March 1993

13

Philips Semiconductors

Product specification

HF/VHF power transistor

BLW85

Fig.20 Power gain as a function of frequency.

handbook, halfpage

30

10

MGP628

110

Gp

(dB)

20

f (MHz)

Fig.21 Input impedance (series components) as a

function of frequency.

handbook, halfpage

10

0

MGP629

110

2.5

5

7.5

5

−5

−2.5

0

2.5

ri

(

Ω)

xi

(

Ω)

f (MHz)

xi

ri

Fig. 20 and 21 are typical curves and hold for an unneutralized amplifier in s.s.b. class-AB operation.

Conditions: