩWWLrXWKөFӫDPҥFKOjQKӓQKҩWYӟLPөFÿtFKOjWăQJKLӋXVXҩWFKҥPPӕF0ӝWÿLӇPOѭXêTXDQWUӑQJOjWtQKLӋXӣFiFPҥFKNKXӃFKÿҥLORҥL'()OjGҥQJ[XQJYX{QJQrQNKҧQăQJKLӋQWKӵFKyDFK~QJӣQKӳQJYQJWҫQVӕFDRKҫXQKѭOjUҩWWKiFKWKӭFYjNpPKLӋXTXҧ9uYұ\YӟLWҫQVӕWKLӃWNӃFӫDÿӅWjLQj\WKuFKӍFyPҥFKNKXӃFKÿҥLOӟS$$%%&OjFyNKҧQăQJKLӋQWKӵFÿѭӧF3KҫQQj\VӁWUuQKEj\NKiWTXiWOҥLWtQKFKҩWÿһFWUѭQJFӫDWӯQJPҥFKNKXӃFKÿҥLORҥL$$%%&
Hình 2-5 M̩ch khu͇FKÿ̩i lͣp A, AB, B, C
Hình 2-WKӇKLӋQFҩXWU~FPҥFKNKXӃFKÿҥLOӟS$$%%&ÿLӇQKuQKWURQJ WKӵFWӃYjÿѭӧFVӱGөQJFKXQJÿӇSKkQWtFKFKRWҩWFҧFiFOӟSPҥFKNKXӃFKÿҥLQj\
&iFFXӝQGk\5)&FyWiFGөQJGүQÿLӋQiS'&ÿӃQFiFFӵFFӫDWUDQVLVWRUÿӗQJWKӡL FKһQFiFWtQKLӋX$&WҥLFiFFӵFFӫDWUDQVLVWRUNK{QJÿLUDQJѭӧFOҥLQJXӗQSKkQFӵF
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Hình 2-WKӇKLӋQWtQKFKҩWPҥFKNKXӃFKÿҥLOӟS$WK{QJTXDFiFÿһFWUѭQJYӅ ÿLӋQiSGzQJÿLӋQFiFKSKkQFӵF7URQJPҥFKNKXӃFKÿҥLORҥL$WUDQVLVWRUÿѭӧF SKkQFӵFVDRFKRVG > VTH $YӟL9G OjÿLӋQiSSKkQFӵFFӵF*9TH OjÿLӋQiS QJѭӥQJFӫDWUDQVLVWRUYj$OjELrQÿӝWtQKLӋXQJ}YjR/~FQj\WtQKLӋXGzQJÿLӋQ,D
QJ}UDVӁNK{QJEӏ[pQYjFyJyFGүQOj 0 'zQJÿLӋQYjÿLӋQiSQJ}UDÿѭӧFELӇX GLӉQQKѭF{QJWKӭFVDX
(2.8) 7URQJFKӃÿӝKRҥWÿӝQJFӫDFODVV$WKu ac DC
(2.10) +LӋXVXҩWFӫDPҥFKNKXӃFKÿҥLOӟS$ÿѭӧFWtQKQKѭF{QJWKӭF ac 0.5 ac ac
+LӋXVXҩWWӕLÿDFӫDPҥFKNKXӃFKÿҥLFODVV$OjYjÿѭӧFWKӇKLӋQӣF{QJWKӭF
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2 2 ac ac ac DD DC
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Hình 2-Ĉ̿c tính m̩ch khu͇FKÿ̩i lͣp A Ӣ PҥFK NKXӃFK ÿҥL F{QJ VXҩW OӟS % WKu WUDQVLVWRU ÿѭӧF SKkQ FӵF VDR FKR
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'zQJWUXQJEuQKYjGzQJEұFQKҩWÿѭӧFWtQKQKѭVDX
(2.15) (2.16) +LӋXVXҩWFӫDPҥFKNKXӃFKÿҥLOӟS%ÿѭӧFWtQKQKѭF{QJWKӭFVDX max ,max max max
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Hình 2-Ĉ̿c tính m̩ch khu͇FKÿ̩i lͣp B
0ҥFKNKXӃFKÿҥLOӟS$%OjVӵWUXQJKzDJLӳDPҥFKNKXӃFKÿҥLOӟS$YjOӟS
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1ӃXQKѭELӇXÿӗ1\TXLVWFӫDG i (j )Z EDRTXDQKÿLӇPMWӕLWKLӇXOҫQWKu[HPQKѭYzQJKӗLWLӃSÿyEӏGDRÿӝQJ7URQJWUѭӡQJKӧSPҥFKEӏGDRÿӝQJÿLӋQWUӣ
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Hình 2-21 Mô hình cách tính hàm truy͉n vòng kín trong m̩ch khu͇FKÿ̩i [8]
Hình 2-Ĉ͡ ͝Qÿ͓nh cͯa h th͙ng h͛i ti͇p da trên v͓ trí các cc
Ĉӏnh lí Kurokawa
7ӯFiFSKѭѫQJSKiSNLӇPWUDGDRÿӝQJÿѭӧFWUuQKEj\ӣSKҫQWUѭӟFVӕOѭӧQJ WKDRWiFFҫQSKҧLWKӵFKLӋQOjUҩWQKLӅXWӕQWKӡLJLDQYjF{QJVӭFNKLSKҧLNLӇPWUD GDRÿӝQJӣWӯQJWUDQVLVWRUWӯQJWҫQÿһWELӋWNKLSKҧLNLӇPWUDGDRÿӝQJӭQJYӟLQKLӅX ÿLӅXNLӋQSKkQFӵFNKiFQKDXFNJQJQKѭQKLӅXPӭFF{QJVXҩWQJ}YjRNKiFQKDX ĈӏQKOtGDRÿӝQJ.XURNDZD>@ÿѭӧFÿӅ[XҩWOjSKѭѫQJSKiSÿѫQJLҧQKyDFiFKNLӇP WUDGDRÿӝQJFKRPҥFKNKXӃFKÿҥLQKLӅXWUDQVLVWRUQKLӅXWҫQ
;pWPӝWPҥQJFӱDFyPDWUұQWK{QJVӕ>6@FӫDPҥFK,601EӏÿiQKÿәLVDXNKLәQ ÿӏQKNK{QJWӕWYӅNKҧQăQJSKӕLKӧSWUӣNKiQJNKLÿӝVX\KDR621 WӋQKҩWWӟLG% WҥL*+]622 QKӓKѫQG%WUrQWRjQEăQJWK{QJ-17 GHz ắ 0̩FKSK͙LKͫSWUͧNKiQJOLrQW̯QWKͱKDL,601
Hình 3- WKӇ KLӋQ OD\RXW FӫD PҥFK SKӕL KӧS WUӣ NKiQJ OLrQ WҫQ WKӭ KDL ,601&iFKWKLӃWNӃFӫDPҥFK,601WѭѫQJWӵQKѭ PҥFK,601YӟLÿӝSKӭFWҥS JLҧPÿLPӝWtW0ҥFK,601JL~SFKX\ӇQÿәLWUӣNKiQJWӕLѭXQJ}UDFӫDWUDQVLVWRU WҫQ ÿҫX4x200 Pm Zout,opt =5.903-j*18.093: YӅ WUӣ NKiQJ WӕL ѭX QJ} YjR FӫD WUDQVLVWRUWҫQWKӭKDL Zin,opt=1.934-j*2.053:0ҥFK,601FzQFyQKLӋPYөFKLD EӕQOҫQF{QJVXҩWQJ}UDFӫDWUDQVLVWRUWҫQÿҫXÿӇFҩSF{QJVXҩWÿӫOiLFiFWUDQVLVWRU WҫQWKӭKDLWKHRQKѭVѫÿӗF{QJVXҩWKuQK-ĈѭӡQJGk\O/ 4 NӃW KӧSYӟLWөÿLӋQ
CAC_ground ÿѭӧFVӱGөQJOjP'&IHHG7өÿLӋQFKһQ'&&b OjPӝWSKҫQWӱSKӕLKӧS WUӣNKiQJQӕLWLӃSYӟLFһSÿLӋQWUӣWөÿLӋQVRQJVRQJ5S//CS ÿѭӧFVӱGөQJWUrQÿѭӡQJ WtQKLӋXJL~SÿLӅXNKLӇQGDRÿӝQJFKӃÿӝFKҹQĈLӋQWUӣ5RGGPҳFJLӳDWUansistor WҫQJJL~SQJăQFKһQGDRÿӝQJFKӃÿӝOҿ&һSÿLӋQWUӣWөÿLӋQQӕLWLӃS5D nt CD trên '&IHHGFKRQJ}UDWUDQVLVWRUWҫQYjÿLӋQWUӣQӕLWLӃS5G QҵPWUrQÿѭӡQJSKkQFӵF FӫD'&IHHGQJ}YjRWҫQJL~SNKҳFSKөFGDRÿӝQJWҫQVӕWKҩS
Hình 3-11 WKӇKLӋQFKҩWOѭӧQJFӫDPҥFK,601WK{QJTXDWK{QJVӕ>6@9uWӍ OӋWUӣNKiQJ=L/ZSӣWҫQQj\FDRKѫQVRYӟL,601FKRQrQFKҩWOѭӧQJPҥFKÿѭӧF FҧLWKLӋQKѫQU}UӋW&өWKӇVX\KDR621 WӋQKҩWFKӍNKRҧQJG%WҥL*+]611 và S22 ÿӅXEpKѫQG%WUrQWRjQEăQJWK{QJ-17 GHz
Hình 3-10 Layout m̩ch ph͙i hͫp trͧ kháng liên t̯n thͱ hai ISMN2
Hình 3-11 Thông s͙ [S] m̩ch ISMN2 ắ 0̩FKSK͙LKͫSWUͧNKiQJQJ}YjR,01
/jPҥFKFyOD\RXWÿѫQJLҧQQKҩWKuQK-WURQJFiFPҥFKSKӕLKӧSWUӣ kháng FKRPҥFKNKXӃFKÿҥLF{QJVXҩW.XPҥFK,01FyFKӭFQăQJFKX\ӇQÿәLWUӣ NKiQJQJXӗQ: YӅWUӣNKiQJWӕLѭXQJ}YjRFӫDWUDQVLVWRU4x200PmZin,opt=1.894- j*1.898:&iFELӋQSKiSNKҳFSKөFGDRÿӝQJFӫDÿѭӧFKLӋQWKӵFJLӕQJQKѭFiF PҥFKSKӕLKӧSWUӣNKiQJNKiF0ҥFK,01OjPҥQJKDLFӱDQrQFKҩWOѭӧQJPҥFKNKi WӕWYjFKҩWOѭӧQJFӫDÿѭӧFWKӇKLӋQӣKuQK-ĈӝVX\KDR621 WӋQKҩWNKRҧQJ G%Wҥ*+]611 và S22 ÿӅXQKӓKѫQG%WUrQWRjQEӝEăQJWK{QJ-17 GHz
