tsdf1205 Vishay, tsdf1205 Datasheet - Page 3

• Manufacturer Part Number: tsdf1205
• Description: 12 Ghz Silicon Npn Planar Rf Transistor
• Manufacturer: Vishay

Electrical AC Characteristics
T
Typical Characteristics (Tamb = 25 °C unless otherwise specified)
Document Number 85065
Rev. 1.5, 02-May-05
Transition frequency
Collector-base capacitance
Collector-emitter capacitance
Emitter-base capacitance
Noise figure
Power gain
Transducer gain
amb
14284
14285
Figure 1. Total Power Dissipation vs. Ambient Temperature
= 25 °C, unless otherwise specified
100
Figure 2. Transition Frequency vs. Collector Current
80
60
40
20
16
14
12
10
0
8
6
4
2
0
0
0
Parameter
f =1 GHz
20
T
2
amb
I
40
C
- Ambient Temperature ( ° C )
- Collector Current ( mA )
4
60
6
V
80 100 120 140 160
CE
8
= 2 V
V
V
V
V
V
Z
V
(@F
V
Z
V
f = 2 GHz
CE
CB
CE
EB
CE
L
CE
CE
L
CE
10
V
= 50 Ω, f = 2 GHz
= 50 Ω f = 2 GHz
CE
TSDF1205 / 1205R / 1205W / 1205RW
opt
= 0.5 V, f = 1 MHz
= 2 V, I
= 2 V, I
= 2 V, I
= 2 V, I
= 1 V, f = 1 MHz
= 1 V, f = 1 MHz
= 2 V, I
= 3 V
12
)
Test condition
C
C
C
C
C
14
= 2 mA, Z
= 5 mA, Z
= 5 mA, Z
= 2 mA, f = 2 GHz
= 5 mA, f = 1 GHz
S
S
0
= Z
= Z
= 50 Ω,
Sopt
Sopt
,
,
Symbol
Figure 3. Collector Base Capacitance vs. Collector Base Voltage
|S
G
G
C
C
C
14286
14287
21e
f
F
T
cb
ce
eb
pe
pe
|
2
0.5
0.4
0.3
0.2
0.1
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
0
Figure 4. Noise Figure vs. Collector Current
V
f = 2 GHz
Z
V
CE
S
Min
CB
= 50 Ω
1
1
= 2 V
I
- Collector Base Voltage ( V )
C
- Collector Current ( mA )
2
2
Vishay Semiconductors
3
0.35
0.15
11.5
12.5
Typ.
0.2
1.3
12
13
3
4
4
5
Max
5
6
www.vishay.com
GHz
Unit
pF
pF
pF
dB
dB
dB
dB
3