2SC2463 Datasheet, PDF (4/7 Pages) Hitachi Semiconductor – Silicon NPN Epitaxial

2SC2463
Emitter Input Capacitance vs.
Emitter to Base Voltage
10
I_C = 0
f= 1 MHz
5
2
1
1
2
5
10
Emitter to Base Voltage V_EB (V)
Contours of Constant Noise Figure
100
V_CE = 6 V
f = 120 Hz
30
10
3
8
1
d6Bd4Bd2BdB
dB
1.0
0.3
0.1
0.001 0.003 0.01 0.03 0.1 0.3 1.0 3.0
Collector Current I_C (mA)
Noise Figure vs. Frequency
12
10
V_CE = 6 V
I_C = 0.1 mA
8
R_g = 10 kΩ
6
4
2
0
10 20
50 100 200 500 1 k
Frequency f (Hz)
Contours of Constant Noise Figure
100 _{1 dB}
30 _{2 dB}
10 ⁴ dB
6 _dB
3 8 _dB
1.0 ^{10 dB}
V_CE = 6 V
f = 10 Hz
0.3
0.1
0.001 0.003 0.01 0.03 0.1 0.3 1.0 3.0
Collector Current I_C (mA)
Contours of Constant Noise Figure
100
V_CE = 6 V
30
f = 1 kHz
10
1 _dB
3
2 _dB
1.0
0.3
10 _d8Bd6Bd4BdB
1
4
2 _dB
dB
6
dB
d81Bd0BdB
0.1
0.001 0.003 0.01 0.03 0.1 0.3 1.0 3.0
Collector Current I_C (mA)
Noise Figure vs. Collector to
Emitter Voltage
10
8
I_C = 0.1 mA
f = 10 Hz
R_g = 10 kΩ
6
4
2
0
1
2
5 10 20
50
Collector to Emitter Voltage V_CE (V)
Rev.2.00 Aug 10, 2005 page 4 of 6