Hình 3-12 Layout m̩ch ph͙i hͫp trͧ kháng ngõ vào IMN
KӃt quҧ mô phӓng toàn bӝ mҥch khuӃFKÿҥi công suҩt
Hình 3-WKӇKLӋQOD\RXWVDXFQJFӫDPҥFKNKXӃFKÿҥLF{QJVXҩW.XYӟi
GLӋQWtFK[PP 2 *6*3$'YӟLNtFKWKѭӟF[P m 2 YjNKRҧQJFiFKWӯ WkP3$'WtQKLӋX5)ÿӃQWkP3$'JURXQGOjPm ÿѭӧFVӱGөQJFKRWtQKLӋX5) QJ}YjRYjQJ}UD3$'YӟLNtFKWKѭӟF[Pm ÿѭӧFVӱGөQJFKRFiFWtQKLӋX '&SKkQFӵFFiFWUDQVLVWRU%ҧQOD\RXWÿmWKӓDPmQKӃWFiF\rXFҫX'5&FNJQJQKѭ /96ÿѭӧFTX\ÿӏQKFKLWLӃWEӣLQKjVҧQ[XҩW
7RjQEӝPҥFKNKXӃFKÿҥLF{QJVXҩW.XÿѭӧFP{SKӓQJNLӇPWUDFKҩWOѭӧQJ saXNKLKRjQWKLӋQWKLӃWNӃFiFPҥFKSKӕLKӧSWUӣNKiQJ+uQK-WKӇKLӋQFKҩW OѭӧQJFӫDWRjQEӝPҥFKNKXӃFKÿҥL.XWK{QJTXDWK{QJVӕ>6@ĈӝOӧLWtQKLӋXQKӓ
S21 FӫDPҥFKÿҥWÿѭӧFWӕLÿDOjG%WҥL*+]YjWӕLWKLӇXOjG%WҥL*+]
S11 FӫDPҥFKWӕWQKҩWWҥL*+]OjG%YjWӋQKҩWWҥLWҫQVӕ*+]OjG%622 ÿӅXQKӓKѫQG%WUrQWRjQEăQJWҫQVӕ-17 GHz S22 NK{QJÿѭӧFWӕWYuQJX\rQQKkQÿk\OjPҥFKNKXӃFKÿҥLÿѭӧFWKLӃWNӃVDRFKRF{QJVXҩWQJ}UDOjOӟQQKҩWFKӭNK{QJSKҧLOjÿӝOӧLOӟQQKҩWĈӝFiFKO\612 FӫDPҥFKNKXӃFKÿҥLUҩWWӕWÿҥWKѫQG%WUrQWRjQEăQJWK{QJ-17 GHz
Hình 3-14 Layout toàn b͡ m̩ch khu͇FKÿ̩i Ku
Hình 3-15 Thông s͙ [S] toàn b͡ m̩ch khu͇FKÿ̩i Ku
Hình 3-16 Công sṷt, hi u sṷt cͯa m̩ch khu͇FKÿ̩i Ku vͣi Pin& dBm
Hình 3-WKӇKLӋQNӃWTXҧP{SKӓQJWtQKLӋXOӟQFӫDPҥFKNKXӃFKÿҥL.XWҥL PӭFF{QJVXҩWQJ}YjR3in G%P7UrQWRjQEăQJWK{QJ-*+]F{QJVXҩW ÿҫXUDÿҥWÿѭӧFWUrQG%PWѭѫQJÿѭѫQJYӟL:YjWӕLÿDOj:WҥLWҫQVӕ5
*+]+LӋXVXҩW3$(ÿҥWÿѭӧFWUrQWUrQWRjQEăQJWK{QJPRQJPXӕQWӕLÿD OjWҥL*+]&iFNӃWTXҧÿҥWÿѭӧFQj\ÿӅXÿmEDRJӗPPӝWSKҫQGӵWUӳVDX FKӃWҥRGRҧQKKѭӣQJVDLVӕFӫDP{KuQKFiFOLQKNLӋQKRҥWÿӝQJWURQJWKӵFWӃ
Hình 3-17 P{WҧNӃWTXҧP{SKӓQJFKҩWOѭӧQJFӫDPҥFKNKXӃFKÿҥL.XNKL
F{QJVXҩWQJ}YjR3in ÿѭӧFTXpWWӯYQJWX\ӃQWtQKÿӃQYQJSKLWX\ӃQFөWKӇOjWӯ- G%PÿӃQG%PYӟLEѭӟFQKҧ\OjG%PWURQJGҧLWҫQVӕ-*+]EѭӟFQKҧ\
*+]&iFWK{QJVӕFKҩWOѭӧQJÿӅXÿѭӧFKLӇQWKӏWK{QJVӕU}UjQJWK{QJTXDPDUNHUWҥLPӭFF{QJVXҩWQJ}YjROjG%PJҫQYӟLPӭFF{QJVXҩWQJ}YjRGӵÿRiQ ӣVѫÿӗF{QJVXҩWFKLWLӃWOjG%PĈLӇPQpQG%FӫDPҥFKNKXӃFKÿҥLWKD\ÿәLWӯ-G%PW\YjRWҫQVӕWURQJEăQJWҫQ15-*+]+LӋXVXҩW3$(ÿѭӧFWӕLѭXWURQJPLӅQSKLWX\ӃQQj\YjFyVX\JLҧPQKҽNKLF{QJVXҩWQJ}YjRFjQJWăQJGRO~FQj\F{QJVXҩWWLrXWKө3dc WăQJOrQ;pWYӅÿӝOӧLӣYQJF{QJVXҩWWKҩSWKuÿӝOӧLF{QJVXҩWJҫQQKѭEҵQJYӟL621 FzQNKLF{QJVXҩWWăQJOrQÿӃQPLӅQEmRKzDWKuÿӝOӧLF{QJVXҩWJҫQÿ~QJYӟLGӵÿRiQӣVѫÿӗF{QJVXҩWKuQK-OjNKRҧQJG%'zQJ ÿLӋQWLrXWKөFӫDWRjQEӝPҥFKNKXӃFKÿҥLF{QJVXҩWWăQJGҫQNKLF{QJVXҩWQJ}YjRWăQJOrQYjÿҥWJLiWUӏEmRKzDNKRҧQJ$YӟLÿLӋQiSFӵF'O~FQj\Oj9WѭѫQJ ÿѭѫQJYӟLPӭFF{QJVXҩWWәQKDRWӕLÿDOj:
Hình 3-17 Ch̭WO˱ͫng m̩ch khu͇FKÿ̩i Ku theo công sṷt ngõ vào
Hình 3-WKӇKLӋQVѫÿӗP{SKӓQJGDRÿӝQJEDRJӗPGDRÿӝQJWҫQVӕWKҩS
GDRÿӝQJFKӃÿӝFKҳQGDRÿӝQJ FKӃÿӝOҿÿѭӧF[k\GӵQJWURQJSKҫQPӅP$'6:LQVORZSUREHÿѭӧFVӱGөQJÿӇWtQKWRiQKjPGULYLQJSRLQWDGPLWWDQFHWҥLQJ}YjRQJ}UDFӫDWӯQJWUDQVLVWRUFӫDPҥFKNKXӃFKÿҥLWURQJSKҫQPӅP$'63KpSP{SKӓQJFKtQKÿѭӧFVӱGөQJӣÿk\Oj63VLPXODWRUNӃWKӧS YӟLFiF3DUDPHWHU6ZHHSJL~SWKD\ ÿәLÿLӋQiSSKkQFӵF0{KuQKFӫDFiFNӃWQӕLWӯGLHFKLSUDSDFNDJHÿѭӧFFXQJFҩSEӣLQKjVҧQ[XҩWÿӅXÿѭӧFÿѭDYjRÿӇJLDWăQJWtQKFKtQK[iFFӫDSKpSP{SKӓQJ
Hình 3-18 Test-bench mô ph͗QJGDRÿ͡ng trong m̩ch khu͇cKÿ̩i công sṷt Ku
Hình 3-19aWKӇKLӋQNӃWTXҧP{SKӓQJÿӝәQÿӏQKFӫDPҥFKNKXӃFKÿҥLF{QJVXҩW.XWKHRÿӏQKOt5ROOHW+ӋVӕәQÿӏQKXOӟQKѫQWUrQEăQJWҫQVӕWӯ-38 GHz
YӟLPӑLÿLӋQiSSKkQFӵF9D Wӯ-9EѭӟFQKҧ\9Yj9G Wӯ-9ÿӃQ-2 V, EѭӟF QKҧ\9FKӭQJWӓPҥFKNKXӃFKÿҥLәQÿӏQKNK{QJÿLӅXNLӋQWKHRÿӏQKOt5ROOHW Hình 3-EOjÿӝOӧLWtQKLӋXQKӓ621 YӟLFiFÿLӋQiSSKkQFӵFNKiFQKDXĈӝ OӧL621 ӣQJRjLYQJEăQJWҫQKRҥWÿӝQJÿһWELӋWOjWҫQVӕWKҩSÿѭӧFWKLӃWNӃ sao cho VX\KDRFjQJOӟQFjQJWӕWÿӇORҥLEӓҧQKKѭӣQJ[ҩXWӯFiFWҫQVӕNK{QJPRQJPXӕQ ÿӃQFKҩWOѭӧQJWtQKLӋXQJ}UDÿӗQJWKӡLJL~SOjPJLҧPQJX\FѫGDRÿӝQJFӫDPҥFK NKXӃFKÿҥL
Hỡnh 3-19 a H s͙ ͝Qÿ͓nh à YjEĈ͡ lͫi S 21 cͯa m̩ch khu͇FKÿ̩i cụng sṷt Ku
9uÿӏQKOtGDRÿӝQJ5ROOHWFKӍiSGөQJFKRP{KuQKWtQKLӋXQKӓFKӃÿӝFKҹQ FӫDWUDQVLVWRUFKRQrQÿӏQKOt.XURNZDÿѭӧFVӱGөQJÿӇNKҧRViWWәQJTXiWFiFORҥL GDRÿӝQJNKiFQKDXÿѭӧFWUuQKEj\ӣSKҫQ+uQK-20ELӇXGLӉQNӃWTXҧP{ SKӓQJÿӝәQÿӏQKFӫDPҥFKNKXӃFKÿҥLF{QJVXҩW.XWKHRÿӏQKOt.XURNDZDYӟLWұS ÿLӋQiSSKkQFӵF9D=[0:32:1] V và VG=[-5:-@9'ӵDYjRFiFÿӗWKӏWKuWҩWFҧ các hàm driving point admittance ÿӅXNK{QJWKӓDPmQÿӏQKOtGDRÿӝQJ.XURNDZD FKRQrQPҥFKNKXӃFKÿҥL.XÿѭӧFNӃWOXұQOjәQÿӏQK
Hình 3-ELӇXGLӉQWHVWEHQFKP{SKӓQJGDRÿӝQJWtQKLӋXOӟQÿѭӧF[k\GӵQJ WURQJSKҫQPӅP$'6WKHRÿӏQKOt.XURNDZD&{QJVXҩWQJ}YjRÿѭӧFWKD\ÿәLWӯ0 G%PÿӃQG%PEѭӟFQKҧ\G%PĈӕLYӟLGDRÿӝQJPLӅQSKLWX\ӃQWKuWtQKLӋX GDRÿӝQJFKӍQҵPӣWҫQVӕI0YӟLI0 OjWҫQVӕKRҥWÿӝQJFӫDPҥFKNKXӃFKÿҥL9u a) b)
Yұ\WҫQVӕNLӇPWUDGDRÿӝQJFӫDPҥFKÿѭӧFVHWXSWӯÿrQ*+]EѭӟFQKҧ\
*+]ÿӇEDRSKӫÿѭӧFPLӅQWҫQVӕGDRÿӝQJ0{SKӓQJFKtQKÿѭӧFVӱGөQJOj+% NӃWKӧSYӟL3DUDPHWHU6ZHHSÿӇWKD\ÿәLF{QJVXҩWQJ}YjRĈLӋQiSSKkQFӵFÿѭӧF ÿLӅXFKӍQKFӕÿӏQKOj9G=-2.4V và VD(V
Hình 3-20 K͇t qu̫ ki͋PWUDGDRÿ͡ng ͧ mi͉n tuy͇n tính b̹ng WS probe khi thay ÿ͝LÿL n áp phân cc V D =[0:32:1] V, V G =[-5:-2:0.1] V
