PRF949 データシートの表示（PDF） - NXP Semiconductors.
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PRF949 Datasheet PDF : 16 Pages
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Philips Semiconductors
UHF wideband transistor
Product specification
PRF949
handbook, full pagewidth
unstable region
source
90°
+1
135° +0.5
unstable
region load
1.0
+2
45°
0.8
0.6
f = 1 GHz; VCE = 6 V;
IC = 5 mA; Zo = 50 Ω.
(1) G = 17 dB.
(2) G = 16 dB.
(3) G = 15 dB.
(4) NF = 1.6 dB.
(5) NF = 1.8 dB.
(6) NF = 2 dB.
+ 0.2
180° 0
− 0.2
(1)
0.5
(2)
(3)
Γopt
1
2 (4)
(5)
(6)
+5
5
−5
0.4
0.2
0° 0
− 0.5
−135°
−1
− 90°
−2 −45°
1.0
MGS506
Fig.12 Common emitter available gain, noise and stability circles; typical values.
handbook, full pagewidth
90°
unstable region
source
+1
135°
+ 0.5
180°
f = 2 GHz; VCE = 6 V; IC = 5 mA;
Zo = 50 Ω.
(1) Gmax = 10.9 dB.
(2) G = 10 dB.
(3) G = 9 dB.
(4) G = 8 dB.
(5) NF = 2.1 dB.
(6) NF = 2.3 dB.
(7) NF = 2.5 dB.
+ 0.2
(1)
0.5
0
0.2
− 0.2
−135°
(2)
(3)
(4)
− 0.5
Γopt
1
(5)
(6)
(7)
−1
− 90°
unstable
region load
1.0
+2
45°
0.8
0.6
0.4
+5
0.2
2
5
0° 0
−5
−2 −45°
1.0
MGS507
Fig.13 Common emitter available gain, noise and stability circles; typical values.
2000 Apr 03
8
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