microwave corporation 12 - 2 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com mixers - smt 12 HMC128G8 gaas mmic smt double- balanced mixer, 1.8 - 5 ghz v01.0701 general description features functional diagram conversion loss: 10 db lo to rf and if isolation: >30 db high third-order intercept: +18 db electrical speci cations, t a = +25?c, lo drive = +15 dbm typical applications the HMC128G8 is a miniature double-balanced mixer in a hermetic surface mount package that can be used as an upconverter or downcon- verter. the device is a passive diode/balun type mixer with high dynamic range. noise gure is essentially equal to the conversion loss. the mixer can handle larger signal levels than most active mixers due to the high third order intercept. mmic implementation provides exceptional bal- ance in the circuit resulting in high lo/rf and lo/if isolations. the HMC128G8 is ideal for: ?base station ?mmds ?wirelesslan ?wireless local loop parameter min. typ. max. units frequency range, rf & lo 1.8 - 5.0 ghz frequency range, if dc - 2 ghz conversion loss 10 12 db noise figure (ssb) 10 12 db lo to rf isolation 28 40 db lo to if isolation 20 30 db ip3 (input) 13 18 dbm ip2 (input) 35 40 dbm 1 db gain compression (input) 5 10 dbm
microwave corporation 12 - 3 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com mixers - smt 12 -20 -15 -10 -5 0 conversion gain (db) 01234 56 rf frequency (ghz) lo= +15dbm lo= +10dbm -60 -50 -40 -30 -20 -10 0 isolation (db) 0123456 frequency (ghz) rf/if lo/if lo/rf conversion gain isolation -20 -15 -10 -5 0 return loss (db) 01234 56 frequency (ghz) if lo rf return loss distortion and 1db compression vs. lo drive level v01.0701 HMC128G8 gaas mmic smt double- balanced mixer, 1.8 - 5 ghz distortion lo drive rf(f1) = 3.01 ghz rf(f2) = 3.00 ghz lo = 3.5 ghz rf level = 0 dbm 1 db compression (dbm) ip3 (dbm) ip2 (dbm) p1db (dbm) +10 16 38 8 +13 18 40 10 +15 18 40 10
microwave corporation 12 - 4 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com mixers - smt 12 outline drawing absolute maximum ratings v01.0701 HMC128G8 gaas mmic smt double- balanced mixer, 1.8 - 5 ghz lo drive +27 dbm storage temperature -65 to +150 ? operating temperature -55 to +125 ? notes: 1. package material: alumina loaded borosilicate glass. 2. lead, base, cover material: kovar (#7052 corning). 3. plating: electrolytic gold 50 microinches min., over electrolytic nickel 50 microinches min. 4. dimensions are in inches [millimeters]. 5. tolerances: ?005 [0.13] unless otherwise specified. 6. all ground leads and ground paddle must be soldered to pcb rf ground.
microwave corporation 12 - 5 for price, delivery, and to place orders, please contact hittite microwave corporation: 12 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com mixers - smt 12 v01.0701 HMC128G8 gaas mmic smt double- balanced mixer, 1.8 - 5 ghz evaluation pcb list of material item description j1 - j3 pc mount sma rf connector u1 HMC128G8 mixer pcb* 104880 evaluation board * circuit board material: rogers 4350 the circuit board used in the nal application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a suf cient number of via holes should be used to con- nect the top and bottom ground planes. the evalua- tion circuit board shown is available from hittite upon request.
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