Hình 3-ELӇXGLӉQNӃWTXҧP{SKӓQJÿӝәQÿӏQKӣPLӅQSKLWX\ӃQFӫDPҥFK
NKXӃFKÿҥLF{QJVXҩW.XWKHRÿӏQKOt.XURNDZD7K{QJTXDFiFÿӗWKuSKҫQWKӵFYjSKҫQҧRFӫDWҩWFҧWUDQVLVWRUPҥFKNKXӃFKÿҥLF{QJVXҩW.XÿѭӧFNӃWOXұQәQÿӏQKNKLKRҥWÿӝQJӣPLӅQWtQKLӋXOӟQYuWҩWFҧFiFSKҫQWKӵFFӫD'3$ÿӅXOӟQKѫQ
Hình 3-21 Test-bench mô ph͗QJGDRÿ͡ng tín hi u lͣn
Hình 3-22 K͇t qu̫ ki͋PWUDGDRÿ͡ng ͧ mi͉n phi tuy͇n b̹ng WS probe
KӃt quҧ ÿRÿҥc thӵc tӃ
Hình 3-WKӇKLӋQKuQKҧQKGLHFKLSVDXNKLFKӃWҥRFӫDPҥFKNKXӃFKÿҥLF{QJ VXҩW.XӢSKҫQSKkQFӵFFiFGk\ERQGLQJEҵQJYjQJÿѭӧFQӕLWӯ3$'WURQJFKLS UDFiFWөGHFRXSOLQJYjQӕLFKXQJOҥLYӟLQKDXWKjQKÿѭӡQJSKkQFӵF*Yj'Ӣ SKҫQWtQKLӋXGk\ERQGLQJÿѭӧFQӕLWӯ3$'WURQJFKLSUDÿѭӡQJGk\WtQKLӋXWUrQ SDFNDJHÿӇQӕLUDQJRjL3&%
Hình 3-23 Hình chͭp thc t͇ die chip cͯa m̩ch khu͇FKÿ̩i công sṷt Ku
Hình 3-P{WҧPҥFKLQ3&%SKөFYөFKRYLӋFÿRÿҥF PҥFKNKXӃFKÿҥLF{QJVXҩW.X&iFWөOӟQÿѭӧFWKLӃWNӃWKrPӣSKҫQ3&%JL~SQkQJFDRFKҩWOѭӧQJQJXӗQFXQJFҩSYjRPҥFKNKXӃFKÿҥL7RjQEӝPҥFKNKXӃFKÿҥLVӁÿѭӧFWKLӃWNӃQҵPWUrQPӝWPLӃQJWҧQQKLӋWQK{PQKѭKuQKJL~SWҧQQKLӋWF{QJVXҩWWәQKDRUDQJRài không NKtGX\WUuFKҩWOѭӧQJFӫDPҥFKNKXӃFKÿҥLWKHRWKӡLJLDQ&iFFRQQHFWRU60$ÿѭӧFVӱGөQJӣQJ}YjRYjQJ}UDJL~SNӃWQӕLÿӃQFiFWKLӃWEӏÿRFNJQJQKѭFiFPRGXOHNKiFWURQJKӋWKӕQJOӟQKѫQ&iFÿѭӡQJGk\NӃWQӕL60$YӟLQJ}YjRFӫDPҥFKNKXӃFKÿҥLÿӅXÿѭӧFWKLӃWNӃVDRFKRWUӣNKiQJÿһFWtQKFӫDQySKҧLOj2KPJL~SKҥQFKӃYLӋFPҩWPiWF{QJVXҩWFytFKӣQJ}YjRFNJQJQKѭQJ}UD+DLGk\ÿLӋQFXQJ
FҩSÿLӋQiSSKkQFӵF*Yj'ÿѭӧFKjQUDQJRjLJL~SGӉGjQJNӃWQӕLÿӃQFiFQJXӗQ ÿLӋQErQQJRjLWK{QJTXDÿҫXFiVҩXKRһFÿҫXEҳSFKXӕL
Hình 3-24 PCB h͟ trͫ ÿRÿ̩c m̩ch khu͇FKÿ̩i công sṷt Ku
Hình 3-P{WҧWHVWEHQFKÿRÿҥFWKӵFWӃFKRPҥFKNKXӃFKÿҥLF{QJVXҩW.X 0i\SKiWWtQKLӋX5)6LJQDO*HQHUDWRUÿѭӧFVӱGөQJӣQJ}YjRÿӇWҥRFiFWtQKLӋX WURQJEăQJWҫQ.X0ӝWPҥFKOiLÿӝOӧLG%ÿѭӧFÿһWӣVDXJL~SQkQJFDRF{QJVXҩW OiLQJ}YjRÿӫÿӇÿiSӭQJFKRPҥFKNKXӃFKÿҥLF{QJVXҩW.X0i\SKkQWtFKSKә VSHFWUXPDQDO\]HUFyFKӭFQăQJNLӇPVRiWF{QJVXҩWQJ}YjRPҥFKNKXӃFKÿҥLYj ÿѭӧFWKLӃWOұSWK{QJTXDPҥFKFRXSOHU&iFPҥFKVX\KDRF{QJVXҩWOӟQÿѭӧFÿһWVDX PҥFKNKXӃFKÿҥL.XJL~SEҧRYӋFiFPi\ÿRNKӓLEӏKѭKӓQJ0i\SKkQWtFKPҥQJ 1HWZRUN$QDO\]HUÿѭӧFVӱGөQJÿӇÿRWK{QJVӕ>6@FӫD3$3RZHU 6HQVRUNӃWKӧS YӟL3RZHU0HWHUÿӇÿRF{QJVXҩWQJ}UDFӫD3$&iFQJXӗQ'&ÿѭӧFFXQJFҩSÿ~QJ WKHR\rXFҫXGzQJiSFӫDFiFPҥFKNKXӃFKÿҥL5LrQJWҥLFӵFGUDLQFӫD.X3$PӝW Pi\WҥR[XQJIXQFWLRQJHQHUDWRUÿѭӧFVӱGөQJÿӇÿRPҥFKNKXӃFKÿҥLӣFKӃÿӝ xuQJSXOVHGPRGH'zQJÿLӋQÿLTXDFӵFGUDLQFӫD.X3$ÿѭӧFTXDQViWWUrQGDR GӝQJNtRVFLOORVFRSH&iFPҥFKNKXӃFKÿҥLÿӅXÿѭӧFWUDQJEӏWKrPTXҥWÿӇKӛWUӧ WҧQQKLӋWWӕWKѫQWURQJTXiWUuQKKRҥWÿӝQJ
Hình 3-WKӇKLӋQNӃWTXҧÿRÿҥFWK{QJVӕ6FӫD PҥFKNKXӃFKÿҥLF{QJVXҩW.XӣÿLӋQiS9D(V và IDs0 mA Hình 3-WKӇKLӋQVӵNKiFQKDXFӫDFKҩWOѭӧQJWtQKLӋXQKӓPҥFKNKXӃFKÿҥLF{QJVXҩW.XJLӳDP{SKӓQJYjÿRÿҥF0ҥFKNKXӃFK ÿҥL.XÿѭӧFSKkQFӵFEuQKWKѭӡQJPjNK{QJFyEҩWNuVӵWKD\ÿәLQjRWrên dòng phân FӵFFKӭQJWӓPҥFKKRҥWÿӝQJәQÿӏQKNK{QJ[ҧ\UDEҩWFӭGDRÿӝQJQjRĈӝOӧLWtQKLӋXQKӓ621 VDXNKLÿRÿҥFFӫDPҥFKFyJLiWUӏWUrQG%WURQJEăQJWK{QJPRQJPXӕQ-*+]ĈӝOӧLOӟQQKҩWFyWKӇÿҥWWUrQG%WҥLKDLÿLӇPWҫQVӕGHz Yj*+]ĈӝOӧL621 Fy[XKѭӟQJGӏFKYӅWҫQVӕWKҩSKѫQOѭӧQJNKRҧQJ*+].KҧQăQJSKӕLKӧSWUӣNKiQJQJ}YjR3$UҩWWӕWWKӇKLӋQWK{QJTXD611 FӫDPҥFKEpKѫQ-G%Wӯ-*+]7X\QKLrQWҥL*+]WKu611 WăQJOrQNKiQKLӅXOrQ ÿӃQ-G%GRVӵGӏFKFKX\ӇQWҫQVӕJLӕQJQKѭ6210һFGPҥFKNKXӃFKÿҥLÿѭӧFWKLӃWNӃYӟLѭXWLrQF{QJVXҩWQJ}UDWӕLÿDQKѭQJFKҩWOѭӧQJFӫD622 YүQNKiWӕWQKӓKѫQ-G%WURQJEăQJWK{QJWӯ*+]ÿӃQ*+]ĈӝFiFKO\612 FӫDPҥFKQKӓKѫQ-40 dB troQJEăQJWK{QJ-17 GHz
Hình 3-26 Thông s͙ >6@ÿRÿ̩c cͯa m̩ch khu͇FKÿ̩i Ku t̩LÿL͋m phân cc
Hình 3-27 So sánh thông s͙ [S] m̩ch khu͇FKÿ̩i Ku giͷa mô ph͗QJYjÿRÿ̩c
Hình 3-28 K͇t qu̫ ÿRÿ̩t ch̭WO˱ͫng phi tuy͇n m̩ch khu͇ch ÿ̩i công sṷt Ku
Hình 3-29 So sánh công sṷt, hi u sṷt m̩ch khu͇FKÿ̩i Ku giͷa k͇t qu̫ mô ph͗QJYjÿRÿ̩c
Hình 3-WKӇKLӋQFKҩWOѭӧQJFiFWK{QJVӕSKLWX\ӃQFӫDPҥFKNKXӃFKÿҥL
F{QJVXҩW.XĈLӇPQpQG%F{QJVXҩW31dB FӫDPҥFKÿҥWÿѭӧFNKRҧQJ dBm
&{QJVXҩWEmRKzD3sat ÿҥWÿѭӧFWӕLÿDWUrQG%PYӟLÿӝOӧLF{QJVXҩWOӟQKѫQ
G%WUrQEăQJWK{QJ-*+];pWWUrQEăQJWK{QJPRQJPXӕQ-17 GHz, F{QJVXҩWEmRKzDÿҥWÿѭӧFOӟQQKҩWOjG%PWѭѫQJÿѭѫQJ:WҥLWҫQVӕ GHz và tKҩSQKҩWOjG%PWѭѫQJÿѭѫQJ:WҥLWҫQVӕ*+]+LӋXVXҩW 3$(FӫDPҥFKOӟQKѫQӣWRjQEăQJWK{QJ-*+]WӕLÿDOjWҥL
*+]'zQJÿLӋQWLrXWiQӣFӵFGUDLQ,d WӕLÿDOj$WUrQWRjQEăQJWK{QJ
Hình 3-WKӇKLӋQNӃWTXҧVRViQKF{QJVXҩWYjKLӋXVXҩWJLӳDNӃWTXҧP{
SKӓQJYӟLNӃWTXҧÿRÿҥF0ӝWÿLӇPWѭѫQJÿӗQJVRYӟLNӃWTXҧÿRÿҥFFKҩWOѭӧQJPҥFKӣÿLӅXNLӋQWtQKLӋXQKӓOjVӵFKX\ӇQGӏFKFӫDWK{QJVӕFKҩWOѭӧQJYӅWҫQVӕWKҩSPӝWOѭӧQJNKRҧQJ0+]ĈLӅXQj\Fy WKӇJLҧLWKtFKGӵDWUrQVӵNKiFQKDXJLӳDP{KuQKP{SKӓQJYjP{KuQKÿRÿҥFWKӵFWӃFӫDWӯQJOLQKNLӋQWӯQJWKjQKSKҫQFKLWLӃW9tGөQKѭWKӵFWӃWKuFiFWKjQKSKҫQNtVLQKFӫDWUDQVLVWRUFyҧQKKѭӣQJPҥQKKѫQVRYӟLNKLP{SKӓQJGүQÿӃQÿiSWҫQVӕFӫD WUDQVLVWRUFNJQJEӏGӏFKFKX\ӇQYӅWҫQVӕWKҩS+ѫQQӳDWURQJTXiWuQKFKӃWҥRVӁ[ҧ\UDFiFVDLVӕYӅÿӝUӝQJÿӝOӗLO}PFӫDFiFÿѭӡQJGk\NӃWQӕLFiFOLQKNLӋQWKөÿӝQJFNJQJVӁWҥRUDVӵVDLOӋFKNKL ÿRÿҥFFKҩWOѭӧQJPҥFKҦQKKѭӣQJFӫD3&%ÿӃQFKҩWOѭӧQJPҥFKFNJQJOjPӝW\ӃXWӕÿѭӧF[HP[pWNKLJLҧLWKtFKVӵNKiFQKDXQj\
