2SC4197
Main Characteristics
Maximum Collector Dissipation Curve
DC Current Transfer Ratio vs.
Collector Current
200
Collector Power Dissipation P
C
(mW)
DC Current Transfer Ratio h
FE
150
V
CE
= 5 V
160
100
120
80
50
40
0
0
50
100
150
1
2
5
10
20
50
Ambient Temperature Ta (°C)
Collector Current I
C
(mA)
Collector Output Capacitance vs.
Collector to Base Voltage
Gain Bandwidth Product vs.
Collector Current
Collector Output Capacitance C
ob
(pF)
Gain Bandwidth Product f
T
(GHz)
5
V
CE
= 5 V
4
1.2
I
E
= 0
f = 1 MHz
1.1
3
1.0
2
0.9
1
0.8
0
1
2
5
10
20
50
0.7
1
2
5
10
20
50
Collector Current I
C
(mA)
Conversion Gain, Noise Figure
vs. Supply Voltage
25
I
C
= 0.8 mA
f = 900 MHz
20
CG
25
Collector to Base Voltage V
CB
(V)
Conversion Gain, Noise Figure
vs. Collector Current
V
CC
= 3 V
f = 900 MHz
20
Conversion Gain CG (dB)
Noise Figure NF (dB)
Conversion Gain CG (dB)
Noise Figure NF (dB)
CG
15
15
NF
10
NF
5
f
out
= 30 MHz
f
osc
= 930 MHz (−5 dBm)
0
1
2
5
10
10
5
f
out
= 30 MHz
f
osc
= 930 MHz (−5 dBm)
0
0.1
0.2
0.5
1.0
2
5
Supply Voltage V
CC
(V)
Collector Current I
C
(mA)
Rev.3.00 Aug 10, 2005 page 3 of 9
RENESAS [ RENESAS TECHNOLOGY CORP ]
