Datasheet

1999 Jul 23 7
Philips Semiconductors Product specification
UHF wideband transistor PRF947
Fig.10 Minimum noise figure as a function of
collector current; typical values.
V
CE
=6V.
(1) f = 2 GHz
(2) f = 1.5 GHz
(3) f = 1 GHz
(4) f = 900 MHz
(5) f = 800 MHz
(6) f = 500 MHz.
handbook, halfpage
4
0
2
3
1
MGS504
NF
(dB)
(2)
(3)
(1)
(5)
(6)
(4)
10
−1
11010
2
I
C
(mA)
Fig.11 Minimum noise figure as a function of
frequency; typical values.
V
CE
=6V.
(1) I
C
=30mA
(2) I
C
=15mA
(3) I
C
= 5 mA.
handbook, halfpage
4
0
MGS505
10
2
10
3
10
4
1
2
3
NF
(dB)
f (MHz)
(2)
(3)
(1)