KӃt luұn
&KѭѫQJYӯDWUuQKEj\[RQJWRjQEӝTXiWUuQKWKLӃWNӃFKӃWҥRYjÿRÿҥF PҥFKNKXӃFKÿҥLF{QJVXҩW.X%ҧQJ-WәQJKӧSVRViQKFiFNӃWTXҧP{SKӓQJÿR ÿҥFYӯDWUuQKEj\ӣSKҫQWUrQFQJYӟLFiFGӳOLӋXÿӅ[XҩWO~FÿҫXGӵDWUrQFiFVҧQ SKҭPFӫDF{QJW\4RUYR1KuQFKXQJFiFWK{QJVӕNƭWKXұWWӯNӃWTXҧP{SKӓQJÿӅX ÿҥWVRYӟLÿӅ[XҩWEDQÿҫXÿһWUDQJRҥLWUӯÿӝOӧLF{QJVXҩWFNJQJQKѭÿӝOӧLWtQKLӋX
QKӓ621 có ÿӝOӟQWKD\ÿәLNKiOӟQWURQJEăQJWK{QJPRQJPXӕQ-*+]9ӅNӃW
TXҧÿRÿҥFF{QJVXҩWQJ}UDJҫQQKѭÿҥWÿѭӧFQKѭWK{QJVӕÿӅ[XҩWOjG%PQJRҥLWUӯWҥLWҫQVӕFDR*+]OjG%P+LӋXVXҩWFӫDPҥFKNKLÿRÿҥFEӏVX\JLҧPWUXQJEuQKNKRҧQJGRF{QJVXҩWQJ}UDEӏJLҧPĈӝOӧLF{QJVXҩWYjÿӝOӧLWtQKLӋXQKӓ621 JүQQKѭYүQJLӳÿѭӧFVRYӟLP{SKӓQJ,QSXWUHWXUQORVV611 và output return loss S22 YүQFyJLiWUӏWUXQJEuQKWӕWKѫQVRYӟLÿӅ[XҩW.ӃWTXҧÿRÿҥFÿmÿѭӧFJLҧLWKtFKWӯVӵҧQKKѭӣQJFӫDFiFWiFÿӝQJWKӵFWӃ[ҧ\UDOrQFKҩWOѭӧQJFӫDPҥFK
0ӝWYjLÿLӅXFKӍQKQKӓӣNKkXWKLӃWNӃGӵDWUrQNӃWTXҧÿRÿҥFQj\VӁJL~SFKRPҥFK ÿҥWÿѭӧFFiFWK{QJVӕFKҩWOѭӧQJ\rXFҫXEDQÿҫXÿӅUDFKRSKLrQEҧQWLӃSWKHR&KҩW OѭӧQJVDXNKLÿRÿҥFFӫDPҥFK.X3$JҫQWѭѫQJÿѭѫQJYjFyWKӇVRViQKÿѭӧFYӟL FiFFKLSWKѭѫQJPҥLPӟLUDPҳWJҫQÿk\YjÿDQJKLӋQFyWUrQWKӏWUѭӡQJ6ӵWKjQK F{QJFӫDPҥFKNKXӃFKÿҥL.XJL~SWҥRWLӅQÿӅYӳQJFKҳFÿӇWKLӃWNӃPҥFKNKXӃFK ÿҥLF{QJVXҩWӣEăQJWҫQ.DÿѭӧFWUuQKEj\WURQJFKѭѫQJWLӃSWKHR
%̫QJ-%̫QJVRViQKFͯDP̩FKNKX͇FKÿ̩LF{QJVX̭W.X
7K{QJVӕWKLӃWNӃ ĈѫQYӏ ĈӅ[XҩW 0{SKӓQJ ĈRÿҥF
&{QJQJKӋ 250nm GaN 250nm GaN 250nm GaN
7ҫQVӕKRҥWÿӝQJ GHz 15-17 15-17 15-17
+LӋXVXҩW3$( % 28 29.5-33.8 21.5-26.38 ĈӝOӧLF{QJVXҩW dB 21 20.8-21.5 20.63-23.7 ĈӝOӧLWtQKLӋXQKӓ6 21 dB 29.5 24.3-30 23-30
Giӟi thiӋu
+ӋWKӕQJWK{QJWLQKLӋQÿҥLQJj\QD\ÿDQJÿѭӧFWұSWUXQJSKiWWULӇQӣEăQJWҫQVӕPP:DYHÿӇÿӕLSKyYӟLYҩQÿӅWKLӃXKөWEăQJWK{QJPjFiFQKjFXQJFҩSGӏFKYөPҥQJNK{QJGk\ÿDQJSKҧLÿӕLPһW&iFEăQJWҫQPP:DYHQKѭ.DEDQGFy ѭXÿLӇPEѭӟFVyQJUҩWQJҳQFKRSKpSWUX\ӅQGӳOLӋXOӟQWURQJNKRҧQJWKӡLJLDQUҩWQJҳQVRYӟLFiFEăQJWҫQWKҩSKѫQPjYүQÿҧPEҧRÿѭӧFFKҩWOѭӧQJGӳOLӋX0ҥFKNKXӃFKÿҥLF{QJVXҩW.DOjPӝWSKҫQWӱTXDQWUӑQJEұFQKҩWWURQJQKLӅXKӋWKӕQJ ÿLӋQWӱWK{QJWLQWKѭѫQJPҥLYjTXkQVӵ0ӝWVӕӭQJGөQJÿLӇQKuQKFӫDPҥFKNKXӃFK ÿҥLF{QJVXҩWEăQJWҫQPP:DYH.DFyWKӇNӇÿӃQOjPҥQJY{WX\ӃQ*KӋWKӕQJ thu SKiWWtQKLӋXYӋWLQK96$7FiFKӋWKӕQJFKLӃQWUDQKÿLӋQWӱÿRÿҥFWKӱQJKLӋP &KѭѫQJQj\VӁWұSWUXQJWUuQKEj\WҩWFҧFiFYҩQÿӅOLrQTXDQÿӃQÿӅWjLFKtQKOjWKLӃWNӃYLPҥFKNKXӃFKÿҥLӣEăQJWҫQVӕ.DVӱGөQJF{QJQJKӋQP*D1
Công nghӋ thiӃt kӃ
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Hình 4-WKӇKLӋQFҩXWU~FFKLWLӃWWURQJVXEVWUDWHFӫDF{QJQJKӋQP*D1
&iFÿһFWUѭQJFӫDVXEVWUDWHӣF{QJQJKӋQP*D1JҫQ QKѭJLӕQJYӟLVXEVWUDWHӣ F{QJQJKӋQP*D1ÿmÿѭӧFWUuQKEj\ӣSKҫQ
7URQJF{QJQJKӋQj\WUDQVLVWRUF{QJVXҩWFNJQJÿѭӧFSKkQFKLDWKjQKKDLORҥLFKtQKOj,69Yj269&QJYӟLFiFSKkQWtFKӣSKҫQWUDQVLVWRU,69ÿѭӧFOӵDFKӑQÿӇWKLӃWNӃFKRPҥFKNKXӃFKÿҥLF{QJVXҩW.D0ӝWQKѭӧFÿLӇPFӫDF{QJQJKӋQj\OjVӕOѭӧQJWUDQVLVWRUÿѭӧFOӵDFKӑQOjFyJLӟLKҥQWURQJWұSFiFWUDQVLVWRUÿm ÿѭӧFNLӇPFKӭQJWK{QJTXDÿRÿҥFWҥRNKyNKăQNKLWKLӃWNӃVѫÿӗF{QJVXҩW3%3YӟL ÿӝNKҧWKLFDR/D\RXWFӫDFiFWUDQVLVWRUQj\ÿѭӧFWKӇKLӋQӣKuQK-WKHRWKӭWӵWӯWUiLVDQJ SKҧL[Pm, 6x50Pm, 6x75Pm, 8x100Pm
Hình 4-1 C̭u trúc substrate cͯa công ngh 150nm GaN
Hình 4-/D\RXWFiFWUDQVLVWRUÿmÿ˱ͫFÿRÿ̩c ki͋m chͱng ( 4x50 mP ,6x50 mP ,6x75
Pm,8x100 mP theo thͱ t tͳ trái sang ph̫i)
Thách thӭc
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Thông sӕ thiӃt kӃ YjWtQKWRiQVѫÿӗ công suҩt
7K{QJTXDNKҧRViWFiFFKLS00,&3$FӫDKmQJ4RUYRKLӋQFyWKӏWUѭӡQJFNJQJQKѭNKҧQăQJFӫDF{QJQJKӋWKLӃWNӃWK{QJVӕWKLӃWNӃFӫDPҥFKNKXӃFKÿҥLF{QJVXҩWÿѭӧFÿӅ[XҩWӣEҧQJ-7URQJEҧQJQj\WK{QJVӕNtFKWKѭӟFFyJLiWUӏ
OӟQKѫQQKLӅXVRYӟLFiFFKLSWKѭѫQJPҥL1JX\rQQKkQNtFKWKѭӟFOӟQOjGR4RUYR VӱGөQJVXEVWUDWH6L&PFKRSKpSFiFEDFNYLDFyNtFKWKѭӟFQKӓKѫQJҫQPӝW QӱDVRYӟLF{QJQJKӋ6L&PKLӋQÿDQJGQJÿӇWKLӃWNӃÿLӅXQj\ÿӗQJQJKƭD YӟLFQJPӝWVL]HWUDQVLVWRUNtFKWKѭӟFFKLӅXFDRFӫDQyErQF{QJQJKӋ4RUYRVӁEp KѫQPӝWQӱDVRYӟLF{QJQJKӋKLӋQWҥL
%̫QJ-1 &iFWK{QJV͙WKL͇WN͇FͯDP̩FKNKX͇FKÿ̩LF{QJVX̭W.D
&{QJQJKӋ*D1 150nm 150nm 150nm 150nm 150nm
&{QJVXҩWEmR hòa ngõ ra dBm 33 41.2 40 38.4 40
+LӋXVXҩW3$( % 17 15 22 32 15 ĈӝOӧLF{QJVXҩW dB 18 14 16 16 14 ĈӝOӧL6 dB 23 5 25 25 15
Hình 4-WKӇKLӋQVѫÿӗWtQKWRiQF{QJVXҩWFKLWLӃWFKRPҥFKNKXӃFKÿҥLF{QJ VXҩW.D7ҩWFҧFiFWUDQVLVWRUÿӅXÿѭӧFSKkQFӵFӣOӟS$%YӟLÿLӋQiS9G=-1.8 V WѭѫQJӭQJYӟLGzQJÿLӋQ,DQG1 mA) và VD)&iFWUӣNKiQJWӕLѭXQJ}YjR QJ}UDWKXÿѭӧFWӯP{SKӓQJORDGSXOOWҥLWҫQVӕWUXQJWҫPOj*+]WUDQVLVWRU
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G%PӣWҫQJ0ӝWWUDQVistor 6x75Pm FyPӭFF{QJVXҩWG%PYjVX\KDR PҥFK,601OjG%FQJYӟLG%GRFKLDF{QJVXҩWÿѭӧFVӱGөQJӣWҫQJÿҫXÿӇOiL ÿѭӧFWUDQVLVWRUWҫQYӟLF{QJVXҩW3in G%PĈӝOӧLF{QJVXҩWWKHRVѫÿӗQj\ÿҥW ÿѭӧFG%
