2729GN-400 rev 1 microsemi rfis ts reserves the righ t to make changes without further notice. to verify the current version please check our web site at www.microsemi.com or contact our factory directly. general description the 2729GN-400 is an internally matched, common source, class ab gan on sic hemt transistor capable of providing over 11db gain, 400 watts of pulsed rf output power at 100 s pulse width, 10% duty factor across the 2700 to 2900 mhz band. the transistor has internal pre-match for optimal performance . this hermetically sealed transistor is specifically designed for s- band radar applications. it utilizes gold metallization and eutectic attach to provide highest reliability and superior ruggedness. case outline 55-kr common source absolute maximum ratings maximum power dissipation device dissipation @ 25 ? c 850 w maximum voltage and current drain-source voltage (v dss ) 150 v gate-source voltage (v gs ) -8 to +0 v maximum temperatures storage temperature (t stg ) -55 to +125 ? c operating junction temperature +250 ? c electrical characteristics @ 25 ? c symbol characteristics test conditions min typ max units pout output power pout=400w, freq=2.7, 2.8, 2.9 ghz 400 420 w gp power gain pout=400w, freq=2.7, 2.8, 2.9 ghz 11 11.6 db ? d drain efficiency pout=400w, freq=2.7, 2.8, 2.9 ghz 42 45 % r/l input return loss pout=400w, freq=2.7, 2.8, 2.9 ghz -8 db vswr-t load mismatch tolerance pout=400w, freq= 2.8 ghz 3:1 ? jc thermal resistance pulse width= 100us, duty=10% 0.24 c/w ? bias condition: vdd=+65v, idq=75ma av erage current (vgs= -2.0 ~ -4.5v typical) functional characteristics @ 25 ? c i d(off) drain leakage current v gs = -8v, v d = 65v 8 ma i g(off) gate leakage current v gs = -8v, v d = 0v 5 ma bv dss drain-source breakdown voltage v gs =-8v, i d = 10ma 250 v issue may 2012 2729GN-400 400 watts - 65 volts, 100 ? s, 10% radar 2700 - 2900 mhz downloaded from: http:///
2729GN-400 rev 1 microsemi rfis ts reserves the righ t to make changes without further notice. to verify the current version please check our web site at www.microsemi.com or contact our factory directly. typical performance data: frequency pin (w) pout (w) id (a) rl (db) nd (%) g (db) 2700 mhz 28.2 412 1.45 -14 45 11.6 2800 mhz 28.2 422 1.61 -14 49 11.7 2900 mhz 28.2 408 1.4 -9 51 11.5 model 2729GN-400: pin vs pout & gain vdd= 65v, idq=750ma, 100us @ 10% 0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0 450.0 15.0 17.0 19.0 21.0 23.0 25.0 27.0 29.0 31.0 pin(w) pout(w) 10 12 14 16 18 20 22 24 gain(db) 2.7ghz 2.8ghz 2.9ghz model 2729GN-400: pin vs efficiency vdd=65v, iqd=.750a, 100us @ 10% 0% 10% 20% 30% 40% 50% 60% 15.0 17.0 19.0 21.0 23.0 25.0 27.0 29.0 31.0 33.0 pin(w) efficiency(%) 2.7ghz 2.8ghz 2.9ghz 2729GN-400 500 watts - 65 volts, 100 ? s, 10% radar 2700 - 2900 mhz downloaded from: http:///
2729GN-400 rev 1 microsemi rfis ts reserves the righ t to make changes without further notice. to verify the current version please check our web site at www.microsemi.com or contact our factory directly. transistor impedance information note: z source is looking into the input circuit; load z is looking into the output circuit. impedance data freq (ghz) zs zl 2.7 4.61 C j11.51 2.83 C j1.33 2.8 3.96 C j10.79 2.72 C j.95 2.9 3.29 C j9.86 2.67 C j.56 2729GN-400 500 watts - 65 volts, 100 ? s, 10% radar 2700 - 2900 mhz downloaded from: http:///
2729GN-400 rev 1 microsemi rfis ts reserves the righ t to make changes without further notice. to verify the current version please check our web site at www.microsemi.com or contact our factory directly. test circuit diagram board material: roger duriod 6006 @ 25 mil thickness, er=6.15 2729GN-400 500 watts - 65 volts, 100 ? s, 10% radar 2700 - 2900 mhz downloaded from: http:///
2729GN-400 rev 1 microsemi rfis ts reserves the righ t to make changes without further notice. to verify the current version please check our web site at www.microsemi.com or contact our factory directly. 55-kr package dimension dimension min (mil) min (mm) max (mil) max (mm) a 370 9.40 372 9.44 b 498 12.65 500 12.7 c 700 17.78 702 17.83 d 830 21.08 832 21.13 e 1030 26.16 1032 26.21 f 101 2.56 102 2.59 g 151 3.84 152 3.86 h 385 9.78 387 9.83 i 130 3.30 132 3.35 j 003 .076 004 0.10 k 135 3.43 137 3.48 l 105 2.67 107 2.72 m 085 2.16 86 2.18 n 065 1.65 66 1.68 2729GN-400 500 watts - 65 volts, 100 ? s, 10% radar 2700 - 2900 mhz downloaded from: http:///
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