specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com, www.triquint.com page 1 of 4 may 2007 mh205a high linearity cellul ar-band mmic mixer product features ? +35 dbm input ip3 ? 7 db conversion loss ? rf: 800 ? 960 mhz ? lo: 700 ? 890 mhz ? if: 70 ? 120 mhz ? +17 dbm drive level ? lead-free / rohs-compliant / green soic-8 package ? no external bias required applications ? 2.5g and 3g gsm/cdma/ wcdma mobile infrastructure product description the mh205a is a passive gaas mesfet mixer that provides high dynamic range performance in a low-cost lead-free/green/rohs-compliant soic-8 package. wj?s mh205a uses patented tec hniques to realize +35 dbm input ip3 at an lo drive level of +17 dbm and can be used for upconverting or downconverting low-side lo applications. this single mono lithic integrated circuit does not require any external ba luns or bias elements. typical applications include frequency up/down conversion, modulation and de modulation for receivers and transmitters used in 2.5g and 3g gsm/cdma/wcdma mobile infrastructure in the cellular frequency band. functional diagram function pin no. lo 2 if & rf * 7 gnd 1, 3, 4, 6, 8 n/c or gnd 5 * external components (inductors & capacitors) are required to diplex the signal specifications parameters units min typ max comments rf frequency range mhz 800 ? 960 lo frequency range mhz 700 ? 890 if frequency range mhz 70 ? 120 ssb conversion loss db 7 9.5 see note 1 noise figure db 7.5 see note 2 input ip3 dbm +28 +35 see notes 1 and 3 input p1db dbm +18 lo ? rf isolation db 30 37 lo ? if isolation db 47 55 rf ? if isolation db 15 return loss: rf port db 15 see note 4 return loss: if port db 16 see note 4 return loss: lo port db 11 lo drive level dbm +17 1. test conditions unless otherwise noted: rf / if = 803 / 70 and 963 / 70 with a low-si de lo at +17 dbm in a downconverting ap plication at 25 c. the diplexer shown on the application ci rcuit is used in the test fixture. 2. assumes lo injection noise is filtered at the thermal noise floor, -174 dbm/hz, at the rf, if, and image frequencies. 3. iip3 is measured with f = 1 mhz with rfin = 0 dbm / tone. 4. the return loss is measured after the diplexer which splits the rf and if signals from the mixer. absolute maximum rating parameter rating operating case temperature -40 to +85 c storage temperature -65 to +100 c lo power +21 dbm input if / rf power +20 dbm operation of this device above any of th ese parameters may cause permanent damage. ordering information part no. description mh205a-g high dynamic range cellular-band mmic mixer (lead-free/green/rohs-com pliant soic-8 package) MH205A-PCB fully-assembled mixer application board mh205a 8 7 6 5 1 2 3 4
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com, www.triquint.com page 2 of 4 may 2007 mh205a high linearity cellul ar-band mmic mixer typical downconversion performance plots performance using the circuitry on the MH205A-PCB evaluation board circuit board material: .014? fr-4, 4 layers, .062? total thickness all passive components are 0402 size. all other pins on mixer are grounded. input ip3 vs rf frequency vs if frequency low-side downconversion, lo = +17 dbm, 25 c 28 30 32 34 36 38 750 800 850 900 950 1000 rf frequency (mhz) input ip3 (dbm) if = 70 mhz if = 120 mhz input ip3 vs rf frequency vs temperature low-side downconversion, lo = +17 dbm, if = 70 mhz 28 30 32 34 36 38 750 800 850 900 950 1000 rf frequency (mhz) input ip3 (dbm) -40 c +25 c +85 c input ip3 vs rf frequency vs lo power low-side downconversion, if = 70 mhz, 25 c 28 