Hình 4-6˯ÿ͛ công sṷt chi ti͇t cͯa m̩ch khu͇FKÿ̩i Ka
ThiӃt kӃ các mҥch phӕi hӧp trӣ kháng
7ӯFiFWtQKWRiQӣVӣÿӗFKLWLӃWF{QJVXҩWKuQK-FiFPҥFKSKӕLKӧSWUӣ NKiQJFyWKӇEҳWÿҫXÿѭӧFWKLӃWNӃYӟLFiFWUӣNKiQJWӕLѭX0өFWLrXFӫDWҩWFҧcác PҥFKSKӕLKӧSWUӣNKiQJOjVX\KDRSKҧLWKҩSQKҩWWURQJNKLYүQÿҧPEҧRNKҧQăQJ PDWFKLQJÿӫWӕWWUrQEăQJWK{QJPRQJPXӕQ1JRjLUDFiFFѫFKӃNKҳFSKөFGDR ÿӝQJFNJQJSKҧLÿѭӧFKLӋQWKӵFWUrQWӯQJPҥFKSKӕLKӧSWUӣNKiQJÿӇÿҧPEҧRWtQK әQÿӏQKFӫDPҥFKNKXӃFKÿҥL5~WNLQKQJKLӋPWӯNӃWTXҧÿRÿҥFPҥFKNKXӃFKÿҥL XPҥFKNKXӃFKÿҥL.DVӁÿѭӧFWKLӃWNӃӣEăQJWK{QJ-*+]FDRKѫQ*+] VRYӟL\rXFҫXÿӇWҥRUDÿӝGӳWUӳYӅWҫQVӕFҫQWKLӃWWӯFiFVDLOӋFKVDXNKLFKӃWҥR ắ 0̩FKSK͙LKͫSWUͧNKiQJ ngừ ra (OCMN)
/D\RXWFӫDPҥFK2&01ÿѭӧFWKӇKLӋQӣKuQK-0ҥFK2&01FyFKӭF QăQJYӯDSKӕLKӧSWUӣNKiQJWӯZout,opt = 2.939-j*6.617:WUӣNKiQJWӕLѭXQJ}UD FӫD WUDQVLVWRU [Pm YӅ WUӣ NKiQJ FKXҭQ 50: YӯD NӃW KӧS F{QJ VXҩW Wӯ WUDQVLVWRUÿѫQOҿÿӇWҥRUDPӭFF{QJVXҩWQJ}UDOӟQKѫQOҫQWѭѫQJÿѭѫQJYӟLG%
&ҩXWU~FEDQÿҫXFӫDPҥFKÿѭӧF[iFÿӏQKWӯÿӗWKӏ6PLWKYӟLQKLӅXFөP/&JL~SPӣUӝQJEăQJWK{QJĈӕLYӟLFiFWө ÿLӋQFyJLiWUӏQKӓKѫQI)&2WKuVӁÿѭӧFKLӋQWKӵFEҵQJFiFRSHQVWXEYӟLѭXÿLӇPYӅKӋVӕSKҭPFKҩWFDRFQJSURFHVVYDUDWLRQWKҩS &zQ FiF Wө Fy JLi WUӏ OӟQ VӁ ÿѭӧF KLӋQ WKӵF EҵQJ Wө ÿLӋQ 0,0 NӃW KӧS YӟL
EDFNYLD1KLӅXEDFNYLDVRQJVRQJÿѭӧFVӱGөQJYӟLPөFÿtFKOjPJLҧPNtVLQK5/ WӯEDFNYLDJL~SQkQJFDRKӋVӕSKҭPFKҩWWөÿLӋQFNJQJQKѭFҧLWKLӋQVX\KDRFӫD PҥFKSKӕLKӧSWUӣNKiQJĈѭӡQJGk\O/ 4 ÿѭӧFVӱGөQJÿӇOjP'&IHHGYӟLѭXÿLӇP WULӋWKjLEұFPӝWWURQJQKӳQJQJX\rQQKkQJk\VX\JLҧPKLӋXVXҩW&iFWөÿLӋQ decoupling Cde FyJLiWUӏOӟQÿѭӧFVӱGөQJVDXWөÿLӋQ&AC_ground FKRÿѭӡQJGk\O/ 4 JL~SWҥRUDPӝWÿѭӡQJELrQJURXQGEҧRYӋWӕWFKRPҥFKÿӗQJWKӡLWӕLѭXGLӋQWtFK WUӕQJWURQJPҥFK7ө ÿLӋQFKһQ'&&b ÿѭӧFWKLӃWNӃQKѭPӝWSKҫQWӱSKӕLKӧSWUӣ NKiQJWURQJPҥFK&iFÿLӋQWUӣ5odd ÿѭӧFWKrPYjRӣJLӳDFiFWUDQVLVWRUJL~SQJăQ FKһQGDRÿӝQJӣFKӃÿӝOҿĈLӋQWUӣ5D YjWөÿLӋQ&D ÿѭӧFVӱGөQJNӃWKӧSӣ'& IHHGJL~SQJăQFKһQGDRÿӝQJWҫQVӕ WKҩS
Hình 4-4 Layout m̩ch ph͙i hͫp trͧ kháng ngõ ra OCMN
Hình 4-WKӇKLӋQFKҩWOѭӧQJSKӕLKӧSWUӣNKiQJFӫDPҥFK2&01WK{QJTXD WK{QJVӕ>6@FӫDQy6X\KDR621 FӫDPҥFKÿҥWÿѭӧFWӕWQKҩWNKRҧQJG%YjWӋQKҩt NKRҧQJG%611 và S22 FӫDPҥFKÿӅXQKӓKѫQG%FKӭQJWӓNKҧQăQJSKӕLKӧS WUӣNKiQJFӫDPҥFKOjUҩWWӕW ắ 0̩FKSK͙LKͫSWUͧNKiQJOLrQW̯QJWKͱQK̭W,601
0ҥFKSKӕLKӧSWUӣNKiQJOLrQWҫQWKӭQKҩW,601FyFKӭFQăQJSKӕLKӧS JLӳDWUӣNKiQJQJ}UDFӫDWҫQJFyZout,opt = 5.457-j*18.319:YjWUӣNKiQJWӕLѭX QJ}YjRWҫQJQJ}UD=in,opt = 0.986+j*4.259:0ҥFK,601ÿѭӧFWKLӃWNӃNKiÿѫQ JLҧQYuFKӍOjPҥFKSKӕLKӧSWUӣNKiQJQJ}YjRQJ}UD+DLWөÿLӋQ&1 và C2 ÿѭӧF QӕLYӅJURXQGWK{QJTXDFөPEDFNYLDJL~SWLӃWNLӋPGLӋQWtFKFNJQJQKѭQkQJFDR KӋVӕSKҭPFKҩW7өÿLӋQ&b OjWөÿLӋQFKһQ'&ÿѭӧFKLӋQWKӵFKyDQKѭPӝWSKҫQWӱ SKӕLKӧSWUӣNKiQJ&һSÿLӋQWUӣWөÿLӋQ5s//Cs ÿѭӧFVӱGөQJÿӇәQÿӏQKQJ}YjRFӫD WUDQVLVWRU WҫQJ ӣ FKӃ ÿӝ GDR ÿӝQJ FKҹQ ĈLӋQ WUӣ 5odd ÿѭӧF Vӱ GөQJ JLӳD FiF WUDQVLVWRUWҫQJJL~SNKҳFSKөFGDRÿӝQJFKӃÿӝOҿӢSKtDQJ}UDWUDQVLVWRU[
PmPӝWWKDQKEXVEDUÿѭӧFVӱGөQJQӕLFKXQJWҩWFҧFiFFӵFGUDLQOҥLYӟLQKDXÿӇ WLӋQFҩS'&FKRWҩWFҧWUDQVLVWRU;pWYӅPһW$&WKDQKEXVEDUVӁÿѭӧF[HPOjKӣ PҥFKJLӳDFiFWUDQVLVWRUYӟLQKDXYuGO >@&ҩXWU~FÿѭӡQJGk\O/ 4 ÿѭӧFVӱGөQJ ÿӇFҩS'&FKRFҧ FӵFGUDLQYjJDWH&iFSKѭѫQJSKiSәQÿӏQKFӫDGDRÿӝQJWҫQVӕ WKҩSÿӅXÿѭӧFiSGөQJWULӋWÿӇ
Hình 4-6 Layout m̩ch ph͙i hͫp trͧ kháng liên t̯n thͱ nh̭t ISMN1
Hình 4-WKӇKLӋQFKҩWOѭӧQJFӫDPҥFK,601WK{QJTXD WK{QJVӕ>6@0һF GFKӍOjPҥFKSKӕLKӧSWUӣNKiQJSRUWYjRSRUWUDQKѭQJVX\KDRFӫDPҥFKNKi OӟQFDRQKҩWOjKѫQG%1JX\rQQKkQOjGR5s//Cs JL~SәQÿӏQKGDRÿӝQJFKӃÿӝ FKҹQQKѭQJYӟLFiLJLiOjVX\KDRFӫDPҥFKEӏWăQJOrQ611 và S22 FӫDPҥFKÿӅXQKӓ KѫQG%FKӭQJWӓPҥFKFyNKҧQăQJSKӕLKӧSWUӣNKiQJWӕW ắ 0̩FKSK͙LKͫSWUͧNKiQJOLrQW̯QJWKͱKDL,601
0ҥFKSKӕLKӧSWUӣNKiQJOLrQWҫQWKӭKDL,601FyFKӭFQăQJSKӕLKӧS JLӳDWUӣNKiQJWӕLѭXQJ}UDFӫDWҫQJFyZout,opt = 4.771-j*12.9: YjWUӣNKiQJWӕL ѭXQJ}YjRWҫQJ=in,opt = 2.153-j*2.523: ÿӗQJWKӡLFKLDF{QJVXҩWWӯWUDQVLVWRUWҫQJ TXDWҫQJYӟLWӍOӋWѭѫQJÿѭѫQJYӟLVX\KDRG%&iFWөÿLӋQQӕLÿҩW&1, C2,
C3 ÿӅXÿѭӧFKLӋQWKӵFYӟLQKLӅXEDFNYLDPҳFVRQJVRQJJL~SFҧLWKLӋQKӋVӕSKҭP FKҩWFNJQJQKѭVX\KDRFӫDPҥFK&iFELӋQSKiSNKҳFSKөFGDRÿӝQJÿӅXÿѭӧFiS GөQJWѭӧQJWӵӣPҥFK,601EDRJӗPÿLӋQWUӣ5odd NKҳFSKөFGDRÿӝQJFKӃÿӝOҿ
Rs//Cs [ӱOtGDRÿӝQJFKӃÿӝFKҹQ5D nt CD và RG JL~SNLӇPVRiWGDRÿӝQJӣWҩQVӕWKҩS&ҩXWU~FÿѭӡQJGk\O/ 4 NӃWKӧSYӟLFiFWөÿLӋQ&AC_ground FNJQJÿѭӧFVӱGөQJ ÿӇFҩS'&FKRFiF3$'GUDLQYjJDWH
Hình 4-8 Layout m̩ch ph͙i hͫp trͧ kháng liên t̯n thͱ hai ISMN2
Hình 4-WKӇKLӋQFKҩWOѭӧQJFӫDPҥFK,601WK{QJTXDWK{QJVӕ>6@FӫDQy 0ҥFK,601FyVX\KDRWӕWQKҩWOjG%YjWӋQKҩWOrQÿӃQNKRҧQJG%611 và
S22 FӫDPҥFKÿӅXQKӓKѫQG%FKӭQJWӓPҥFK FyNKҧQăQJSKӕLKӧSWUӣNKiQJWӕW
&һSÿLӋQWUӣWөÿLӋQ5V&VJL~SәQÿӏQKQJ}YjRFӫDWҫQJQKѭQJÿiQKÿәLYӟLVX\ KDRFӫDPҥFKWăQJOrQ ắ 0̩FKSK͙LKͫSWUͧNKiQJOLrQW̯QJWKͱED,601YjP̩FKSK͙LKͫSWUͧ kháng ngõ vào (IMN)
Hình 4-10 Layout m̩ch ph͙i hͫp trͧ kháng liên t̯n thͱ ba ISMN3 và m̩ch ph͙i hͫp trͧ kháng ngõ vào IMN
