3SK228 gaas dual gate mes fet ade-208-280 1st. edition application uhf tv tuner rf amplifier outline
3SK228 2 absolute maximum ratings (ta = 25?) item symbol ratings unit drain to source voltage v ds 12 v gate 1 to source voltage v g1s ? v gate 2 to source voltage v g2s ? v drain current i d 50 ma channel power dissipation pch 150 mw channel temperature tch 125 ? storage temperature tstg ?5 to +125 ? electrical characteristics (ta = 25?) item symbol min typ max unit test conditions drain to source cutoff current i dsx 50 ? v ds = 12 v, v g1s = ? v, v g2s = 0 gate 1 to source breakdown voltage v (br)g1ss ? v i g1 = ?0 ?, v g2s = v ds = 0 gate 2 to source breakdown voltage v (br)g2ss ? v i g2 = ?0 ?, v g1s = v ds = 0 gate 1 cutoff current i g1ss ? ? v g1s = ? v, v g2s = v ds = 0 gate 2 cutoff current i g2ss ? ? v g2s = ? v, v g1s = v ds = 0 drain current i dss 10 17 32 ma v ds = 5 v, v g1s = v g2s = 0 gate 1 to source cutoff voltage v g1s(off) ?.1 ?.5 v v ds = 5 v, v g2s = 0, i d = 100 ? gate 2 to source cutoff voltage v g2s(off) ?.1 ?.5 v v ds = 5 v, v g1s = 0, i d = 100 ? forward transfer admittance |y fs | 20 34 ms v ds = 5 v, v g2s = 1 v, i d = 10 ma, f = 1 khz input capacitance ciss 0.58 1.0 pf v ds = 5 v, v g1s = v g2s = ? v, f = 1 mhz output capacitance coss 0.36 0.6 pf reverse transfer capacitance crss 0.028 0.05 pf power gain pg 17 19.6 db v ds = 5 v, v g2s = 1 v, i d = 10 ma, f = 900 mhz noise figure nf 1.3 2.0 db note: marking is ?r.
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3SK228 6 power gain, noise figure test circuit
3SK228 7 when using this document, keep the following in mind: 1. this document may, wholly or partially, be subject to change without notice. 2. all rights are reserved: no one is permitted to reproduce or duplicate, in any form, the whole or part of this document without hitachi? permission. 3. hitachi will not be held responsible for any damage to the user that may result from accidents or any other reasons during operation of the user? unit according to this document. 4. circuitry and other examples described herein are meant merely to indicate the characteristics and performance of hitachi? semiconductor products. hitachi assumes no responsibility for any intellectual property claims or other problems that may result from applications based on the examples described herein. 5. no license is granted by implication or otherwise under any patents or other rights of any third party or hitachi, ltd. 6. medical applications: hitachi? products are not authorized for use in medical applications without the written consent of the appropriate officer of hitachi? sales company. such use includes, but is not limited to, use in life support systems. buyers of hitachi? products are requested to notify the relevant hitachi sales offices when planning to use the products in medical applications.
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