termination insensitive mixer, 1 - 4000 mhz md - /mdc - 179 fp - 2 (md - 179) v 3.00 features n intermodulation ratio is insensitive to port mismatches n vswr: <2.0:1 typical midband n isolation: 35 db typical midband n impedance: 50 ohms nominal n maximum input power: 350 mw max @ 25c, derated to 85c @ 3.2 mw/c n lo power: +24 dbm max. n mil - std - 88 3 screening available description the unique design of the termination insensitive mixer (tim) enables it to apply high reverse voltage to diodes during their ?off? phase, in the lo cycle. this allows for higher power level performance with minimum disto rtion. in addition the tim has internal loads that provide a good match and also absorb mixer generated lo frequency terms. co mbined, these features give the mixer its insensitivity to external mismatches, plus superior vswr. c - 7 (mdc - 179) pin configuration (md - 179) p in no. function pin no. function 1 gnd 5 lo 2 gnd 6 gnd 3 gnd 7 gnd 4 if 8 rf
termination - insensitive mixer, 1 - 4000 mhz md - /mdc - 179 specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. v 3.00 2 electrical specifications 1 : t a = - 55c to +85c parameter test conditions frequency units min typ max frequency range rf, lo ports if port 1 - 4000 5 - 1500 mhz mhz ? ? ? ? ? ? conversion loss 2,3 5 - 1000 mhz 5 - 2500 mhz 5 - 3500 mhz 1 - 4000 mhz db db db db ? ? ? ? ? ? ? ? 7.5 8.5 9.5 10.5 isolation lo to rf 5 - 1000 mhz 1 - 4000 mhz db db 30 20 ? ? ? ? lo to if 5 - 1000 mhz 1 - 4000 mhz db db 30 20 ? ? ? ? rf to if 10 - 500 mhz 1 - 4000 mhz db db 30 16 ? ? ? ? rf input 1 db compression 1 db desensitization ? ? dbm dbm ? ? +5 +3 ? ? ssb noise figure within 1 db of conversion loss max ? ? ? ? ? typical two - tone im ratio with a ? 10 dbm input, each tone 60 mhz if 10 mhz 500 mhz 3000 mhz db db db ? ? ? 49 52 50 ? ? ? 3rd order intermodulation ratio degradation @ if vswr 3:1 ? db ? 3 ? 1. all specifications apply when operated at +7 dbm available lo power with 50 ohm source and load impedance. 2. for if frequencies of 5 - 300 mhz and rf of ? 10 dbm or less. 3. for mdc - 179, add 1.0 db to conversion loss. this product contains elements protected by united states patent number 4,224,572. typical performance curves conversion loss - lo @ +7 dbm, if @ 60 mhz isolation - input +7 dbm 5 6 7 8 9 10 11 0 1 3 10 30 100 1000 2000 3000 4000 4500 frequency (mhz) conversion loss (db) 0 10 20 30 40 50 60 0 1 3 10 30 100 1000 2000 3000 4000 4500 frequency (mhz) isolation (db) l-r l-i r-i
termination - insensitive mixer, 1 - 4000 mhz md - /mdc - 179 specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. v 3.00 3 conversion loss vs. lo power - rf @ 2000 mhz ? 10 dbm, if @ 60 mhz 3rd order im ratio - input +7 dbm vswr if port response ordering information part number package md - 179 pin fp - 2 mdc - 179 sma c - 7 typical performance curves 4 5 6 7 8 9 10 0 2 4 6 8 10 12 14 lo power (dbm) conversion loss (db) 0.0 0.5 1.0 1.5 2.0 0 1 3 10 30 100 1000 2000 3000 4000 4500 if frequency (mhz) if port response 1 1.5 2 2.5 3 0 1 3 10 30 100 1000 2000 3000 4000 4500 frequency (mhz) vswr lo rf if 40 45 50 55 60 0.3 3.0 30.0 1000.0 3000.0 4500.0 frequency (mhz) 3rd order intermod. ratio (db) if port terminated with 3.0:1 mismatch if port match
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