Philips Semiconductors
Product specification
BFG197; BFG197/X;
BFG197/XR
NPN 7 GHz wideband transistor
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX. UNIT
VCBO
VCEO
VEBO
IC
collector-base voltage
collector-emitter voltage
emitter-base voltage
open emitter
open base
−
20
V
−
10
V
open collector
−
2.5
V
collector current
DC value, continuous
−
100
350
+150
175
mA
mW
°C
°C
Ptot
Tstg
Tj
total power dissipation
storage temperature range
junction operating temperature
up to Ts = 75 °C; note 1
−
−65
−
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
VALUE
290
UNIT
Rth j-s
from junction to soldering point; note 1
K/W
Note
1. TS is the temperature at the soldering point of the collector tab.
CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
collector leakage current
DC current gain
CONDITIONS
IE = 0; VCB = 5 V
MIN.
TYP.
MAX. UNIT
ICBO
hFE
Cc
−
−
100
−
nA
IC = 50 mA; VCE = 5 V
40
−
110
1.5
3.3
collector capacitance
emitter capacitance
feedback capacitance
transition frequency
IE = ie = 0; VCB = 8 V; f = 1 MHz
IC = ic = 0; VEB = 0.5 V; f = 1 MHz
IC = ic = 0; VCB = 8 V; f = 1 MHz
IC = 50 mA; VCE = 4 V; f = 2 GHz
−
pF
Ce
−
−
pF
Cre
fT
−
0.85
7.5
16
−
pF
−
−
GHz
dB
GUM
maximum unilateral power gain
(note 1)
IC = 50 mA; VCE = 6 V;
Tamb = 25 °C; f = 1 GHz
−
−
IC = 50 mA; VCE = 6 V;
Tamb = 25 °C; f = 2 GHz
−
−
−
−
10
−
−
−
−
dB
dB
dB
dB
F
noise figure
Γs = Γopt; IC = 15 mA; VCE = 8 V;
Tamb = 25 °C; f = 1 GHz
1.7
2.3
−51
Γs = Γopt; IC = 50 mA; VCE = 6 V;
Tamb = 25 °C; f = 2 GHz
d2
second order intermodulation
distortion
VCE = 6 V;Vo = 50 dBmV;
Note
2
s21
1. GUM is the maximum unilateral power gain, assuming S12 is zero and GUM = 10 log
dB.
------------------------------------------------------------
(1 – s11 2) (1 – s22
)
2
1995 Sep 13
3