PRF957 Datasheet, PDF (7/16 Pages) NXP Semiconductors – UHF wideband transistor

Philips Semiconductors
UHF wideband transistor
Product specification
PRF957
handbook, h⁴alfpage
NF
(dB)
3
(1)
2
(2)
(3)
(4)
(5)
1
(6)
MGS520
0
10^−1
V_CE = 6 V.
(1) f = 2 GHz
(2) f = 1.5 GHz
(3) f = 1 GHz
1
10 _{IC (mA)} 10²
(4) f = 900 MHz
(5) f = 800 MHz
(6) f = 500 MHz.
Fig.10 Minimum noise figure as a function of
collector current; typical values.
4
handbook, halfpage
NF
(dB)
3
2
1
MGS521
(1)
(2)
(3)
0
10²
V_CE = 6 V.
(1) I_C = 30 mA
(2) I_C = 15 mA
(3) I_C = 5 mA.
10³
f (MHz)
10⁴
Fig.11 Minimum noise figure as a function of
frequency; typical values.
1999 Jul 23
7