Philips Semiconductors
VHF power transistor
Product specification
BLW30
handbook, h3alfpage
Zi
(Ω)
2
1
MRA379
ri
xi
0
100
150
200
250
f (MHz)
Class-B operation; VCE = 12.5 V; PL = 30 W.
Fig.10 Input impedance (series components) as a
function of frequency, typical values.
handbooZkL, h4alfpage
(Ω)
3
2
MRA380
RL
1
0
XL
-1
-2
100
150
200
250
f (MHz)
Class-B operation; VCE = 12.5 V; PL = 30 W.
Fig.11 Load impedance (series components) as a
function of frequency, typical values.
handbGooPk, halfpage
(dB)
15
MRA377
handbook, halfpage
Zi
ZL MBA451
Fig.12 Definition of transistor impedance.
10
5
0
100
150
200
250
f (MHz)
Class-B operation; VCE = 12.5 V; PL = 30 W.
Fig.13 Power gain as a function of frequency,
typical values.
September 1991
9