1920CD60 60 watts pep, 25 volts, class ab cdma personal 1930 - 1990 mhz general description case outline the 1920CD60 is a common emitter transistor capable of providing 60 watts of class ab, rf pep output power over the band 1930-1990 mhz. this transistor is specifically designed for linear personal (pcs) cdma communications base station amplifier applications. it includes two stage input and single output prematching. it u tilizes gold metalization and emitter ballasting to provide high reliab ility and supreme ruggedness. 55sw, style 2 common emitter absolute maximum ratings maximum power dissipation @ 25 c 200 watts o maximum voltage and current bvces collector to emitter voltage 55 volts bvcer collector to emitter voltage 50 volts bvebo emitter to base voltage 3.5 volts ic collector current 20.0 amps maximum temperatures storage temperature - 65 to + 150 c o operating junction temperature + 200 c o electrical characteristics @ 25 c o symbol characteristics test conditions min typ max units pout - 1 db pin rl h c vswr 1 pg - ss power out - pep f =1930 - 1990 mhz 60 watt power input - pep vce = 25 volts 8.5 10.5 watt return loss icq = 400 mamps -10 db collector efficiency as above 42 44 % load mismatch tolerance 3:1 power gain - small signal 9.0 db f = 1930 mhz, cdma power pave = +39 dbm pout = 20 w pep 8.5 sr* - cdma spectral regrowth adjacent channel power ratio vce = 25 v, pave = +39 dbm measurement bw = 30 khz -38 dbc * spectral regrowth is measured at 885 khz offset frequency from reference channel center. bvces bvcer bvebo ices h fe q jc collector to emitter breakdown ic = 100 ma 55 volts collector to emitter breakdown ic = 100 ma, re = 10 ohms 50 volts emitter to base breakdown ie = 25 ma 3.5 volts collector leakage current vce = 27 volts 30 ma dc - current gain vce = 5 v, ic = 1.5 a 20 100 thermal resistance .87 c/w tc = 25 c o o issue b, january 1998 ghz technology, inc. reserves the right to make changes without further notice. ghz recommends that before the product(s) described herein are written into specifications, or used in critical applications, that the performance characteristics be verified by contacting the factory.
typical performance 1920CD60 july 1997
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