AN-851 ᆌᆩԴऻ One Technology WaZtP.O. Box 9106t/Prwood, MA 02062-9106, U.S.A.t Tel: 781.329.4700tFax: 781.461.3113twww.analog.com ᅃዖWiMaxມူՎೕIF֑ᄣথऐยऺݛӄ ፕኁǖ&SJD/FXNBOࢅCecile Masse ० ࠀׯஓ0 dBmڦۉೝLjڍ၎࠲ยԢՂႷీࠕডٷ ԨᆌᆩԴऻኼሞ௮ຎᅃዖ௬ၠ2.3 GHz2.36 GHz၍ཚრ ڦ0 dBmۉೝܸփ࣋ă ޜခ(WCS)ೕᅜत2.4 GHz2.48 GHz௨ኴቷISMೕڦዐ 802.16ՔጚຎLjܔথऐᆶ၎ତཚڢᅞڦᄲ൱ăՂ ೕ(IF)֑ᄣথऐăথऐยऺᆩᇀټኟೕްݴᆩ Ⴗॽ၎ତࢅݥ၎ତཚ߅ڢඡᇸᇑణՔཚ୲ࠀڦڢԲԍሞ (OFDM)ဣཥLj൩֖ለIEEE 802.16Քጚ࿔ڗዐڦᆶ࠲௮ຎă ူଚೝLj๑ဃஓ୲(BER)ྼᇀ10−6࿋Ljժ๑ణՔ႑ࡽߛ Ԩ࿔࣏ॽ༪ஃ၎ᆌڦยऺํࢅ݆ݛแײႾLjᅜݛՍยऺට ᇀኸۨएጚଳ௺܈ޗڦ܈փࡗג3 dBă ᇵႪ߀থऐ႑ࡽ૾Ljፁ၍(ټWiBro)ڪೕᅜत TDS-CDMAኮૌڦഄނཚ႑ՔጚኮႴăዺ࿔ዐ༵ڟ 1. 802.16-2004Քጚࡀۨڦ၎ତࢅݥ၎ତཚڢᅞᄲ൱ ڦ௬ำհ(SAW)୳հഗLjԨ࿔༪ஃڦยऺీࠕتፌߛ ٳ10 MHzڦཚټڢǗཚࡗ๑ᆩڦ߸ټཚڢስ୳հ ഗժ༵ߛ֑ᄣ୲Ljሶᅜਦ߸ټڦٷă ԝৠኪ๎ OFDM ူ ᅃ پႎ ႗ WiMaxՔ ጚ ዐ ๑ ᆩ ۙ ڦ ݛӄ ă OFDM૧ᆩIQۙփཞޭ߲ܠڦሜհLjઠํ၄փܠ০د խᆖၚߛڦणຕد୲ăएټ႑တકොᇀޭሜհኮ ዐLjᅺُLjد߲ܠړխୟ০ڞዂ೦࣋Ⴀ߅ඡժჹዘປ३և ݴཪพ้Ljबࢭփࣷሰׯ႑တ۪฿ăޭሜհۙݛӄڦ ՎႠྺጲᆌ๕႑ସఇ๕༵ࠃକీLjఇ๕ీᅜፌٷ ਐႜگدխLjܸړথ႑ሯԲ(SNR)ডߛ้ሶ֑ ᆩፌߛຕ୲ă ޭሜհۙݛӄतՊஓܠڦᄣႠܔথऐ༵କփཞڦ SNRᄲ൱ăߵIEEE Std. 802.16-2004ՔጚۨᅭLjWiMaxথ ऐڦएጚଳ௺܈ǖ֑ᆩ½Պஓ୲QPSKڦ1.5 MHzཚྺ܈ڢ −91 dBmǗ֑ᆩ¾Պஓ୲64-QAMڦ20 MHzཚྺ܈ڢ−65 dBmăኄ৽ᄲ൱থऐNFྺ7 dBLjԈઔ5 dBڦኴႜᇧଉă ۙ/Պஓ 16-QAM-¾ 64-QAM-¾ ၎ତཚڢᅞ(dB) −11 −4 ݥ၎ତཚڢ ᅞ(dB) −30 −23 ॐࠓ 1๖ྺᅃዖۆ႙ڦມူՎೕIF֑ᄣথऐăIF֑ᄣॐࠓ ݥࢇتWiMaxईܠሜհဣཥ֑ᆩٷڦ႑ࡽټă ዺူܠՎೕLjᅜᆩ߲ܠཚڢስ୳հഗઠӻዺ༵ߛথ ऐڦଳ௺܈Lj༵ߛܔీڞዂথऐଳ௺܈ইڦگፆ ႑ࡽੇڦඡ܈ăມူՎೕ࣏ሎႹ๑ᆩፁࠕߛڼڦᅃIFLjഄ ዐLjၟೕ୲גټକമ܋ೕስRF୳հഗڦཚݔټ ྷă ԨᆌᆩԴऻຎথऐॐࠓᅜ14࿋ADCྺएڦإă࠶ 12࿋ADCनፁ802.16থऐڦႴᄲLjॺڍᅱሞူڇՎ ೕईܠሜհॐࠓዐ๑ᆩ14࿋ADCLjᅜՍցၳ୲ডڦگ ስႠీLjՆ௨ADCሞߛ߅ඡᇸۉೝ൧ူ݀ิԏࢅăྺକ ยऺᅃዖీࠕࠀׯᆌܠܔຕ୲ኮႴڦথऐLjՂႷ ัስIFዐ႐ೕ୲LjժඓԍᆶࢇڦᆩSAW୳հഗă 