0ҥFKSKӕLKӧSWUӣNKiQJOLrQWҫQWKӭED,601FyFKӭFQăQJSKӕLKӧSJLӳD WUӣNKiQJWӕLѭXQJ}UDFӫDWҫQJFyZout,opt = 3.627-j*13.307: và tUӣNKiQJWӕLѭX QJ}YjRWҫQJ=in,opt = 1.914-j*1.538:1JRjLUDPҥFK,601FzQFyFKӭFQăQJ FKLDF{QJVXҩWWӯWUDQVLVWRUWҫQJÿҫXTXDFKRWҫQJYӟLWӍOӋWѭѫQJÿѭѫQJYӟLVX\ KDRG%0ҥFKSKӕLKӧSWUӣNKiQJQJ}YjR,01FyFKӭFQăQJSKӕLKӧSWUӣNKiQJ WӯWUӣNKiQJFKXҭQ: YӅWUӣNKiQJWӕLѭXQJ}YjRWҫQJÿҫXOj=in,opt = 1.852- j*1.582:&iFWөÿLӋQQӕLÿҩW&1, C2, C3, C4 ÿӅXÿѭӧFKLӋQWKӵFYӟLQKLӅXEDFNYLD PҳFVRQJVRQJÿӇFҧLWKLӋQKӋVӕSKҭPFKҩWFNJQJQKѭOjVX\KDRFӫDPҥFK7ҩWFҧ FiFSKѭѫQJSKiSәQÿӏQKÿӅXÿѭӧFiSGөQJWULӋWÿӇWѭѫQJWӵYӟLKDLPҥFK,601 Yj,6017өÿLӋQGHFRXSOLQJFyJLiWUӏOӟQ&de ÿѭӧFVӱGөQJÿӇEҧRYӋPҥFKNKӓL QKLӉXWӯFiFWiFÿӝQJErQQJRjLÿӗQJWKӡLWLӃWNLӋPÿѭӧFGLӋQWtFKWUӕQJWURQJFKLS
Hình 4-WKӇKLӋQFKҩWOѭӧQJFӫDPҥFK,6010ҥFKFyVX\KDRWӕWQKҩWOj
G%YjOӟQQKҩWOjNKRҧQJG%611 và S22 FӫDPҥFKÿӅXFyJLiWUӏQKӓKѫQG% WUrQWRjQEăQJWK{QJPRQJPXӕQ
Hình 4-ELӇXGLӉQWK{QJVӕ>6@FӫDPҥFKSKӕLKӧSWUӣNKiQJQJ}YjR,010ҥFKQj\ÿѭӧFWKLӃWNӃÿѫQJLҧQQKҩWWURQJWҩWFҧFiFPҥFKYӟLVX\KDRYѭӧWWUӝLQKӓKѫQG%WUrQWRjQEăQJWK{QJWӕWQKҩWFyWKӇÿҥWÿѭӧFG%611 và S22 FӫDPҥFK,01ÿӅXUҩWWӕWFyJLiWUӏQKӓKѫQ-G%WUrQWRjQEăQJWK{QJ-42 GHz
KӃt quҧ mô phӓng toàn bӝ mҥch khuӃFKÿҥi công suҩt
Hình 4-13 Layout toàn b͡ m̩ch khu͇FKÿ̩i Ka
Hình 4-13 tKӇKLӋQFKROD\RXWFӫDWRjQEӝPҥFKNKXӃFKÿҥLF{QJVXҩWӣEăQJWҫQ.D'LӋQWtFKGLHWәQJFӝQJFӫDPҥFKOj[PP 2 &iFFKLWLӃWYӅOD\RXWÿm ÿѭӧFWUuQKEj\WURQJSKҫQWKLӃWNӃFiFPҥFKSKӕLKӧSWUӣNKiQJ&iF3$'QJXӗQFӵFJDWHYjFӵFGUDLQÿѭӧFWiFKUӡLÿӇWLӋQFKRTXiWUuQKGHEXJGDRÿӝQJVDXNKLFKӃWҥRWURQJWUѭӡQJKӧSFy[ҧ\UDGDRÿӝQJ/D\RXWQj\ÿmYѭӧWTXDFiFNLӇPWUDYӅ'5&OүQ/96FӫDF{QJQJKӋQP*D1WӯQKjVҧQ[XҩWWUѭӟFNKLJӱLÿLFKӃWҥR
Hình 4-14 Thông s͙ [S] toàn b͡ m̩ch khu͇FKÿ̩i Ka
Hình 4-ELӇXGLӉQWK{QJVӕ>6@FӫDWRjQEӝPҥFKNKXӃFKÿҥL.D7UrQWRjQ EăQJWK{QJ-*+]ÿӝOӧLWtQKLӋXQKӓ621 FӫDPҥFKÿҥWÿѭӧFWUrQG%OӟQ QKҩWOjG%0һFGFiFPҥFKSKӕLKӧSWUӣNKiQJÿӅXÿѭӧFWKLӃWNӃWUrQEăQJWK{QJ tӯ± *+]QKѭQJGRÿһFWtQKEăQJKҽSFӫDWUDQVLVWRUNK{QJÿӫÿӇÿiSӭQJÿӝ OӧLWҥLWҫQVӕ*+]621.2 dB) S11 và S22 ÿӅXQKӓKѫQ-G%WUrQWRjQEӝEăQJ WK{QJWӯ-*+]FKӭQJWӓNKҧQăQJSKӕLKӧSWUӣNKiQJFӫDPҥFK,01Yj2&01 YӅWUӣNKiQJFKXҭQ: UҩWWӕW
Hình 4-15 Công sṷt, hi u sṷt cͯa m̩ch khu͇FKÿ̩i Ku vͣi Pin& dBm
Hình 4-WKӇKLӋQNӃWTXҧP{SKӓQJF{QJVXҩWYjKLӋXVXҩWFӫDWRjQEӝPҥFK NKXӃFKÿҥLEăQJWҫQ.DWKHRWҫQVӕӭQJYӟLPӭFF{QJVXҩWQJ} vào là 26 dBm Công VXҩWQJ}UDÿҥWÿѭӧFWUrQG%PWӯ-*+]WӕLÿDOjG%PWҥLWҫQVӕ
*+]+LӋXVXҩW3$(FӫDPҥFKÿҥWÿѭӧFOӟQKѫQWUrQEăQJWK{QJ-41.6 GHz, WӕLÿDOjWҥLWҫQVӕ*+]
Hình 4-ELӇXGLӉQFKҩWOѭӧQJSKLWX\ӃQFӫDPҥFKNKXӃFKÿҥL.DNKLWKD\ ÿәLF{QJVXҩWQJ}YjRWӯ-ÿӃQG%PӭQJYӟLQKLӅXWҫQVӕNKiFQKDXWӯ-42
*+]ĈLӇPQpQG%F{QJVXҩWQJ}YjR3in,1dB OjG%P&{QJVXҩWQJ}YjRFyWKӇ FDRKѫQ31dB ÿӇÿҥWÿѭӧFPӭFF{QJVXҩWEmRKzDFNJQJQKѭKLӋXVXҩW3$(WӕLѭXYt GөQKѭWҥL3in G%PQKѭQJVӁÿiQKÿәLYӅÿӝOӧLF{QJVXҩW'zQJÿLӋQ'&FӵF GUDLQFӫDPҥFKEmRKzDWҥL$NKLF{QJVXҩWQJ}YjRWăQJOrQFDR9ӟLÿLӋQiSFӵF GUDLQOj9WKuF{QJVXҩWWәQKDRFӫDWRjQEӝPҥFKNKXӃFKÿҥL.a là 60W
Hình 4-16 Ch̭WO˱ͫng m̩ch khu͇FKÿ̩i Ka theo công sṷt ngõ vào
Hỡnh 4-17 a H s͙ ͝Qÿ͓nh à YjEĈ͡ lͫi S 21 cͯa m̩ch khu͇FKÿ̩i cụng sṷt Ku
Hình 4-WKӇKLӋQNӃWTXҧ NLӇPWUDRGDRÿӝQJFӫDWRjQEӝPҥFKNKXӃFKÿҥL DWKHRÿӏQKOt5ROOHWNKLWKD\ÿәLÿLӋQiSSKkQFӵF9D WӯÿӃQ9EѭӟFQKҧ\
V và VG Wӯ-9ÿӃQ-9EѭӟFQKҧ\9+uQK-DFKRWKҩ\KӋVӕәQÿӏQKOӟQ
KѫQWURQJNKRҧQJWҫQVӕWӯ-*+]FKӭQJWӓPҥFKәQÿӏQKNK{QJÿLӅXNLӋQ
Hình 4-EFKRWKҩ\ÿӝOӧL621 FӫDPҥFKNKLÿLӇPSKkQFӵFEӏWKD\ÿәLĈӝOӧLӣ
YQJWҫQVӕWKҩSEӏWULӋWӣPӭFDQWRjQJL~SJLҧPQJX\FѫGDRÿӝQJVDXNKLFKӃWҥR
Hình 4-18 K͇t qu̫ ki͋PWUDGDRÿ͡ng ͧ mi͉n tuy͇n tính b̹ng WS probe khi thay ÿ͝LÿL n áp phân cc V D =[0:28:1] V, V G =[-5:-1.4:0.1] V a) b)
Hình 4-WKӇKLӋQNӃWTXҧNLӇPWUDGDRÿӝQJWKHRÿӏQKOt.XURNDZDNKLWKD\ ÿәLÿLӋQiSSKkQFӵFVD=[0:28:1] V, VG=[-5:-1.4:0.1] V Test-EHQFKNLӇPWUDGDRGӝQJ FӫDPҥFKNKXӃFKÿҥL.DWѭѫQJWӵYӟLPҥFKNKXӃFKÿҥL.XÿmÿѭӧFWUuQKEj\WURQJ SKҫQ3KҫQWKӵFFӫD'3$ӣSKҫQQJ}UDFӫDWҩWFҧFiFWUDQVLVWRUKjQJWKӭWӯ WUrQ[XӕQJYjQJ}YjRFӫDWҫQJWKӭÿӗWKӏQJRjLFQJKjQJÿӅXOӟQKѫQWӭF OjNK{QJEӏGDRÿӝQJӣQKӳQJYӏWUtQj\
7ҥLQJ}YjRFӫDWUDQVLVWRUWҫQJYj[XҩWKLӋQQKӳQJYӏWUtPjSKҫQWKӵFFӫD '3$EpKѫQWҥLYQJWҫQVӕ-*+]FKRQJ}YjRWUDQVLVWRUWҫQJYjYQJWҫQ Vӕ-*+]FKRQJ}YjRWUDQVLVWRUWҫQJWURQJYQJÿLӋQiS9D=[1:22] V, VG=[- 2:-@9FKRQrQSKҫQҧRFӫD'3$SKҧLÿѭӧF[HP[pWÿӇNӃWOXұQWtQKGDRÿӝQJFӫD PҥFK+uQK-P{WҧFKRÿiSӭQJWLrXELӇXFӫD'3$WҥLÿLӋQiS9D=5 V, VG=-1.4 9QҵPWURQJYQJÿLӋQiSFySKҫQWKӵF'3$kP9D=[1:22] V, VG=[-2:-@9.ӃW TXҧQj\FKRWKҩ\SKҫQҧRFӫD'3$NK{QJWKӓDPmQÿLӅXNLӋQGDRÿӝQJ.XURNDZD KD\PҥFKNKXӃFKÿҥL.DәQÿӏQKWҥLQJ}YjRFӫDWUDQVLVWRUWҫQJYjWҫQJĈLӅXQj\ WѭѫQJWӵYӟLFiFÿLӋQiSNKiFWURQJYQJÿLӋQiSFySKҫQWKӵF'3$EpKѫQ 7ҥLQJ}YjRFӫDWUDQVLVWRUWҫQJSKҫQWKӵFFӫD'3$FyJLiWUӏEpKѫQWҥL YQJWҫQVӕ-*+]YӟLÿLӋQiS9D =[2:4] V và VG=-1.8 V và 50.4-53 GHz YӟLÿLӋQiS9' >@9Yj9* >-1.6:-1.4] V Hình 4-OjNӃWTXҧNLӇPWUDGDR ÿӝQJWҥLÿLӋQiSWLrXELӇXWUrQYQJÿLӋQiSGDRÿӝQJWUrQ7ӯÿӗWKӏFKRWKҩ\ ÿӏQKOtGDRÿӝQJ.XURNDZDNK{QJÿѭӧFWKӓDPmQĈLӅXQj\WѭѫQJWӵFKRFiFÿLӋQiS NKiFWURQJYQJÿLӋQiSFySKҫQWKӵF'3$7ӯFiFNӃWTXҧP{SKӓQJWUrQPҥFK D3$ÿѭӧFNӃWOXұQNK{QJFyGDRÿӝQJӣPLӅQWX\ӃQWtQKWKHRÿӏQKOt.XURNDZD
