20 stern ave. springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212) 227-6005 fax: (973) 376-8960 the rf line vhf power transistors ... designed primarily for wideband, large-signal output amplifier stages in the 30-200 mhz frequency range. ? guaranteed performance at 175 mhz, 28 vdc output power ? 4 to 25 watts minimum gain ? 10 to 13 db collector efficiency ? 60%, min ? 100% tested for load mismatch at all phase angles with 30:1 vswr ? gold metallization for improved reliability ? diffused ballast resistors PT9730 series maximum ratings 10 to 13 db to 200 mhz 4 to 25 watts vhf power transistors rating collector-emitter voltage collector-base voltage emitter-base voltage collector current ? continuous total device dissipation (s tc = 25c derate above 25c operating junction temperature storage temperature range symbol vceo vces vebo ic pd tj tstg 9730 9732 9734 9731 35 60 4 1 10 0.06 1.25 20 0.114 2.5 30 0.173 4 45 0.257 200 -65 to +150 unit vdc vdc vdc adc watts w/c c c thermal characteristics characteristic thermal resistance, junction to case symbol rwc max 17.5 electrical characteristics characteristic symbol min 8.8 5.8 typ 3.9 unit c/w max unit off characteristics collector-emitter breakdown voltage dc = 25 ma, ig = 0) collector-emitter breakdown voltage dc - 50 ma. vbe - 0) emitter-base breakdown voltage he = 1 ma, ic = 0) collector cutoff current PT9730 (vce = 25 v. vbe = > pt9732 pt9734 pt9731 vibriceo v(br)ces v(br)ebo ices 35 60 4 - ? ? - - ? ? ? 0.5 1 1.5 2 vdc vdc vdc madc on characteristics dc current gain dc = 500 ma. vce = 10 v) "fe 20 _ 150 ? dynamic characteristics output capacitance PT9730 (vcb = 28 v, ie = 0. f = 1 mhz) pt9732 pt9734 pt9731 cob - - 12 18 24 40 pf quality semi-conductors
li ne. 20 stern ave. springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 PT9730 series electrical characteristics ? continued i characterise symbol mln typ max unit functional tests common-emitter amplifier power gain PT9730 (vce - 28 v, pout = rated, f = 175 mhz) pt9732 pt9734 pt9731 collector efficiency (vce - 28 v, pout = rated, f = 175 mhz) load mismatch (vce = 28 v, pout = rated, f = 175 mhz, load vswr = o:1. all phase angles) saturated output power PT9730 (vce = 28 v, f = 175 mhz) pt9732 pt9734 pt9731 gpe 1c * psat 13 12 11.8 10 60 6 10 18 30 - ? - - db % no degradation in output power - - w j / & v /, '// / /, / ^ / . v/-c 24v 20v f = 1 5mhl typical characteristics PT9730 ? 4 watts 0.6 0.1 0.2 03 0.4 0.5 pin. power input (watts) rgure 1. power input versus power output 7 -1 -5 = 4w ? = 28v 220 100 120 140 160 180 200 f, frequency imhzl figure 3. series input impedance versus frequency looo sv "0 0.1 0.2 0.3 0.4 0.5 it collector current (amps) figure 5. cutoff frequency versus current quality semi-conductors 100 120 140 160 180 200 220 f, frequency imhil rgure 2. power gain versus frequency 60 100 120 140 160 180 200 220 i, frequency imhz) rgure 4. series load impedance versus frequency t, couectofl current (amps) 11 1 5 g 8 - 2 . t( \ 25 \ 5 10 20 so 100 vce, collecton-to-emitter voltage (v) rgura 6. safe operating area
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