802.16Քጚॽࠀׯॠ֪ڦፌٷࠀ୲ೝۨᅭྺ−30 dBmLjፌٷඹ၌ࠀ୲ೝྺ0 dBmăएበࢅᆩࢽበփీ Rev. 0 | Page 1 of 8 AN-851 ADF4360-8 ~100 BAND SELECT ATF541M4 ATF541M4 IMAGE REJECT LNA1 AV = –1.5dB AV = +14.5dB NF = 0.9dB IIP3 = 18dBm SAWTEK 855898 LO1 LCR LPF LO2 LNA2 AV = –2.5dB AD8370 ~1k LCR AAF IF DGA AV = +14.5dB NF = 0.9dB IIP3 = 18dBm ADL5350 AV = –8dB AV = –7.5dB NF = 7.5dB IIP3 = 24dBm AD8344 AV = +10dB AV = –1dB AV = +11.5dB AV = –15dB TO +34dB NF = 8dB NF = 8dB (AT MAX GAIN) IIP3 = 12dBm OIP3 = 35dBm AD9246 FULL SCALE = –3dBV rms ADC en = 21nV/ Hz IIP3 = 33dBV rms AV = 0dB NF = 20.5dB IIP3 = 33dBm 06147-001 ADF4153 1. ມူՎೕIF֑ᄣথऐยऺ 2๖ྺ֑ᆩگԨናူڦՎೕंೕഗڦሗොࡆगăྺକ থူઠႴᄲ୯ፌዕIFăူܾڼՎೕंೕഗਏᆶټ ޮ߃2.3 GHz2.4 GHzೕժ३ณీ߅ඡణՔ႑ࡽڦሗො ডڦᆫLjᅃӯփࡗג20 MHzăኄᄣ৽ᅜ୯ຕዖ ڦݴׯຕଉLj்ܔሗොࡆगႜକִLjࡕڼᅃ ీܾڼڦIFLjٗྷݔ10 MHzڟ70 MHzփڪLjডߛIFೕሶ IFᆌሞ210 MHz400 MHzాྷݔڦăࣨᆖ൶ᇘ๖֑ᆩگ णዐᇀ107 MHzࢅ140 MHzăྺକՆ௨߸ߛڦLOၿհLjሞ Ԩና(LO1 = 1926 MHz2026 MHz)ׂิ374 MHzዐೕڦၭ ُስକ70 MHz IFLjᅺྺߛၿհీ࣮ཀ၍থ܋੨ ຕټLjহ၌ྺfRF/fLOࢅfIF/fLOăᄺᅜپᅜഄIFዐ႐ೕ ժణՔথೕăُأᅜྔLj70 MHz IF࣏ሎႹ๑ᆩዚ ୲LjڍՂႷၭ႐Ljඓԍڼᅃंೕഗڦሗොၚᆌփࣷڞዂཚ ܠ९ڦSAW୳հഗईणጺᇮॲLCᇸ୳հഗă ߅ాڢඡăړമยऺዐLjስକ374 MHzڼڦᅃIFăܔᇀ ዐ႐ೕ୲LjణമׇฉᆶSawtekڪሰฆิׂܠ߃ޮڦዖ ڦټຕዖSAW୳հഗă ሞඓۨణՔIFೕ୲ࢫLjᅜ୯पႠీă2௮ຎକມူ Վೕথऐٗೕስ୳հഗڟ܋ADCথ੨ڦᇨۯ ༀႠీă 0.5 2L - -2R 3L fIF fLO 0.6 0.4 0.3 R -2 4L 3R 5L- 0.7 2R 3R -5L 3L 0.8 2. 