2005-10-17
3
BFR380F
Electrical Characteristics at T
= 25°C, unless otherwise specified
Parameter Symbol Values Unit
min. typ. max.
AC Characteristics (verified by random sampling)
Transition frequency
IC = 40 mA, VCE = 3 V, f = 1 GHz fT11 14 - GHz
Collector-base capacitance
VCB = 5 V, f = 1 MHz, VBE = 0 ,
emitter grounded
Ccb - 0.5 0.7 pF
Collector emitter capacitance
VCE = 5 V, f = 1 MHz, VBE = 0 ,
base grounded
Cce - 0.2 -
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz, VCB = 0 ,
collector grounded
Ceb - 1 -
Noise figure
IC = 8 mA, VCE = 3 V, ZS = ZSopt , f = 1.8 GHz
IC = 8 mA, VCE = 3 V, ZS = ZSopt , f = 3 GHz
Fmin
-
-
1.1
1.6
-
-
dB
Power gain, maximum available1)
IC = 40 mA, VCE = 3 V, ZS = ZSopt ,
ZL = ZLopt , f = 1.8 GHz
IC = 40 mA, VCE = 3 V, ZS = ZSopt ,
ZL = ZLopt , f = 3 GHz
Gma
-
-
13.5
9.5
-
-
Transducer gain
IC = 40 mA, VCE = 3 V, ZS = ZL = 50Ω ,
f = 1.8 GHz
f = 3 GHz
|S21e|2
-
-
11
7
-
-
dB
Third order intercept point at output2)
VCE = 3 V, IC = 40 mA, ZS=ZL=50 Ω, f = 1.8 GHz IP3- 29 - dBm
1dB Compression point at output
IC = 40 mA, VCE = 3 V, ZS=ZL=50 Ω, f = 1.8 GHz P-1dB - 17 -
1Gma = |S21e / S12e| (k-(k²-1)1/2)
2IP3 value depends on termination of all intermodulation frequency components.
Termination used for this measurement is 50Ω from 0.1 MHz to 6 GHz