down converter, 1500 - 2000 mhz sa65 - 0003 qsop - 16 v 1.00 f eatures n lna mixer integration. n typical conversion gain of 7 db. n typical two - tone im ratio of 3 50 dbm. n lo drive - level: +13 d bm. n surface mount qsop16 package. n low cost/high performance. n 50 ohm nominal impedance. description m/a - com?s sa65 - 0003 is an integrated assembly contai n- ing a gaas fet mmic lna and gaas fet mixer. this device is packaged in a 16 - leaded qsop plastic surface mount package. the amp lifier can be biased with either +3v or +5v, the mixer requires no dc bias. the conversion gain of the integrated combination is typically 6 db at +3v bias and 8 db at +5v bias. the sa65 - 0003 is ideally suited for rf/if communications applications re quiring down conversion with some gain. this mcm contains a mixer that is fabricated using a mature 1 - micron gaas process, it also contains an lna that is fabricated using a low cost mature 0.5 - micron gate length gaas mesfet pro cess. both die feature full passivation for increased performance and reliability. recommended pcb layout functional block diagram
down converter, 1500 - 2000 mhz sa65 - 0003 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 1.00 2 parameter test conditions 1 units min typical max conversion gain 6,7 lna +3v lna +5v db db 3.1 4.6 6.0 8.0 6.6 8.8 isolation 4 lo to rf in lo to if db db 29 19 32 23 ? ? reverse isolation 5 lna +3v db 30 40 ? vswr lo rf in if ratio ratio ratio ? ? ? 1.4:1 1.9:1 1.9:1 ? 2.5:1 2.1:1 input ip 3 1,2,3 lna +3v lna +5v db db 13 21 17.5 25 ? ? electrical specifications t a = +25c , z 0 =50 ohms , rf = - 10 dbm 1 , lo = +13 dbm, i dd ? 45 ma 1. for ip 3 measurements, rfin = - 24 dbm, this low rf in level gets amplified through the lna. 2. for ip 3 measurements, rfin2 = rfin1 + 10 mhz, lo = rfin1 ? 140 mhz. 3. for ip 3 measurements, ip3 = imr/2 + pin. 4. rf in to if isolation is ty pically 0 db. 5. reverse isolation is measured from if to rfin with the if at ? 10 dbm, lo at +13 dbm. 6. the amplifier has a normal ga in of 12.5 db, 3v bias and 14.0 db, 5v bias. amplifier typical noise figure = 1.5 db. 7. nf t = nf 1 + (nf2 - 1)/g1 absolute maximum ratings 8 parameter absolute maximum rf input power 9 +17 dbm lo drive power 9 +23 dbm v dd +10 vdc current 10 80 ma channel temperature 11 +150c operating temperature - 40c to +85c storage temperature - 65c to +150c 8. operation of this device above any one of these parameters may cause permanent damange. 9. total power for rf and lo ports should n ot exceed +23 dbm. 10. when pin #2 is used to increase current ? see note 6 above. 11. thermal resistance ( ? jc) = +95c/w. p in configuration pin # function description 1 gnd rf and dc ground 2 res external current control (optional) 3 gnd rf and dc ground 4 rf in rf input of the amplifier 5 gnd rf and dc ground 6 lo lo port of the mixer 7 gnd rf and dc ground 8 if if port of the mixer 9 rf gnd rf and dc ground 10 gnd rf and dc ground 11 rf 12 rf port of the mixer 12 gnd rf and dc ground 13 rf out 12 rf output of the amplifier 14 gnd rf and dc ground 15 v dd positive supply voltage 16 gnd rf and dc ground 12. the output port of the amplifier, rfout, and the input port of the mixer, rf, are adjacently placed so that an external filter can be used.
down converter, 1500 - 2000 mhz sa65 - 0003 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 1.00 typical performance curves 3 gain isolation at +3v part value purpose c1 47 pf dc block c2 47 pf by - pass c3 3.3 pf lo port matching network l1 3.9 nh tuning l2 3.0 nh lo port matching network l3 12 nh rf choke r1 see note 14 optional current control r2 5.1 k ohms dc return r3 330 ohms lo port matching network external circuitry parts 13 13. a ll external circuitry parts are readily available, low cost surface mount components (.060 in. x .030 in. or .080 in. x .050 in .). 14. pin 2 allows use of an external resistor to ground for o p- tional higher current. for 20 ma operation, no resistor is used. for i dd ? 30 ma, r2 = 43 ohms for i dd ? 45 ma, r2 = 15 ohms for i dd ? 60 ma, r2 = 10 ohms spurious table - 12 - 37 - 65 - 75 - 75 4x - 1.9 - 39 - 72 - 77 - 77 - 2.8 - 29 - 68 - 66 - 74 3x 7.1 - 30 - 70 - 77 - 75 harmonic 7.0 - 27 - 37 - 68 - 74 of lo (n) 2x 11.8 - 27 - 47 - 75 - 75 4.5 0 - 48 - 69 - 74 1x 11.8 0 - 58 - 76 - 76 n/a - 5 - 34 - 69 - 70 0x n/a - 5 - 46 - 75 - 70 0x 1x 2x 3x 4x the spurious table shows the spurious signals resulting from the mixing of the rfin and lo input signals, assuming down conversi on. the number of db below the conversion loss level indicates the mixing products. the lower frequency mixing term is shown for two different input levels. the top number is for an rfin power level of ? 19 db; the lower number is for ? 29 db. assuming the lna gain is approximately 14 db, the mixer input will see approximately ? 5 db and ? 15 db. |mf rf - nf lo |, rf = - 19 db rf = 1850 mhz |mf rf - nf lo |, rf = - 29 db lo = 1710 mhz harmonic of rfin (m) 2 4 6 8 10 1.5 1.6 1.7 1.8 1.9 2.0 frequency (ghz) gain (db) +3v +5v 0 10 20 30 40 1.5 1.6 1.7 1.8 1.9 2.0 frequency (ghz) isolation (db) l-i l-r
down converter, 1500 - 2000 mhz sa65 - 0003 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 1.00 typical performance curves 4 iip3 vswr at +3v ordering information part number package sa65 - 0 003 bulk packaging sa65 - 0 003 tr tape and reel (1k reel) sa65 - 0 003 - tb units mounted on test board 0 5 10 15 20 1.5 1.6 1.7 1.8 1.9 2.0 frequency (ghz) iip3 (db) +5v +3v 1.0 1.5 2.0 2.5 3.0 1.7 1.8 1.9 2.0 frequency (ghz) vswr if lo rf
|