1๖থऐ႑ࡽ૾ڦᇨۯༀႠీ ሺᅮ(dB) 65.5 58.5 48.5 37 23.5 L R- 3R -4L 0.9 2R -2L 4R-4 L 3R3L 1.0 1.7 1.8 R 1.0 3R 4L- 0.2 0.1 1.1 1.2 1.3 1.4 1.5 1.6 1.9 fRF fLO 2.0 06147-002 0 1.0 2. ֑ᆩگԨናူڦՎೕंೕഗڦሗොࡆग (ጀᅪLjࣨ๖ኍܔ2.3 GHz2.4 GHz WiBroೕLj ֑ᆩگԨናLjׂิ374 MHz IFڦၭຕټহ၌ă) . Rev. 0 | Page 2 of 8 IIP3 (dBm) −32.8 −26 −14.5 −7.7 −5.6 NF (dB) 2.6 2.7 3.5 4.6 9.7 AN-851 ํ၄݆ݛ থऐ૾ዐڼڦᅃ߲ഗॲೕስ୳հഗăAnatech 25 5 20 4 15 3 10 2 5 1 Electronics, Inc.ĂK&L Microwave Inc.ᅜतDigital Communications Inc.ڪሰฆኍܔ2.3 GHz2.5 GHz WiMaxᆌᆩዐ๑ ୲ৈྺ25 MHz้Ljፆټᅞٳ60 dBăׯԨ߸ڦگ༩ٍ୳ հഗሞ150 MHzೋᅎူీ༵ࠃৎ~50 dBڦፆټᅞăೕ ስ୳հഗڦስሞ܈ײٷฉൽਦᇀথऐڦၟᅞႠ NF (dB) ഗăഹ༹୳հഗ֭ڦࡼگLjփڟ2 dBLjړೋዐ႐ೕ GAIN (dB) ᆩڦWCSत௨ኴቷISMೕ༵ࠃକഹ༹୳հഗࢅ༩ٍ୳հ ႴᄲLj்ስକDigital Communications Inc.ิׂڦ10ཚ 0 2100 ټഹ༹୳հഗLjഄዐ႐ೕ୲ྺ2350 MHză 2200 2300 2400 2500 0 2600 FREQUENCY (MHz) 06147-004 ీLjᅜत߾ፕೕৎ߅ڦඡ႑ࡽڦᇨٷၭăᇀᄇ๖ 4. ATF541M4ሺᅮࢅ NFLj֪ڥ࣮ྺ−8dBLj IIP3ྺ18dBm ڼᅃLNAपሞമ܋Ăೕስ୳հഗኮࢫă୳հഗ֭ڦ ࡼᅜतڼᅃपڦሯำဣຕਦۨথऐڦጺ༹पଳ௺ ܈ăࡕLjሞڼᅃLNAपዐํ၄टڦگሯำဣຕ၂ڥ࠲ ྺକӻዺ߀മ܋ยऺڦၟᅞႠీLj३ณڼᅃंೕഗ ዘᄲă୯ڟഄگሯำࢅߛෙۙপ(ۅOIP3)ڦ༬ ټڦሯำLj்ሞڼᅃLNAࢅܾڼLNAኮक़๑ᆩକ ۅLj்ስକAgilent TechnologiesڦATF541M4 GaAs ᅃ߲०ߛڦڇཚ୳հഗă६ᇀڼᅃೕስ୳հഗྺሞ E-mode pHEMTăڼᅃपLNAࢅܾڼपLNAۉڦୟํ၄ఇ๕ ၟೕ୲ူ၄߅ڦඡ႑ࡽ༵ࠃ60dBᅜฉڦᅞLjᅺُLj ᅞᄲ൱ժփๆݴዘᄲă૧ᆩ֑ᆩگԨናׂิڦ374 ස3๖Lj֪ڥሺᅮࢅNFႠీස4๖ă MHzዐೕLjሞ2.3 GHz2.4 GHzೕ୲ူྷݔLjएԨၟ 5V ೕྺ1552 MHz1652 MHzăሞڼᅃLNAपࢅܾڼLNAप 10nF 1nF 294 1.21k 50 ኮक़ยऺକᅃ߲०ڦڇ3णጺᇮॲ୳հഗă୳հഗڦ ၟೕᅞႠీᆫᇀ20dBLjሞణՔཚ֭ڦాټࡼگ 32.4 ᇀ2.5dBă֪ڥೕ୲ၚᆌࢅۉୟํ၄ఇ๕ස5๖ă 8.2pF 8.2pF 0 5.6nH –5 1.5nH 3. एԨLNA๖ᅪ 8.2pF –15 S21 (dB) 3.3pF 06147-003 0.6pF –10 –20 –25 –30 4.3nH –35 2.2pF –40 2.2nH 2.2nH –45 –50 