Datasheet

2010-03-12
3
BFQ19S
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
= 70 mA, V
CE
= 8 V, f = 500 MHz
f
T
4 5.5 - GHz
Collector-base capacitance
V
CB
= 10 V, f = 1 MHz, V
BE
= 0 ,
emitter grounded
C
cb
- 1.05 1.35 pF
Collector emitter capacitance
V
CE
= 10 V, f = 1 MHz, V
BE
= 0 ,
base grounded
C
ce
- 0.4 -
Emitter-base capacitance
V
EB
= 0.5 V, f = 1 MHz, V
CB
= 0 ,
collector grounded
C
eb
- 3.9 -
Noise figure
I
C
= 20 mA, V
CE
= 6 V, Z
S
= Z
Sopt
,
f = 900 MHz
f = 1.8 GHz
F
-
-
1.8
3
-
-
dB
Power gain, maximum available
1)
I
C
= 70 mA, V
CE
= 8 V, Z
S
= Z
Sopt,
Z
L
= Z
Lopt
,
f = 900 MHz
f = 1.8 GHz
G
ma
-
-
11.5
7
-
-
Transducer gain
I
C
= 30 mA, V
CE
= 8 V, Z
S
= Z
L
= 50Ω,
f = 900 MHz
f = 1.8 GHz
|S
21e
|
2
-
-
9.5
4
-
-
dB
Third order intercept point at output
V
CE
= 8 V, I
C
= 70 mA, Z
S
= Z
Sopt
, Z
L
= Z
Lopt
,
f = 1.8 GHz
IP
3
- 32 - dBm
1
G
ma
= |S
21
/S
12
| (k-(k
2
-1)
1/2
)