PRF957 データシートの表示（PDF） - NXP Semiconductors.
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PRF957 Datasheet PDF : 16 Pages
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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
VCE = 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
VCE = 6 V.
(1) IC = 30 mA
(2) IC = 15 mA
(3) IC = 5 mA.
103
f (MHz)
104
Fig.11 Minimum noise figure as a function of
frequency; typical values.
1999 Jul 23
7
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