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 FREQUENCY (MHz) 5. ०ڇणጺᇮॲၟᅞ୳հഗํ၄ఇ๕त֪ڥၚᆌ Rev. 0 | Page 3 of 8 06147-005 1.5nH AN-851 12 30 25 ዃᅃ߲LO࣐؋ٷݣഗăंೕഗཚࡗೌྔ୳հྪஏઠ߰ 20 IIP3, IP1dB (dBm) RF܋੨ࢅIF܋੨ă7๖ጱۉୟԈઔADL5350ंೕഗĂ ྔև୳հഗྪஏLj࣏ᆶᅃ߲ྔևLO࣐؋ഗLjᆩᅜၠLOIN ᆅগ༵ࠃፁࠕڦൻۯă ଷႴሺेᅃ߲AD8353ሺᅮपLjᆩᇀॽPLL/VCOࢇׯഗۉ 9 6 3 15 IP1dB 10 0 5 –3 GAIN 0 ୟLOINᆅগڦتٷݣ୲ࠀ~4dBmڦൻۉۯೝăLO –6 –9 –5 ᆅগ࣏ᆌᆩକഄ୳հഗLjᅜӻዺ३ณઠጲLOࢇׯഗ ڦၿհాඹăኄᅃ߲०ڦڇ3گཚ୳հഗLj֑ᆩକण –10 2200 ጺᇮॲăසࡕுᆶ୳հഗLjLOْܾڦၿհॽ๑గၵྔܮ CONVERSION GAIN (dB) MHzߛۨࠦڦዐೕăADL5350ᅃዖ܋ڇᇸंೕഗLjా IIP3 2250 2300 2350 2400 2450 –12 2500 RF FREQUENCY (MHz) ߛڦೕሯำူՎೕׯణՔIFLjࡕࣷইگথऐڦଳ௺ 06147-007 ሞܾڼLNAपኮࢫLj႑ࡽཚࡗADL5350ंೕഗူՎೕׯ374 6. ADL5350ंೕഗ֪ڦႠీ ܈ă֪ڦڥADL5350(ԈઔྔևLO࣐؋ഗࢅ୳հഗྪஏ)ۯ ሞူՎೕࡗײዐLjPLLڦ၎࿋ሯำཚࡗਝओेᇀOFDMۙ ༀႠీස6๖ăंೕഗڦIIP3ᆫᇀ24dBmLjገ࣑ ႑ࡽޭ߳ڦሜհኮฉăྺ३ณܔথऐଳ௺ڦ܈ᆖၚLj ࡼྺ~8dBLjڇՉټNFă ᆩᇀิׯLO1ڼڦᅃ߲PLL߲ၭຕݴೕPLLăPLL֑ᆩ ADF4153ࢇׯഗยऺܸׯăԿ࣍ټሀྺ30 kHzLj၎࿋۶ ࠚۯ໙ኵྺ0.3܈ă ADL5350 EVALUATION BOARD 1nF 1 RFIF RFIF 8 2 GND2 3 LOIN GC 7 VPOS 6 4 GND1 GND1 5 3nH 100pF 2.2pF 2.7nH 3V 100pF 2.2pF 6pF 9.5nH 15nH 374MHz IF OUT 0.7pF 3V 2.1nH 100pF 4.7μF 3V VP VDD 0.47μF 100nF 1nF 18pF 1nF 3dB PAD 18 100pF AD8353 EVALUATION BOARD VCO190-1960T 18 1.5k 100pF CP REFIN ADF4153 600 MUXOUT 18 100pF 820pF 40nF 2.7nF 51 RFINA CLK DATA LE RFINB RSET 10MHz XTAL REF SPI CONTROL BUS 100pF ADF4153 EVALUATION BOARD 7. ڼᅃंೕူՎೕप Rev. 0 | Page 4 of 8 06147-006 RF INPUT FROM LNA2 SAWTEK 855898 