PMBTH81 Datasheet, PDF (4/7 Pages) NXP Semiconductors – PNP 1 GHz switching transistor

Philips Semiconductors
PNP 1 GHz switching transistor
Product specification
PMBTH81
handbook^−,³h⁰alfpage
b11
(mS)
−50
930 MHz
450 MHz
250 MHz
MRA568
IC _{= 4 mA} ^{100 MHz}
−70
8 mA
−90
−110
−20
20
12 mA
60
100
140
g11 (mS)
V_CB = 10 V; T_amb = 25 °C.
Fig.2 Common base input admittance (Y₁₁).
120
handbook, halfpage
b21
(mS)
100 MHz IC ₌
12 mA
80
8 mA
4 mA
40
MRA566
250 MHz
450 MHz
930
MHz
0
−120
−80
−40
0
40
g21 (mS)
V_CB = 10 V; T_amb = 25 °C.
Fig.3 Forward transfer admittance (Y₂₁).
0
handbook, halfpage
b12
(mS)
−2
−4
−6
MRA570
100 MHz
250 MHz
450 MHz
IC _{= 12 mA}
8 mA 4 mA
930 MHz
−8
−2.5
−2
−1.5
−1
−0.5
0
g12 (mS)
V_CB = 10 V; T_amb = 25 °C.
Fig.4 Reverse transfer admittance (Y₁₂).
12
handbook, halfpage
b22
(mS)
8
930 MHz
IC _{= 4 mA}
8 mA
4 _{450 MHz}
12 mA
250 MHz
100 MHz
0
0
1
2
MRA569
3
4
g22 (mS)
V_CB = 10 V; T_amb = 25 °C.
Fig.5 Common base output admittance (Y₂₂).
September 1995
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