2SC4126 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – Silicon NPN Epitaxial

2SC4126
S Parameters (Emitter Common)
Test condition V_CE = 5 V, Z_O = 50 Ω, Freq. = 100 to 1000 MHz (100 MHz Step)
S11-Frequency
0.8 ¹
0.6
1.5
2
0.4
3
4
0.2
5
150°
1000 MHz
0
0.2
0.6 0.8 1
1.5 2
10
3 4 5 10 _∞
–180°
–0.2
–0.4
–0.6
I_C = 20 mA
100 MHz
–10
–5
–4
I_C = 5 mA
–3
–0.8 _–1
–2
–1.5
–150°
120°
S21-Frequency
90°
Scale : 10/div
60°
I_C = 20 mA
100 MHz
I_C = 5 mA 1000 MHz
30°
0°
–120°
–90°
–30°
–60°
150°
–180°
–150°
120°
–120°
S12-Frequency
S22 -Frequency
90°
Scale : 0.4/div
60°
0.8 ¹
0.6
1.5
2
1000 MHz
I_C = 20 mA
0.4
30°
0.2
3
4
5
I_C = 5 mA
10
100 MHz
0° ⁰
0.2 0.4 0.6 0.8 1 1.5 2 3 4 5 10 _∞
1000 MHz
I_C = 5 mA _–10
–90°
–60°
–0.2
–30°
–0.4
–0.6
–0.8
I_C
=
20
mA
100
–5
MHz–4
–3
–2
–1.5
–1
5