1.5nH ADL5350 1pF 0.67nH AN-851 ڼᅃIFࢫཚࡗ374 MHz SAW୳հഗLjᅜՍႜཚڢስă ࢫཚࡗAD8344ᆶᇸंೕഗॽ୳հࢫڼڦᅃपIF႑ࡽူՎ ዺSawtek 855898 SAW୳հഗڦፆټᅞႠీLjথ ೕ70 MHzܾڼڦपIFăُ֑تᆩକᅃዖگԨናݛӄLjᅜ ऐᅜइڥटࡻڦስႠLjܸ༵ٗߛܔ၎ତ߅ඡ႑ࡽੇڦ ඓԍइڥፌॅሗොၚᆌᅞႠీLj༵ߛंೕഗڦሺᅮăጺ ඡ܈ă୳հഗཚࡗ7๖ྔևLCഗॲದ50 Ωă߳୳ ༹ܸჾLj֑ᆩگԨና้LjAD8344༵ࠃߛڦገ࣑ሺᅮă հഗڦೕ୲ၚᆌ༬Ⴀස8๖ă 304 MHz LOᆯADF4360-8༵ࠃăኄᅃ߲णׯକPLL + VCO ೌڇڦਦݛӄLjᇑݴ૬๕ਦݛӄ၎ԲLjሞׯԨࢅۉୟ –10 ӱक़ݛ௬ਓᆶଆࡻ၄ă؊ాೌړVCOڦၿናڦߌۉଇ –20 ߲ྔևߌۉยۨዐ႐ೕ୲ăADF4360-8ݴֶڦཚࡗә –30 ገ࣑܋ڇׯ႑ࡽă֑ᆩ304 MHz LO้LjAD8344ڦገ࣑ሺ –40 ᅮྺ~11dBLjIIP3ࢅSSB NFݴ՚ྺ12dBmࢅ8dBăࢫLj70 –50 MHzཚࡗᅃ຺߲گཚ୳հഗLjᅜՍᅞLOઍཚၳᆌ –60 ࢅডߛೕंೕഗሗොă –70 –80 –90 –100 300 325 350 375 400 425 450 FREQUENCY (MHz) 06147-008 8. Sawtek 855898ೕ୲ၚᆌ AD8344 EVALUATION BOARD 1nF 5V 2.43k 1nF 5V 12 11 10 9 VPDC PWDN EXRB COMM 13 COMM 14 RFCM COMM 1nF 8 100pF 374MHz INPUT IFOP 7 4:1 AD8344 15 RFIN 16 VPMX 1nF 220nH 39pF 240nH 70MHz IF OUT 18pF IFOM 6 100pF 5V 1nF COMM 5 VPLO LOCM LOIN COMM 1 1nF 2 3 1nF 4 VDD ADF4360-8 EVALUATION BOARD 1nF ADF4360-8 4.3k VTUNE REFIN CP CLK DATA LE 1.5k 150pF 680nF 390pF 10MHz XTAL REF SPI CONTROL BUS 43.8nH VDD L1 240nH 1:4 L2 RFOUTA 470 RSET 100pF 4.7k RFOUTB 06147-009 RESPONSE (dB) 0 9. ᆯADF4360-8ཚࡗྔև1:4ፆੇԲәൻڦۯAD8344ᆶᇸंೕഗ Rev. 0 | Page 5 of 8 AN-851 ࢫLj70 MHz IF႑ࡽཚࡗAD8370ຕ੦ՎሺᅮٷݣഗLjም ڦፕᆩăݴဆথऐಇଚ้Ⴔᄲ୯ืუՎ࣑ăᆶ࠲ᆩᇀ ᆯAD9246ႜIF֑ᄣăAD8370ਏᆶߛIIP3Ljഄሺᅮۙ ႚׯൻۯഗ/ADCথ੨ڦยऺܠ߸ڦ݆ݛ႑တLj൩֖ለ বٷྷݔᇀ40dBăኄ৽ሎႹথऐڦጺ༹ገ࣑ሺᅮܔप AN-827 “A Resonant Approach to Interfacing