MSA-9970 cascadablefsiliconfbipolarfmmic f amplifer data sheet features ? open loop feedback amplifer ? performance flexibility with user selected external feedback for: broadband minimum ripple amplifers low return loss amplifers negative gain slope amplifers ? usable gain to 6.0 ghz ? 16.0 db typical open loop gain at 1.0 ghz ? 14.5 dbm typical p 1 db at 1.0 ghz ? hermetic gold-ceramic microstrip package 70 mil package description the MSA-9970 is a high performance silicon bipolar monolithic microwave integrated circuit (mmic) housed in a hermetic high reliability package. this mmic is designed with high open loop gain and is intended to be used with external resistive and reactive feedback elements to create a variety of special purpose gain blocks. applications include very broadband, minimum ripple amplifers with extended low frequency performance possible through the use of a high valued external feedback blocking capacitor; extremely well matched (C20 db return loss) amplifers; and negative gain slope amplifers for fattening mmic cascades. the msa-series is fabricated using avagos 10 ghz f t , 25 ghz f max , silicon bipolar mmic process which uses nitride self-alignment, ion implantation, and gold metallization to achieve excellent performance, uniformity and reliability. the use of an external bias resistor for temperature and current stability also allows bias fexibility. typical biasing confguration c block c block r bias r f c f v cc 10 v v d = 7.8 v rfc (optional) user selectable in 1 3 2 4 ou t msa
MSA-9970 absolute maximum ratings parameter absolute maximum [1] devicefcurrent f 80fma powerfdissipation [,3] f 750fmw rffinputfpower f +13fdbm junctionftemperature f 00c storageftemperature f C65cftof 00cf thermal resistance [2,4] : jc f=f150c/w notes: 1. permanent damage may occur if any of these limits are exceeded. 2. t case = 25c. 3. derate at 6.7 mw/c for t c > 88c. 4. the small spot size of this technique results in a higher, though more accurate determination of jc than do alternate methods. g p f powerfgain [] f(|s 1 | )f ff=f0.1fghz f db f f 17.5 f f f ff=f1.0fghz f f 14.5f 16.0f 17.5 f f f ff=f4.0fghz f f 8.0f 9.0f 10.0 p 1fdb f outputfpowerfatf1fdbfgainfcompression [] f ff=f1.0fghz f dbm f f 14.5 ip 3 f thirdforderfinterceptfpoint [] f ff=f1.0fghz f dbm f f 5.0 v d f devicefvoltage f f vf 7.0f 7.8f 8.6 dv/dtf devicefvoltageftemperaturefcoefcient f f mv/c f f C16.0 notes: 1. the recommended operating current range for this device is 25 to 45 ma. typical performance as a function of current is on the following page. 2. open loop value. adding external feedback will alter device performance. electrical specifcations [1] , t a = 25c symbol parameters and test conditions: i d = 35 ma, z o = 50 units min. typ. max.
3 MSA-9970 typical scattering parameters (z o = 50 , t a = 25c, i d = 35 ma) f freq. s 11 s 21 s 12 s 22 ghz mag ang db mag ang db mag ang mag ang k f 0.0f .89f C1f 17.5f 7.51f 179f C37.f .014f 4f .93f C1f 1.01 f 0.05f .90f C3f 17.5f 7.47f 177f C35.6f .017f 34f .9f C3f .83 f 0.1f .90f C6f 17.4f 7.45f 174f C33.f .0f 43f .93f C6f .70 f 0.f .89f C1f 17.4f 7.43f 168f C9.6f .033f 61f .93f C13f .39 f 0.4f .87f C4f 17.f 7.7f 156f C4.4f .061f 63f .91f C7f .4 f 0.6f .85f C36f 17.0f 7.06f 145f C0.8f .091f 58f .90f C40f .1 f 0.8f .8f C47f 16.6f 6.78f 134f C18.8f .115f 5f .87f C53f .1 f 1.0f .79f C59f 16.f 6.49f 14f C17.0f .141f 44f .84f C66f .4 f 1.5f .7f C86f 15.3f 5.79f 100f C14.6f .186 f 9f .74f C96f .8 f .0f .65f C113f 14.f 5.10f 77f C13.4f .15f 16f .64f C13f .34 f .5f .59f C133f 13.0f 4.45f 61f C1.9f .7f 7f .57f C143f .39 f 3.0f .54f C155f 11.6f 3.79f 4f C1.5f .36f C3f .51f C163f .46 f 3.5f .53f C174f 10.3f 3.8 f 6f C1.4f .39f C14f .45f 178f .53 f 4.0f .5f 168f 9. f .87f 10f C1.5f .38f Cf .39f 164f .59 f 4.5f .53f 15f 8.0 f .51f C4f C1.6f .34f C30f .34f 155f .66 f 5.0f .55f 140f 6.9 f .1f C17f C1.8f .8f C37f .31f 153f .7 f 5.5f .55f 130f 5.8f 1.94f C31f C13.f .0f C44f .30f 154f .80 f 6.0f .55f 11f 4.6f 1.70f C43f C13.6f .09f C48f .3f 157f .88 f 6.5f .56f 114f 3.5f 1.50f C53f C13.8f .03f C54f .37f 158f .94 f 7.0f .56f 107 f .6f 1.34f C63f C14.0f .01f C59f .4f 157f .97 typical performance, t a = 25c (unlessfotherwisefnoted) g p (db) g p (db) g p (db) 0.3 .05 0.1 0.5 1.0 3.0 6.0 frequency (ghz) frequency (ghz) figure 1. open loop power gain vs. frequency, i d = 35 ma. 0.2 0.1 0.3 0.5 1.0 2.0 4.0 figure 3. open loop output power at 1 db gain compression vs. frequency. 0 3 6 9 12 15 18 21 7 9 11 15 13 19 17 figure 4. open loop power gain vs. current. 5 10 15 20 ?55 +25 ?25 +125 +85 p 1 db (dbm) p 1 db (dbm) temperature (c) 2 0 4 6 1 0 8 v d (v) figure 2. device current vs. voltage. 0 10 20 30 50 40 i d (ma) t c = +125c t c = +25c t c = ?55c figure 5. open loop output power at 1 db gain compression and open loop power gain vs. case temperature, f = 1.0 ghz, i d = 35 ma. 13 14 15 16 17 i d = 45 ma i d = 35 ma i d = 25 ma 20 10 30 40 50 i d (ma) 0.1 ghz 1.0 ghz 4.0 ghz p 1 db g p
70 mil package dimensions ordering information part numbers no. of devices comments f ffffMSA-9970f 100f bulk f forfproductfinformationfandfafcompleteflistfoffdistributors,fpleasefgoftofourfwebfsite:fffffffff www.avagotech.com avago,favagoftechnologies,fandfthefaflogofareftrademarksfoffavagoftechnologies,flimitedfinfthefunitedfstatesfandfotherfcountries. datafsubjectftofchange.ffcopyrightf?f 008favagoftechnologies,flimited.ffallfrightsfreserved.ffobsoletesf5989-76enff av0 -1 35enffmayf15,f008 1 3 4 2 ground ground rf output and bias rf input .020 .508 .070 1.78 .495 .030 12.57 .76 notes: (unless otherwise specified) 1. dimensions are in 2. tolerances in .xxx = 0.005 mm .xx = 0.13 mm .040 1.02 .035 .89 .004 .002 .10 .05
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