Hình 4-19 K͇t qu̫ ki͋PWUDGDRÿ͡ng ͧ mi͉n tuy͇n tính b̹ng WS probe t̩i ngõ vào transistor t̯n 1 và t̯n 2 t̩LÿL n áp V G =-1.4 V, V D =5 V
Hình 4-20 K͇t qu̫ ki͋PWUDGDRÿ͡ng ͧ mi͉n tuy͇n tính b̹ng WS probe t̩i ngõ vào transistor t̯n 3 t̩LÿL n áp V D =3 V, V G =-1.8 V & V D ' V, V G =-1.4 V
Hình 4-21 K͇t qu̫ ki͋PWUDGDRÿ͡ng ͧ mi͉n phi tuy͇n b̹ng WS probe
Hình 4-WKӇKLӋQNӃWTXҧNLӇPWUDGDRÿӝQJӣPLӅQSKLWX\ӃQӭQJYӟLF{QJ
VXҩWQJ}YjR3LQWKD\ÿәLWӯ-30 dBPWҥLÿLӇPSKkQFӵFWƭQK9G=-1.8 V và VD 97ҫQVӕNKҧRViWOj*+]NKLÿyWҫQVӕTXpWÿӇNLӇPWUDGDRÿӝQJVӁWKD\ÿәLWӯ0-*+]7ӯÿӗWKӏWUrQFyWKӇWKҩ\WҩWFҧFiFSKҫQWKӵFFӫD'3$ÿӅXFyJLiWUӏOӟQKѫQKD\PҥFKNKXӃFKÿҥLәQÿӏQKӣPLӅQ SKLWX\ӃQ
KӃt quҧ ÿRÿҥc thӵc tӃ
Hình 4-22 Hình chͭp thc t͇ die chip cͯa m̩ch khu͇FKÿ̩i công sṷt Ka
Hình 4-WKӇKLӋQGLHFKLSFӫDPҥFKNKXӃFKÿҥLF{QJVXҩW.DVDXNKLFKӃWҥR GѭӟLNtQKKLӇQYL&iFÿѭӡQJGk\ERQGLQJÿӅXÿѭӧFOjPEҵQJYjQJYӟLPөFWLrXKҥQ FKӃҧQKKѭӣQJÿӇFKҩWOѭӧQJFӫDPҥFK7ҥLQKӳQJYӏWUtTXDQWUӑQJQKѭQJ}YjRYj QJ}UDPҥFKNKXӃFKÿҥLWULSSOHERQGLQJÿѭӧFVӱGөQJÿӇOjPJLҧPJLiWUӏÿѭӡQJ Gk\ÿLӋQWUӣNtVLQK
Hình 4-ELӉXGLӉQPҥFK3&%ÿѭӧFWKLӃWNӃGQJÿӇÿRÿҥFPҥFKNKXӃFKÿҥLF{QJVXҩW.D9uWҫQVӕKRҥWÿӝQJFӫDPҥFKUҩWFDRQrQӣQJ}YjRQJ}UDFӫDPҥFKNKXӃFKÿҥLÿѭӧFWKLӃWNӃVӱGөQJYӟLZDYHJXLGHWR60$FRQQHFWRUÿӇJLҧPWKLӇX ҧQKKѭӣQJÿӃQFKҩWOѭӧQJPҥFK&iFGk\ÿLӋQÿѭӧFQӕLUDWӯFiF3$''&JL~SYLӋF ÿRÿҥFSKkQFӵFFiFWUDQVLVWRUÿѭӧFGӉGjQJKѫQ7RjQEӝ3&%ÿѭӧFÿһWWUrQPLӃQJWҧQQKLӋWFKX\rQGөQJÿһWELӋWJL~SGүQF{QJVXҩWWLrXWiQFӫD3$UDQJRjLQkQJFDRFKҩWOѭӧQJFNJQJQKѭWXәLWKӑFӫDPҥFKNKXӃFKÿҥL
Hình 4-23 PCB h͟ trͫ ÿRÿ̩c m̩ch khu͇FKÿ̩i công sṷt Ka
6DXNKL3&%ÿѭӧFOҳSUiSVҹQVjQJTXiWUuQKÿRÿҥFPҥFKNKXӃFKÿҥLEҳWÿҫX YӟLF{QJÿRҥQSKkQFӵFGFFKRWӯQJWUDQVLVWRUWӯFҧSKtDFӫDPҥFKNKXӃFKÿҥL.D 7KHRQKѭWtQKWRiQWӯVѫÿӗF{QJVXҩWӣKuQK-GzQJÿLӋQWƭQKGFӣWҫQJWҫQJ WҫQJWҫQJOҫQOѭӧWOjP$P$P$P$&iFWUѭӡQJKӧSSKkQFӵF VDXÿѭӧFWLӃQKjQKOҫQOѭӧWÿӕLYӟLPҥFKNKXӃFKÿҥLF{QJVXҩW.D ắ 7U˱ͥQJKͫS9 D =V D1 =V D2 =V D3 =V D4 =5V
Khi VG1 ÿѭӧFWăQJGҫQÿӃQNKL,D1 YѭӧWTXDQJѭӥQJP$9G1=-1.679 V) thì dòng ID1 EҳWÿҫXFyKLӋQWѭӧQJWKD\ÿәLOLrQWөFNK{QJNLӇPVRiWÿѭӧFĈLӅXQj\FKӭQJWӓWҫQJÿmEӏGDRÿӝQJ9uYұ\GzQJ,D1 VӁÿѭӧFFӕÿӏQKӣPӕFNKRҧQJP$FKRPӑLWUѭӡQJKӧSÿRÿҥFYӅVDX7LӃSWKHRWҫQJÿѭӧFSKkQFӵFEuQKWKѭӡQJFKRÿӃQNKL,D2 = 40 mA (VG2=-97ҫQJÿѭӧFSKkQFӵFEuQKWKѭӡQJFKR ÿӃQNKL,D3 = 110 mA (VG3=-97ѭѫQJWӵWҫQJÿѭӧFSKkQFӵFEuQKWKѭӡQJFKRÿӃQNKL,D4)0 mA (VG4=-1.55 V)
Hình 4-ELӇXGLӉQWK{QJVӕ>6@FӫDPҥFKNKXӃFKÿҥLF{QJVXҩW.DӣWUѭӡQJ KӧSSKkQFӵF7ҫQVӕFDRQKҩWÿRÿѭӧFOj*+]YuJLӟLKҥQWUrQFӫDPi\SKkQ WtFKPҥQJ1HWZRUN$QDO\]HUĈӝOӧLFӫDPҥFKNKXӃFKÿҥL.D621 O~FQj\FyJLiWUӏ EpKѫQG%YuÿLӋQiS9D 9FzQNKiWKҩSVRYӟLÿLӋQiSKRҥWÿӝQJOj9611 FӫD PҥFKO~FQj\UҩWWӕWEpKѫQ-G%WUrQEăQJWK{QJWӯ-40 GHz S22 lúc này NK{QJSKҧLFӫDPҥFK.D3$YuFҩXKuQKVҹQFyWӯP{KuQKÿRÿҥFNK{QJFKRSKpS ÿѭӧFÿѭӧFWK{QJVӕQj\FKtQK[iF
Hình 4-24 Thông s͙ >6@ÿRÿ̩c cͯa m̩ch Ka PA ͧ WU˱ͥng hͫp phân cc 1 ắ 7U˱ͥQJKͫS9 D =V D1 =V D2 =V D3 =V D4 V
7ѭѫQJ Wӵ YӟL WUѭӡQJ KӧS YӟL WҩW Fҧ 9D 9 WҫQJ ÿѭӧF SKkQ FӵF ÿӃQ
ID1.1 mA (VG1=-9WKuEҳWÿҫXEӏGDRÿӝQJ7ҫQJWҫQJWҫQJÿѭӧF
SKkQFӵFEuQKWKѭӡQJYӟLGzQJ ID2@.2 mA (VG2=-1.618 V), ID30 mA (VG3=-1.578 V), ID400 mA (VG4=-9ӢÿLӋQiS9D 9FKӍFyWҫQJEӏGDRÿӝQJ Hình 4-P{WҧWK{QJVӕ>6@FӫDPҥFK.D3$ӣWUѭӡQJKӧSQj\621 FӫDPҥFKEҳWÿҫXOӟQKѫQG%OӟQQKҩWOjKѫQG%WURQJEăQJWK{QJWӯ-*+]NKLWҩWFҧ9D ÿѭӧFWăQJOrQ97ҥLWҫQVӕWKҩSKѫQOj*+]WKu621 ÿҥWÿѭӧFJLiWUӏOӟQKѫQG%611 FӫDPҥFK.D3$YүQUҩWWӕWQKӓKѫQ-G%WUrQEăQJWK{QJNKiUӝQJWӯ-*+]0һFGFKѭDÿ~QJÿLӇPSKkQFӵFKRҥWÿӝQJQKѭQJFyWKӇWKҩ\EăQJWK{QJFӫDPҥFKNKiUӝQJYjFy[XKѭӟQJGӏFKFKX\ӇQYӅWҫQVӕWKҩS
Hình 4-25 Thông s͙ >6@ÿRÿ̩c cͯa m̩ch Ka PA ͧ WU˱ͥng hͫp phân cc 2 ắ 7U˱ͥQJKͫS9 D =V D1 =V D2 =V D3 =V D4 V
9ӟLWҩWFҧ9D 9WҫQJÿѭӧFSKkQFӵFÿӃQ,D1 mA (VG1=-1.705 V) thì EҳWÿҫXEӏGDRÿӝQJ6DXNKLWҫQJÿѭӧFSKkQFӵFYӟL,D2@ mA (VG2=-1.646 V), dòng ID1 O~FQj\WăQJOrQP$6DXNKLWҫQJÿѭӧFSKkQFӵFYӟL,D30 mA (VG3=-1.588 V), dòng ID1 WăQJOrQP$GzQJ,D2 WăQJOrQP$6DXNKLWҫQJ ÿѭӧFSKkQFӵFYӟL,D4)0 mA (VG3=-1.55 V), dòng ID1 JLҧPOҥLP$GzQJ,D2
JLҧP[XӕQJP$YjGzQJ,D3 JLҧP[XӕQJFzQP$7ӯFiFKLӋQWѭӧQJWUrQ PҥFKNKXӃFKÿҥL.DEӏGDRÿӝQJӣWҫQJWҫQJYjWkQJYӟLÿLӋQiS9D V Hình 4-P{WҧWK{QJVӕ>6@FӫDPҥFK.D3$ӣWUѭӡQJKӧS621 FӫDPҥFK WUXQJEuQKÿҥWÿѭӧFG%OӟQQKҩWKѫQG%WҥL*+]YjQKӓQKҩWJҫQG%WҥL
*+]ӢQJRjLEăQJWҫQVӕWKLӃWNӃ6FyJLiWUӏFӵFÿҥLNKRҧQJG%WҥL