Amplifiers to ۯༀྷݔႜۙবࢅႪ߀LjᅜᆌՎࣅডڦٷ႑ Switched-Capacitor ADC”(ᅜၿናݛ๕ॽٷݣഗথਸ࠲ۉ ࡽࠀ୲ă ඹADC)ă࠲ᇀAD8370तAD9246ྪஏথ੨ڦዷᄲၘ൧ස 11๖ă10ܔADCݠڦኈ୳հഗၚᆌࢅํ֪ၚᆌႜକ ُتስڦADCీྺࡗג200 MHzڦIFೕ୲༵ࠃڦሗ ܔԲă ොۯༀྷݔLjܸࠀࡼৈྺ~250 mWăߛٳ650 MHzڦఇె ټሎႹॽAD9246ᆌᆩᇀ߸ߛڦIFೕ୲ăሞԨᄇ๖ዐLj 0 ᆩڦᅃ߲֑ᆩ80 MSPS֑ᄣ้ዓڦ70 MHz IFLjIFዃ –5 ᇀADCܾڼలઊຯ༬ೕ୲൶ዐă –10 ྺକՆ௨ইگADCڦଳ௺܈LjՂႷ֑ᆩᅃ߲ੇं۠୳հ –15 RESPONSE (dB) MEASURED ႅڞዂڦADCଳ௺ူڦ܈ইăଷྔLjੇं۠୳հഗᆶዺ ᇀᅞᅺൻٷݣۯഗपׂܸิټڦሯำLjޏሶLjࣷሺे –20 SIMULATED –25 –30 ణՔలઊຯ༬ೕዐڦሯำăُتስକྈᇶگཚॐࠓLj –35 ᅜሺഽܔডߛలઊຯ༬ೕ୲൶ڦഽሗොڦݴׯᅞፕᆩă –40 72 nHೋዃࢅߌۉጺۉඹࠌཞࠓׯᅃ߲ժၿናྪஏă –45 20 ၿናྪஏᆶዺᇀ༵ߛణՔIFೕ୲ူڦሜፆੇă୳հഗྪ 40 60 80 100 120 140 160 FREQUENCY (MHz) ஏ༵ࠃ100 Ω600 Ωڦፆੇገ࣑Ljഐۉॽڟუ༵ߛ~8dB 10. থAD9246 ADC୳۠ंੇڦհഗݠڦኈࢅํ֪ၚᆌ AD9246 VCOM 39pF SERIAL CONTROL INTERFACE 1nF 1nF 16 15 14 13 12 INLO ICOM DATA CLCK LTCH 11 10 47nH 56nH 9 VCCO OCOM OPLO 72nH 1:4 AD8370 15pF 22pF 18pF AD9246-80 72nH INHI ICOM VCCI 1 2 3 PWUP VOCM VCCO OCOM 4 5 6 OPHI 7 8 1nF 1nF 1nF 0.1μF 47nH 56nH 0.1μF 39pF 5V 11. VGAᇑADCኮक़ۉڦୟথ੨ Rev. 0 | Page 6 of 8 06147-010 70MHz INPUT 1nF 06147-011 ഗăੇं۠୳հഗᆶዺᇀᅞডߛೕሗො႑ࡽLjසᅺԨና AN-851 ྜኝথऐႠీጺ ሞᄓኤኝ߲থऐڦጺ༹पႠీ้LjᆶՂᄲ૧ᆩADIࠅ ႜೠࠚ้࣏ுᆶኍܔ802.16 OFDMհႚࢇڦBER֪ย ິ༵ࠃߛڦADC FIFO USBೠࠚ༫ॲٗAD9246 ADCዐվ ԢăܸLjဃֶ๐ଉ(܈ޗEVM)ݴဆඐܔথऐႠీत इ֑ᄣຕăံڦྔܮံ(FIFO)ጱਸ਼؊ړຕ࣐؋Lj ᆩۯༀྷݔႜডࡻࠚڦ໙ăྺକܔOFDM 802.16֪႑ ᆩᇀվइADCሞᅃ֑ۨᄣ୲ူׂิڦຕزăሞ ࡽႜEVMݴဆLjՂႷ๑ᆩᅃકቛ٪ئศ܈ณྺ65 kb ُएإฉLjFIFOॽվइڦڟຕᅜՔጚUSBথ੨ኧڦড ڦFIFOਸ਼ăኄᄣ৽ᅜվइྜኝڦRF݀ஞ؋ă گ୲دໃऺ໙ऐăADCೠࠚᆘॲᆯAnalog Devices ADC