2SC4265
Oscillating Output Voltage
vs. Collector Current
Oscillating Output Voltage V
osc1
(mV)
500
V
CC
= 12 V
f
osc
= 300 MHz
Oscillating Output Voltage
vs. Supply Voltage
Oscillating Output Voltage V
osc1
(mV)
250
400
200
300
150
200
100
I
C
= 7 mA
f
osc
= 300 MHz
100
50
0
2
4
6
8
10
0
4
8
12
16
20
Collector Current I
C
(mA)
Oscillating Output Voltage
vs. Collector Current
Oscillating Output Voltage V
osc2
(mV)
200
Supply Voltage V
CC
(V)
Oscillating Output Voltage
vs. Supply Voltage
Oscillating Output Voltage V
osc2
(mV)
200
160
160
120
120
80
80
40
V
CC
= 12 V
f
osc
= 930 MHz
2
4
6
8
10
40
I
C
= 7 mA
f
osc
= 930 MHz
4
8
12
16
20
0
0
Collector Current I
C
(mA)
Supply Voltage V
CC
(V)
Conversion Gain vs. Collector Current
25
20
V
CC
= 12 V
f = 200 MHz
f
osc
= 230 MHz
(0 dBm)
Noise Figure vs. Collector Current
Conversion Gain CG (dB)
15
Noise Figure NF (dB)
20
16
12
10
8
V
CC
= 12 V
f = 200 MHz
f
osc
= 230 MHz
(0 dBm)
1
2
3
4
5
5
4
0
2
4
6
8
10
0
Collector Current I
C
(mA)
Collector Current I
C
(mA)
Rev.3.00 Aug 10, 2005 page 4 of 5
RENESAS [ RENESAS TECHNOLOGY CORP ]
