BFQ621 查看數據表（PDF） - Philips Electronics
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BFQ621 Datasheet PDF : 10 Pages
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Philips Semiconductors
NPN 7 GHz wideband transistor
Product specification
BFQ621
CHARACTERISTICS
Tj = 25 °C (unless otherwise specified).
SYMBOL
PARAMETER
CONDITIONS
MIN.
V(BR)CBO
V(BR)CEO
V(BR)EBO
ICBO
hFE
fT
Cc
Ce
Cre
GUM
VO
d2
collector-base breakdown voltage IC = 0.1 mA; IE = 0
−
collector-emitter breakdown voltage IC = 10 mA; IB = 0
−
emitter-base breakdown voltage IE = 0.1 mA; IC = 0
−
collector-base leakage current
IE = 0; VCB = 18 V
−
DC current gain
transition frequency
IC = 50 mA; VCE = 10 V
50
IC = 120 mA; VCE = 18 V;
−
f = 1 GHz; see Fig.3
collector capacitance
IE = ie = 0; VCB = 18 V;
−
f = 1 MHz
emitter capacitance
IC = ic = 0; VEB = 0.5 V;
−
f = 1 MHz
feedback capacitance
IC = 0; VCE = 18 V; f = 1 MHz; −
see Fig.4
maximum unilateral power gain;
note 1
output voltage
IC = 120 mA; VCE = 18 V;
−
f = 500 MHz; Tamb = 25 °C;
IC = 120 mA; VCE = 18 V;
−
f = 800 MHz; Tamb = 25 °C;
note 2
−
note 3
−
second order intermodulation
note 4
−
distortion
note 5
−
TYP.
−
−
−
−
−
7
1.5
5
0.85
18.5
14.5
1.35
1.2
−60
−60
MAX.
25
16
2
100
160
−
−
−
1.2
−
−
−
−
−
−
UNIT
V
V
V
µA
GHz
pF
pF
pF
dB
dB
V
V
dB
dB
Notes
1. GUM is the maximum unilateral power gain, assuming s12 is zero. GUM = 10 log -(---1-----–------s---1--1-----2s--)-2---1-(--1-2----–------s---2---2----2---)-- dB.
2. dim = −60dB (DIN45004B); see Fig.2; IC = 120 mA; VCE = 18 V; RL = 75 Ω; Tamb = 25 °C;
Vp = VO; fp = 445.25 MHz;
Vq = VO −6 dB; fq = 453.25 MHz;
Vr = VO −6 dB; fr = 455.25 MHz;
measured at f(p + q − r) = 443.25 MHz; see Fig.5.
3. dim = −60dB (DIN45004B); see Fig.2; IC = 120 mA; VCE = 18 V; RL = 75 Ω; Tamb = 25 °C;
Vp = VO; fp = 795.25 MHz;
Vq = VO −6 dB; fq = 803.25 MHz;
Vr = VO −6 dB; fr = 805.25 MHz;
measured at f(p + q − r) = 793.25 MHz; see Fig.6.
4. VO = 50 dBmV = 316 mV; IC = 90 mA; VCE = 18 V; RL = 75 Ω; Tamb = 25 °C;
measured at f(p + q) = 450 MHz; see Fig.7.
5. VO = 50 dBmV = 316 mV; IC = 90 mA; VCE = 18 V; RL = 75 Ω; Tamb = 25 °C;
measured at f(p + q) = 810 MHz; see Fig.8.
1995 Sep 26
4
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