2012-08-14
3
BFR93A
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 = 30 mA, VCE = 8 V, f = 500 MHz
fT4.5 6 - GHz
Collector-base capacitance
VCB = 10 V, f = 1 MHz, VBE = 0 ,
emitter grounded
Ccb - 0.54 0.8 pF
Collector emitter capacitance
VCE = 10 V, f = 1 MHz, VBE = 0 ,
base grounded
Cce - 0.25 -
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz, VCB = 0 ,
collector grounded
Ceb - 1.9 -
Minimum noise figure
IC = 5 mA, VCE = 8 V, ZS = ZSopt,
f = 900 MHz
IC = 5 mA, VCE = 8 V, ZS = ZSopt,
f = 1.8 GHz
NFmin
-
-
1.5
2.6
-
-
dB
Power gain, maximum available1)
IC = 30 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt ,
f = 900 MHz
IC = 30 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt,
f = 1.8 GHz
Gma
-
-
14.5
9.5
-
-
Transducer gain
IC = 30 mA, VCE = 8 V, ZS = ZL = 50 Ω,
f = 900 MHz
IC = 30 mA, VCE = 8 V, ZS = ZL = 50 Ω,
f = 1.8 MHz
|S21e|2
-
-
12.5
7
-
-
dB
1Gma = |S21e / S12e| (k-(k²-1)1/2)