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Philips Semiconductors B.V.
Low cost DECT Power Amplifier PH9 7005
Prelim in ary A pplication No te RNR-T4 5-97-M-0 931
Au th or
L.C. Colussi
Novemb er 2 1, 19 97 Discre te Se micon ducto rs Nijmege n Gerstwe g 2, 65 34 AE Nijme gen Th e Netherland s
Key words PA, DECT, DPO, BFG4 25W, BFG2 1W Abs trac t Ap plicatio n of n ew 5th gen eration discrete bipo la r RF tra nsistors facilitates d esign o f a low cost two-stage p owe r amp lifier fo r DECT syste ms, h aving a p owe r gain of 26 dB a nd an overall efficie ncy b ette r than 4 0%. The amp lifie r ope ra te s fr om a sing le supp ly volta ge, in clude s bias circuitry for loa d pow er ad ju stmen t an d on/off switch in g and is mou nted on a b ilayer p cb, requ irin g 10 x 20 mm .
PH97005 Datasheet
