Datasheet

2009-12-02
BFP420
3
Electrical Characteristics at T
A
= 25°C, unless otherwise specified
Parameter
Symbol Values Unit
min. typ. max.
AC Characteristics (verified by random sampling)
Transition frequency
I
C
= 30 mA, V
CE
= 3 V, f = 2 GHz
f
T
18 25 - GHz
Collector-base capacitance
V
CB
= 2 V, f = 1 MHz, V
BE
= 0 ,
emitter grounded
C
cb
- 0.15 0.3 pF
Collector emitter capacitance
V
CE
= 2 V, f = 1 MHz, V
BE
= 0 ,
base grounded
C
ce
- 0.37 -
Emitter-base capacitance
V
EB
= 0.5 V, f = 1 MHz, V
CB
= 0 ,
collector grounded
C
eb
- 0.55 -
Noise figure
I
C
= 5 mA, V
CE
= 2 V, f = 1.8 GHz, Z
S
= Z
Sopt
F
- 1.1 - dB
Power gain, maximum stable
1)
I
C
= 20 mA, V
CE
= 2 V, Z
S
= Z
Sopt
,
Z
L
= Z
Lopt
, f = 1.8 GHz
G
ms
- 21 - dB
Insertion power gain
V
CE
= 2 V, I
C
= 20 mA, f = 1.8 GHz,
Z
S
= Z
L
= 50 Ω
|S
21
|
2
14 17 -
Third order intercept point at output
2)
V
CE
= 2 V, I
C
= 20 mA, f = 1.8 GHz,
Z
S
= Z
L
= 50 Ω
IP
3
- 22 - dBm
1dB Compression point at output
I
C
= 20 mA, V
CE
= 2 V, Z
S
= Z
L
= 50 Ω,
f = 1.8 GHz
P
-1dB
- 12 -
1
G
ms
= |
S
21
/
S
12
|
2
IP3 value depends on termination of all intermodulation frequency components.
Termination used for this measurement is 50
Ω from 0.1 MHz to 6 GHz