Analyzer™ॲႜ੦ăADC Analyzer้ܔᇘतೕᇘႜ ݴဆă૧ᆩADC AnalyzerLjᅜൟվइڇᅼࢅມᅼ฿ኈႠ վइڦڟኝຕ๐ଉٗ0ڟ65,536 (216)փڪLjዐक़ኵྺ32,768ă ጀᅪLjAD924614࿋ADCLjຕጴᅜ16࿋๖ăվइ ڦڟኝຕ๐ଉᆯAgilentڦAdvanced Design System (ADS) ీLjࡕݴ՚ස12ࢅ13๖ăጀᅪ13ዐړ႑ࡽሺᅮ 2006AႜتăADSײႾᆩ16࿋IF๐ଉأᅜ4Ljڟڥᅃ߲ ྺ48dBፑᆸ้၄ڦփჄ၄ၡăኄAD8370 VGAٗگሺ 214ኝຕٳ๕ăࢫܔ๐ଉႜገ࣑ժݣഄናޗLj ᅮఇ๕ገ࣑ߛׯሺᅮఇ๕ኮتăኄዖփჄ၄ၡփࣷ၂ዸ ᅜิރׯኵናྺޗ±1 Vڦଭኵհႚăথူઠᆩᅃ߲ၙڦ IQۙഗܔ႑ࡽႜۙăࢫत้ܔIQ๐ଉႜ؏ൽLj –50 ᅜิڪׯᇀᇱ๔֑ᄣ୲¼ڦएټ๐ଉă –55 ࢫॽتࡗڦIQ๐ଉઍAgilentڦ89600 Vector Signal –60 AnalyzerॲLjܸٗڟڥEVMႠీă64-QAM OFDM႑ࡽڦ ֪ڥEVMႠీࢅࠀ୲ස14๖LjഄዐLjۙྺټ –65 10 MHzLjՊஓ୲ྺ¾ăྺՍᇀԲড၎࿋ሯำڞዂڦႠీူই –70 ൧Ljኄ༵ࠃକࡤᆶࢅփࡤADF4153तADF4360 PLLڦଇ HD2 –75 ዖEVMፖՔă HD3 –80 0 –85 –5 35 40 45 50 55 60 65 SIGNAL GAIN (dB) 06147-012 –90 30 –10 –15 0 7 –5 6 EVM (dB) 12. ྜኝথऐपܾڦतෙၿհ฿ኈ (ሞAD9246܋ᅜ−1dBFSۉೝ֪)ڥ –20 –25 –30 –35 WITH ADF4153 AND ADF4360-8 PLLs 5 –15 4 –20 3 –25 2 –30 1 –35 30 35 40 45 50 55 60 65 0 70 SIGNAL GAIN (dB) –45 SSB NF (dB) –10 –50 –80 USING EXTERNAL GENERATORS FOR LO SIGNALS –70 –60 –50 –40 –30 –20 INPUT POWER (dBm) 14. ཚࡗኝ߲থऐܔ64-QAM ¾Պஓ୲Ă 10 MHz OFDM႑ࡽ֪ڦڥEVMႠీ 06147-013 IIP3 (dBm) –40 13. ྜኝথऐपڥ֪ڦມᅼIIP3ࢅڇՉټNF ᇑথऐገ࣑ሺᅮ࠲ڦဣ Rev. 0 | Page 7 of 8 –10 06147-014 HARMONIC DISTORTION (dBc) ইگኝ߲থऐڦBERႠీă AN-851 ྺକൽڥথऐڦስႠLjՂႷ֪ଉ֑ᆩڇᅼܔᅃۨ ྜ ኝ থ ऐ ۆ ڦ႙ ೕ ༬ Ⴀ ස 16 ๖ ă ཚ ࡗ ADC ೕ୲ྷݔೕڦ၎ܔၚᆌă15๖ኝ߲থऐሞඍ AnalyzerॲLjݛՍڟੂںຨༀೕժվइ้ڟᇘຕ ณമ܋ೕስ୳հഗ้ڦስႠăມူՎೕথऐڦೕ Ljࠃࢫ႑ࡽت๑ᆩă࠶IF႑ࡽྺ70 MHzLj֑ᄣ้ ୲ስ༬Ⴀټઠटߛڦ၎ତ߅ඡᇸੇඡ܈ăेฉമ܋ೕ ዓྺ80 MSPSLjඐ၄ྺڼᅃలઊຯ༬ೕ୲൶ڦ10 