GHz S11 FӫDPҥFK.D3$WӋÿLWҥLPӝWVӕÿLӇPWҫQVӕWӋQKҩWOj-G%WҥL*+] ắ 7U˱ͥQJKͫS9 D =V D1 =V D2 =V D3 =V D4 V ĈLӋQiSFӵFGUDLQFӫDWҩWFҧFiFWҫQJWLӃSWөFÿѭӧFWăQJOrQ9D 97ҫQJ ÿѭӧFSKkQFӵFÿӃQ,D1 mA (VG1=-9WKuEҳWÿҫXEӏGDRÿӝQJ6DX NKLWҫQJ ÿѭӧFSKkQFӵFYӟL,D2@ mA (VG2=-1.656 V), dòng ID1 O~FQj\WăQJOrQP$6DXNKLWҫQJÿѭӧFSKkQFӵFYӟL,D30 mA (VG3=-1.588 V), dòng ID1 WăQJOrQ16.7 mA, dòng ID2 WăQJOrQP$6DXNKLWҫQJÿѭӧFSKkQFӵFYӟL,D4)0 mA
(VG3=-1.53 V), dòng ID1 JLҧPOҥLP$GzQJ,D2 JLҧP[XӕQJP$YjGzQJ
ID3 YүQJLӳӣPӕFP$7ӯFiFKLӋQWѭӧQJSKkQFӵFWUrQPҥFKNKXӃFKÿҥLF{QJ
VXҩW.DEӏGDRÿӝQJӣWҫQJYjWҫQJYӟLÿLӋQiS9D V
Hình 4-P{WҧWK{QJVӕ>6@FӫDPҥFK.D3$ӣWUѭӡQJKӧS621 FӫDPҥFK ÿҥWWUrQG%WUrQEăQJWK{QJ-*+]7UrQEăQJWK{QJPRQJPXӕQ-40
GHz, S21 ÿҥWOӟQQKҩWKѫQG%WҥL*+]YjQKӓQKҩWOjKѫQG%WҥL
GHz S11 FӫDPҥFKQKӓKѫQ-G%WUrQWRjQEăQJWK{QJKRҥWÿӝQJ
Hình 4-26 Thông s͙ >6@ÿRÿ̩c cͯa m̩ch Ka PA ͧ WU˱ͥng hͫp phân cc 3
Hình 4-27 Thông s͙ >6@ÿRÿ̩c cͯa m̩ch Ka PA ͧ WU˱ͥng hͫp phân cc 4
7ӯWUѭӡQJKӧSÿRÿҥFWUrQPҥFKNKXӃFKÿҥLF{QJVXҩW.DFyKLӋQWѭӧQJGDR ÿӝQJ[ҧ\UDӣWҫQJOiLYuGzQJÿLӋQWKD\ÿәLNKyNLӇPVRiW.KLTXDQViWOҥLNӃWTXҧ P{SKӓQJNLӇPWUDGDRÿӝQJWKHRÿӏQKOt.XURNDZDӣKuQK-SKҫQWKӵFFӫD'3$ WҥLQJ}YjRWҫQJÿҫXQKӓKѫQNK{QJWѭѫQJӭQJYӟLNӃWTXҧÿRÿҥFWҫQJÿҫXEӏ GDRÿӝQJ7X\QKLrQWKHRP{SKӓQJGӵDWUrQÿӏQKOt.XURNDZDWKuÿk\YүQOjWUѭӡQJ KӧSәQÿӏQKWӭFOjNK{QJFyGDRÿӝQJ
6DXNKLÿRÿҥFPҥFKNKXӃFKÿҥL.DPӝWWKӡLJLDQQKjVҧQ[XҩWWLӃSWөFFKR UDPӝWSKLrQEҧQ3'.PӟLKѫQFӫDF{QJQJKӋQP*D1YӟLÿӝFKtQK[iFFDRKѫQ WURQJP{KuQKFӫDFiFOLQKNLӋQÿһWELӋWOjWUDQVLVWRU.KLP{SKӓQJNLӇPWUDOҥLPҥFK NKXӃFKÿҥL.DYӟLSKLrQEҧQPӟLFӫD3'.GDRÿӝQJOҥL[XҩWKLӋQWUrQ611 FӫD.D 3$WҥLÿLӋQiS9D=[5:9] V, VG=[-1.8:-@9YjÿѭӧFPLQKKӑDӣKuQK-Ĉk\Oj PӝW\ӃXWӕFKtQKGүQÿӃQVӵGDRÿӝQJFӫDPҥFKNKXӃFKÿҥL.DӣÿӧWFKӃWҥRQj\
Hình 4-28 Thông s͙ [S] cͯa m̩FK.D3$WKHRÿL n áp phân cc V D =[0:28:1] V,
V G =[-5:-1.4:0.1] V khi mô ph͗ng vͣi phiên b̫n PDK mͣi
9ӅFKҩWOѭӧQJWtQKLӋXQKӓFӫDPҥFKQKuQFKXQJNKiWѭѫQJÿӗQJYӟLNӃWTXҧP{SKӓQJÿӝOӧL6YүQÿҥWÿѭӧFWUXQJEuQKG%WUrQEăQJWK{QJ-40 GHz ӭQJYӟLWUѭӡQJKӧSSKkQFӵFWKӭĈiSӭQJFӫDPҥFKFy[XKѭӟQJGӏFKFKX\ӇQYӅ WҫQVӕWKҩSPӝWOѭӧQJNKRҧQJ*+]YuFiF\ӃXWӕWKӵFWӃQKѭNtVLQKҧQKKѭӣQJFӫD PC%VDLVӕWURQJFKӃWҥRô
9uKLӋQWѭӧQJGDRÿӝQJÿm[ҧ\UDÿӕLYӟLPҥFKNKXӃFKÿҥL.DFiFWK{QJV{SKLWX\ӃQFӫDPҥFKVӁNK{QJÿѭӧFÿRÿҥFÿӇÿҧPEҧRDQWRjQFKRFiFPi\ÿRFyJLiWUӏUҩWÿҳFWLӅQWURQJKӋWKӕQJÿRÿҥF
KӃt luұn
%̫QJ-%̫QJVRViQKFͯDP̩FKNKX͇FKÿ̩LF{QJVX̭W.D
7K{QJVӕWKLӃWNӃ ĈѫQYӏ ĈӅ[XҩW 0{SKӓQJ ĈRÿҥF
&{QJQJKӋ 150nm GaN 150nm GaN 150nm GaN
7ҫQVӕKRҥWÿӝQJ GHz 37-40.5 37-40.5 37-40.5
+LӋXVXҩW3$( % 15 14.2-18.3 n/a ĈӝOӧLF{QJVXҩW dB 14 13.2-14.5 n/a ĈӝOӧLWtQKLӋXQKӓ6 21 dB 15 18-23 17.5-22
&KѭѫQJYӯDWUuQKEj\WRjQEӝTXiWUuQKWKLӃWNӃFKӃWҥRYjÿRÿҥFPҥFKNKXӃFKÿҥLF{QJVXҩW.D%ҧQJ-WUuQKEj\NӃWTXҧWәQJKӧSVRViQKJLӳDP{SKӓQJ ÿRÿҥFYӟLFiFWK{QJVӕÿӅ[XҩWEDQÿҫX9ӅNӃWTXҧP{SKӓQJQKuQFKXQJF{QJVXҩWQJ}UDÿӝOӧLF{QJVXҩWYjKLӋXVXҩWWRjQEӝPҥFKÿӅXÿҥWÿѭӧFQKѭÿӅ[XҩWEDQÿҫXQJRҥLWUӯYQJWҫQVӕFDRWURQJEăQJWҫQJPRQJPXӕQ1JX\rQQKkQOjFKҩWOѭӧQJFӫDFiFPҥFKSKӕLKӧSWUӣNKiQJNK{QJWӕWWҥLFiFÿLӇPWҫQVӕFDRYuSKҧLFkQEҵQJYӟL\ӃXWӕәQÿӏQKFKRFiFWUDQVLVWRUĈӝOӧLWtQKLӋXQKӓ621 WӕWKѫQWK{QJVӕEDQÿҫX ÿӅ[XҩWtWQKҩWOjG%,QSXWUHWXUQORVV611 và output return loss S22 ÿӅXQKӓKѫQ
WK{QJVӕÿӅ[XҩW'zQJÿLӋQSKkQFӵFÿLӋQiSQJXӗQYjNtFKWKѭӟFÿӅXWKӓDPmQVRYӟLFiFÿӅ[XҩWEDQÿҫX0ҥFKNKXӃFKÿҥLWKӓDPmQFiFP{SKӓQJNLӇPWUDWҩWFҧFiFORҥLGDRÿӝQJFyWKӇ[ҧ\UDWKHRKDLSKѭѫQJSKiSFKtQKOj5ROOHWYj.XURNDZD9ӅNӃWTXҧÿRÿҥFÿӝOӧLWtQKLӋXQKӓ621 EӏJLҧPÿL-G%VRYӟLP{SKӓQJQKѭQJYүQÿҥWÿѭӧFWK{QJVӕ\rXFҫXWҥLÿLӋQiSGzQJÿLӋQSKkQFӵFFKRSKpSĈiSӭQJWҫQVӕFӫDPҥFKEӏGӏFKFKX\ӇQYӅWҫQVӕWKҩSPӝWOѭӧQJ*+]YuFiF\ӃXWӕWKӵFWӃ Ĉk\OjPӝWÿLӇPTXDQWUӑQJFҫQOѭXêNKLFҧLWLӃQFiFSKLrQEҧQVDX6DXNKLÿRÿҥFKLӋQWѭӧQJGDRÿӝQJ[XҩWKLӋQYjÿѭӧFSKiWKLӋQWK{QJTXDSKkQFӵF'&OҫQOѭӧWWӯQJWҫQJĈLӅXQj\[XҩWSKiWWӯKDLQJX\rQQKkQFKtQKOjÿӝGӳWUӳGDRÿӝQJNKLP{SKӓQJOjFKѭDÿӫWӕWYjP{KuQKOLQKNLӋQFӫD3'.OjFKѭDÿӫFKtQK[iFWҥLWKӡLÿLӇPWKLӃWNӃ3$&iFWK{QJVӕSKLWX\ӃQFӫDPҥFKNKXӃFKÿҥLFKѭDÿѭӧFSKpSÿRÿҥFYuSKҧLÿҧPEҧRDQWRjQFKRKӋWKӕQJPi\ÿRJLiWUӏQKѭQJFyWKӇÿѭӧFGӵÿRiQVӁNKiWѭѫQJÿӗQJYӟLNӃWTXҧP{SKӓQJGӵDWUrQPӝWVӕNӃWTXҧÿRÿҥFWK{QJVӕ>6@ÿm ÿѭӧFWUuQKEj\ӣSKҫQWUrQ
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Hình 5-6˯ÿ͛ công sṷt chi ti͇t cͯa m̩ch khu͇FKÿ̩i Ka vͣi phiên b̫n c̵p nh̵t mͣi nh̭t cͯa công ngh 150nm GaN
1 K Phan, C Mai, S Lee and C Huynh, "A Ka-band GaN High Power Amplifier,"
2019 International Symposium on Electrical and Electronics Engineering (ISEE), 2019, pp 19-22
2 L Nguyen, V Nguyen, K Phan, T Vu, S Lee and C Huynh, "Low-loss 6-bit Sub-7 GHz Digital Step Attenuator," 2019 International Symposium on Electrical and Electronics Engineering (ISEE), 2019, pp 13-18
3 N Nguyen, K Phan, S Lee and C Huynh, "A 35±37 GHz MMIC GaN Low Noise Amplifier," 2021 International Symposium on Electrical and Electronics
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