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  SD4590 rf power transistors 800-960 mhz cellular base station n gold metallization n diffused emitter ballasting n internal input/output matching n common emitter configuration n designed for linear operation high saturated power capability 26 volt, 900 mhz performance n p out =150 w min. gain = 8.5 db min. imd 3 = -28db max. @ p out = 150w pep n inherent ruggedness: load mismatch tolerance of 5:1 min. vswr 3 db overdrive capability n esd sensitivity, class 3 (mil std-883d method 3015) description the SD4590 is designed for both analog and digital cellular base stations over the 800 to 960 mhz frequency range, specifically those systems requiring the high linearity and efficiency afforded by class ab operation. integrated input/output pre-matching simplifies amplifier design. ruggedness, mttf, and linearity are enhanced using diffused emitter resistors and refractory/gold metallization. pin connection march 2000 absolute maximum ratings (t case = 25 o c) symbol parameter value unit v cbo collector-base voltage 65 v v ceo collector-emitter voltage 28 v v ebo emitter-base voltage 3.5 v i c device current 25 a p diss power dissipation 300 w t j max. operating junction temperature 200 o c t stg storage temperature -65 to 150 o c thermal data r th(j-c) junction-case thermal resistance 0.60 o c/w m208 epoxy sealed ? order code branding SD4590 SD4590 1. collector 3.base 2. emitter 1/8
electrical specification (t case = 25 o c) static symbol parameter min. typ. max. unit bv cbo i c = 100 ma v be = 0 v 65 80 v bv ceo i c = 100 ma i b = 0 ma 28 30 v bv cer ic = 100 ma r be = 80 w 33 40 v bv ebo i c = 50 ma i c = 0 ma 3.5 4.0 v i ceo v ce = 26 v v be = 0 v 10 ma i ceo v ce = 10 v v be = 0 v 0.5 ma i ebo v be = 1 v v ce = 0 v 0.1 ma i ebo v be = 2.5v v ce = 0 v 3 ma h fe v ce = 5v i c = 6 a 25 45 120 dynamic symbol parameter min. typ. max. unit c ob f = 1 mhz v cb = 26 v for information only - this part is collector matched 75 pf dynamic (cw) symbol parameter min. typ. max. unit p in f = 900 mhz v ce = 26 v i cq = 2x200 ma p out = 150 w 21 w p out f = 900 mhz v ce = 26 v i cq = 2x200 ma p in = 21 w 150 175 w g p f = 900 mhz v ce = 26 v i cq = 2x200 ma p out = 150 w 8.5 9.5 db h c f = 900 mhz v ce = 26 v i cq = 2x200 ma p out = 150 w 50 55 % p 1db f = 900 mhz v ce = 26 v i cq = 2x200 ma 150 160 w ovd f = 900 mhz v ce = 26 v i cq = 2x200 ma set p out = 150 w pep; increase p in 3db no degratation in device performance dynamic (two-tone) symbol parameter min. typ. max. unit *g p v ce = 26 v i cq = 2x200 ma p out = 150 w pep 8.5 9.5 db * h c v ce = 26 v i cq = 2x200 ma p out = 150 w pep 30 35 % *imd 3 v ce = 26 v i cq = 2x200 ma p out = 150 w pep -32 -28 dbt *load mismatch v ce = 26 v i cq = 2x200 ma p out = 150 w pep vswr = 5:1 min @ all phase angles no degratation in device performance *ovd v ce = 26 v i cq = 2x200 ma set p out = 150 w pep; increase p in 3db no degratation in device performance note : f 1 = 900.00 mhz f 2 = 900.10 mhz ref 1016365e tested per side SD4590 2/8
output power vs input power output power vs supply voltage power gain vs output power output power vs frequency intermodulation distortion vs output power broadband performance power gain (db) typical performance 860 mhz 960 mhz 900 mhz vce = 26v i cq = 400ma p in = 36w 36w 30w 24w 18w 12w 16w 6w p in = order 24w 3 rd 5 th 7 th 9 th 8w f 1 = 900.00mhz f 2 = 900.10mhz v ce = 26v i cq = 400ma p g r l h c freq = 900mhz i cq = 400ma freq = 900mhz v ce = 26ma imd i cq = 1200ma 900ma 600ma 400ma 300ma p out = 150wpep v ce = 26v i cq = 400ma v ce = 26v i cq = 400ma SD4590 3/8
series equivalent input/output impedances freq. z in ( w )z cl ( w ) 800 mhz 4.25 + j 12.25 5.75 - j 4.25 820 mhz 4.75 + j 13.25 5.00 - j 2.75 840 mhz 5.25 + j 12.50 5.50 - j 2.50 860 mhz 4.75 + j 10.25 5.00 - j 3.00 880 mhz 6.25 + j 9.00 4.60 - j 2.90 900 mhz 7.75 + j 10.25 4.25 - j 2.90 920 mhz 6.50 + j 11.50 3.95 - j 2.90 940 mhz 6.50 + j 10.25 3.80 - j 2.80 960 mhz 8.50 + j 9.50 3.40 - j 2.85 980 mhz 9.25 + j 11.50 3.10 - j 3.00 1000 mhz 8.50 + j 13.25 2.75 - j 3.15 conditions: v ce = 26v i cq = 2 x 200ma pout = 150w pep imd 3 -28dbt ( d f1 f2 = 100khz) note: a = 800mhz b = 1000mhz (measured in 10mhz increments) a b b z in a z cl SD4590 4/8
test circuit schematic pcb rogers , e r = 2.55, height = 31.25 mil 1 oz. cu. balun 1,2 50 w coaxial cable lenght 2.2" attached to 2 x 50 w printed microstrip transmission lines (see photomaster) c1, c2, c23, c25 75pf ceramic chip atc b c3, c4, c21, c22 2 x 47pf ceramic chip, atc b c5, c16 0.8 - 8pf variable, johanson giga - trim c6, c9 750pf ceramic chip, atc b c7, c10 39nf ceramic chip, atcb c8, c11, c24, c26 47 m f, 50v electrolytic c13, c17 100 m f, 50v electrolytic c12 9.1pf, ceramic chip, atc a c14, c18 39nf ceramic chip (optional) c15, c19 750pf ceramic chip (optional) c20 1.3pf ceramic chip, atc b l1, l4, l5, l8 12 turns, #200 awg, 0.15" i.d. (tight) l2, l3, l6, l7 4 turns, #20awg, 0.13" i.d. (1:1) r1, r2, r3, r4 5 x 50 w chip resistor test circuit component part list SD4590 5/8
test circuit photomaster SD4590 6/8
SD4590 7/8
information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsib ility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectroni cs. specifi cation mentio ned in this publication are subject to change without notice. this publication supersedes and replaces all in formation previou sly supplied. stmicroe lectron ics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectron ics. the st logo is a trademark of stmicroelectronics ? 2000 stmicroelectronics C pr inted in italy C all rights reserved stmicroelectronics group of companies australia - brazil - china - finland - france - germany - hong kong - india - italy - japan - malay sia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - u.s.a. http://www.st.com SD4590 8/8


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