MHz႑ ስ୳հഗࢫLjሞ၎ତRFೕइߛڥᇀ60dBڦᅞႠ ࡽăዺADC AnalyzerॲLjᅜݴဆࢅۙሗො้ ీă ዓࢅLO႑ࡽݴଉLjޏሶీᆖၚথऐాټڦႠీă߲ܠ IF୳հഗपᅜतLO୳հഗᆶዺᇀॽሗොইگࢮփऺ 10 ڦೝăጀᅪ32 MHzڦتෑሗොăኄڼᅃ߲ंೕഗڦLO NORMALIZED RESPONSE (dB) 0 IFႅă –10 3ඇ௬ጺକথऐڦႠీăኄዖยऺྺߛᇀ−74dBmڦ –20 ႑ࡽ༵ࠃକᆫᇀ−25dB EVMڦႠీLjၟᅞႠీࡗג –30 60dBLjժਏᆶڦ၎ତࢅݥ၎ତཚڢᅞీ૰ă –40 3. Ⴀీጺ(ᆩ64-QAM ¾Պஓ୲OFDM10 MHz ټ႑ࡽ֪)ڥ –50 –70 2280 2300 2320 2340 2360 2380 2400 2420 2440 RF INPUT FREQUENCY (MHz) 06147-015 –60 15. থऐስႠᇑೕ୲࠲ڦဣLjഄዐLjԨናۙবྺ2350 MHz ႑ࡽ(fLO1 = 1976 MHz, fLO2 = 304 MHz) –20 SPECTRAL MAGNITUDE (dBm) –30 –40 ֖ຕ ሺᅮྷݔ EVM(ٗ−74dBm−20dBmࠀ୲) ዐक़ሺᅮIIP3(ೝ= 48dB) ዐक़ሺᅮNF(ೝ= 48dB) ၟᅞ ၎ତཚڢᅞ ࠀࡼ(ٗLNAADCLjࡤPLL) ֪ڦڥႠీຕ 30 dB67 dB <−25 dB >−8 dBm <4 dB >60 dB >58 dB ~2.2 Watts –50 –60 ֖࿔၅ –70 Newman, Eric and Reeder, Rob. 2006. “A Resonant Approach to Interfacing Amplifiers to Switched-Capacitor ADCs.” Application Note AN-827. Analog Devices, Inc. (January) –80 –90 –100 –110 –130 0 5 10 15 20 25 30 35 FREQUENCY (MHz) 40 06147-016 –120 IEEE Std 802.16-2004. IEEE Standard for Local and Metropolitan Area Networks - Part 16: Air Interface for Fixed Broadband Wireless Access Systems. Institute of Electrical and Electronics Engineers, Inc. (June). 16. ADCೕሞዐक़ሺᅮူڦFFTፖՔLj ྺ64-QAMLj¾Պஓ୲Lj10 MHzټOFDMLj ೕ୲ྺ2.342 GHz)ጀᅪLj႑ࡽ၄ྺ10 MHz IFLj ํڍाገ࣑ഗܾڼలઊຯ༬ೕ୲൶ዐڦ70 MHz႑ࡽă* ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. AN06147-0-6/06(0) Rev. 0 | Page 8 of 8