???o?C???@???60GHz?ђʐM?ɓ??A?Ǖ????U??̈ʑ??G???Ő??E?ŏ???B???F?????ʐM?Z?p?@?~???g

?@???o?C???@??ŁA60GHz?т̃~???g?ʐM???g??????ցc?B?????H?Ƒ?w?̌????O???[?v?́A?ʑ??G?????]???ɔ?ׂ?1/100?ȉ??ɍ팸?????Ǖ????U????J???????i?}1?j^??1?j?B4???̐????g?o?͂??”\?ȋǕ????U??ł???B?u60GHz?тɑΉ?????4???????g?o?͂̔??U??Ƃ??āA???E?ōł??ʑ??G???????????v?i?????H?Ƒ?w??w?@???H?w?????ȓd?q?????H?w??U?̏y?????ł??鉪?c???ꎁ?j?Ƃ????B

?@????܂ŕ񍐂???Ă????A4???̐????g?o?͂??”\?Ȕ??U??̈ʑ??G???́A?ŏ????x???ł?1MHz???????Ɂ|75dBc/Hz???????B????ɑ΂??ĐV???ɊJ???????Ǖ????U??̈ʑ??G???́A1MHz???????Ɂ|96dBc/Hz?Ə??????B

?@?ʑ??G?????|96dBc/Hz?Ə???????΁A???i?_???????d?͂?}?????A???o?C???@??ɓK?????u?_?C???N?g?R???o?[?W?????????v?ƌĂԖ????ʐM??H?Ɏg????B?u????܂ŁA?_?C???N?g?R???o?[?W?????????̖????ʐM??H???A60GHz?тŎ????????ōł??傫?ȉۑ?́A?Ǖ????U??̓??????????B???̉ۑ?̉?????_?????v?i?????j?Ƃ????B

?}1?@60GHz?т??g???????ʐM??H?Ɍ??????Ǖ????U???@????20GHz?яo?͂̈ʑ????????[?v?iPLL?j??H?A?E??60GHz?т̒????????^???U??iILO?j?ł???B???g????58.0GHz?`63.6GHz?͈̔͂?4???̐????g?o?͂??”\?ł???B?ʑ??G????1MHz???????Ɂ|96dBc/Hz?ƒႭ?A16?l??QAM?ɓK?p?”\?ȓ??????B

?????ʐM?̗v?ł???Ǖ????U??

?@??ʂɁA?????ʐM??H?̍????g?iRF?j????M?i?g?????V?[?o?j???́ARF?M???𑝕?????p???[?A???v?iPA?j???G???A???v(LNA)?A?قȂ???g???̐M?????|?????킹??~?L?T?[??H?A?Ǖ????U??Ƃ??????v?f??H?ō\?????Ă???B

?@?????̗v?f??H?̂????A?????ʐM?ɕK?v?Ȕ????g?M???𐶐?????Ǖ????U??́A?????ʐM??H?̓????????E????v?ƂȂ?B?f?W?^???ϒ??????̏ꍇ?A?Ǖ????U?킪????????M???́A?ʑ????݂???90?x???ꂽI?M????Q?M???ł???B???ꂼ?ꂪ?????M???̂Ƃ??A???v4???̐????g?o?͂??K?v?ɂȂ?B

?@????܂ŁA4???????g?o?͂̋Ǖ????U????\??????ɂ́A?o?͎??g????2?{?ɑ?????????g???̐M???𐶐????Ă????A??????4???o?͂𓾂???@??A2???????g?o?͂̔??U???2?—p?ӂ??Ă??܂??g?ݍ??킹??????A?|???t?F?[?Y?t?B???^???g???????ȂǁA?????‚??̕??@?????????B?????A??????̕??@???A60GHz?тł͍œK?ȕ??@?Ƃ͌????Ȃ??????B?Z?p?I?ȓ?Փx???ɒ[?ɍ?????????A?ʑ??G??????????̂??????????Ƃ????ۑ肪???????B

RF?g?????V?[?o??H??????ς?

?@?????ŁA?????H?Ƒ?w?̌????O???[?v?ł́A20GHz?т̈ʑ????????[?v?iPLL?FPhase Locked Loops?j?ƁA60GHz?т̒????????^?????Ǖ????U??iILO?FInjection Locked Oscillator?j??g?ݍ??킹???\?????̗p?????B

?@???????U?킪????????36MHz?̊?M????PLL??H?ɓ??͂???BPLL??H?Ŏ??g????20GHz?тɂ܂ō???ILO?ɏo?͂?^??2?j?AILO??20GHz?т?3???{????60GHz?т̐M???𐶐?????d?g?݂ł???B

?@PLL??H??ILO??g?ݍ??킹??Ƃ????\?????̂??̂͌Â????炠?????B????A60GHz?тɓK?p???A?ʑ??G???̏????????U??????삵?????Ƃ??V?????B?u??ʂɁAILO?̎??g????????????ƈʑ??덷???傫???Ȃ??Ă??܂????AI?M????Q?M???̃~?X?}?b?`????H?݌v?̍H?v?ʼn??P?????v?i???c???j?B

?@65nm?????CMOS?v???Z?X???̗p???A?Ǖ????U??????삵?????ʁA?ʑ??G????1MHz???????Ɂ|96dBc/Hz?ɗ}????ꂽ?B60GHz?т??g?????????ʐM?̍??ەW???K?i?uIEEE 802.15.3c?v?ł́A?ϒ??????Ƃ???16?lQAM???̗p???Ă???B16?lQAM??????????ɂ́A?Ǖ????U??̈ʑ??G?????|90dBc/Hz?ȉ??ɗ}????K?v??????A???̗v???l?𖞂??????B???????O???[?v?ł͂??łɁA?_?C???N?g?R???o?[?W???????????̗p????60GHz?ђʐM????RF?g?????V?[?o??H??????ς݂??Ƃ????B