30 32 34 36 38 750 800 850 900 950 1000 rf frequency (mhz) input ip3 (dbm) lo = 15 dbm lo = 17 dbm lo = 19 dbm conv. loss vs rf frequency vs if frequency low-side downconversion, lo = +17 dbm, 25 c 4 5 6 7 8 9 750 800 850 900 950 1000 rf frequency (mhz) conversion loss (db) if = 70 mhz if = 120 mhz conv. loss vs rf frequency vs temperature low-side downconversion, lo = +17 dbm, if = 70 mhz 4 5 6 7 8 9 750 800 850 900 950 1000 rf frequency (mhz) conversion loss (db) -40 c +25 c +85 c conv. loss vs rf frequency vs lo power low-side downconversion, if = 70 mhz, 25 c 4 5 6 7 8 9 750 800 850 900 950 1000 rf frequency (mhz) conversion loss (db) lo = 15 dbm lo = 17 dbm lo = 19 dbm rf c1 12 pf if c2 5.6 p f l2 15 nh l1 27 nh lo pin 2 pin 7 mh205a
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com, www.triquint.com page 3 of 4 may 2007 mh205a high linearity cellul ar-band mmic mixer typical downconversion performance plots (cont?d) performance using the circuitry on the MH205A-PCB evaluation board lo return loss lo = +17 dbm, 25 c -25 -20 -15 -10 -5 0 700 750 800 850 lo frequency (mhz) lo return loss (db) rf return loss lo = +17 dbm, 25 c -25 -20 -15 -10 -5 0 750 800 850 900 950 1000 rf frequency (mhz) rf return loss (db) if return loss lo = +17 dbm, 25 c -25 -20 -15 -10 -5 0 70 80 90 100 110 120 if frequency (mhz) if return loss (db) rf = 800 mhz rf = 900 mhz l-r isolation vs temperature 10 20 30 40 50 650 700 750 800 850 900 lo frequency (mhz) l-r isolation (db) -40 c +25 c +85 c l-i isolation vs temperature 30 40 50 60 70 650 700 750 800 850 900 lo frequency (mhz) l-i isolation (db) -40 c +25 c +85 c intermodulation (imd) product table performance using the circuitry on the MH205A-PCB evaluation board harmonics of f lo 0 1 2 3 4 5 0 -- 57 76 89 79 85 1 18 0 42 63 59 64 2 90 75 43 63 84 83 3 >93 >93 89 64 77 >93 4 >93 >93 >93 >93 80 85 harmonics of f rf 5 >93 >93 >93 >93 >93 88 rf frequency = 940 mhz @ 0 dbm lo frequency = 870 mhz @ +17 dbm im product amplitude is in dbc relative to if output amplitude. the harmonics of f lo with 0*f rf are relative to the lo input signal (17 dbm).
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com, www.triquint.com page 4 of 4 may 2007 mh205a high linearity cellul ar-band mmic mixer mh205a-g mechanical information this package is lead-free/green/rohs-compliant . the plating material on the leads is nipd au. it is compatible with both lead- free (maximum 260 c reflow temperature) and lead (maximum 245 c reflow temperature) soldering processes. outline drawing land pattern / mounting configuration product marking the component will be marked with an ?mh205a-g? designator with an alphanumeric lot code on the top surface of the package. the obsolete tin-lead package is marked with an ?m205a? designator with an alpha numeric lot code. tape and reel specifications for this part are located on the website in the ?application notes? section. esd / msl information esd rating: class 1b value: passes / 500v to <1000 v test: human body model (hbm) standard: jedec standard jesd22-a114 esd rating: class iii value: passes / 500 v to <1000 v test: charged device model (cdm) standard: jedec standard jesd22-c101 msl rating: level 2 at +260 c convection reflow standard: jedec standard j-std-020 functional pin layout * external components (inductors & capacitors) are required to diplex the signal pin function 1 ground 2 lo port 3 ground 4 ground 5 no connect / ground 6 ground 7 rf / if port* 8 ground mh205a 8 7 6 5 1 2 3 4
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