MRF2947 Datasheet, PDF (2/12 Pages) Motorola, Inc – LOW NOISE TRANSISTORS

ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
OFF CHARACTERISTICS (3)
Collector–Emitter Breakdown Voltage
(IC = 0.1 mA, IB = 0)
V(BR)CEO 10
12
—
Collector–Base Breakdown Voltage
(IC = 0.1 mA, IE = 0)
V(BR)CBO 20
23
—
Emitter Cutoff Current
(VEB = 1 V, IC = 0)
IEBO
—
—
0.1
Collector Cutoff Current
(VCB = 10 V, IE = 0)
ICBO
—
—
0.1
ON CHARACTERISTICS (3)
DC Current Gain (VCE = 1 V, IC = 500 µA)
DC Current Gain (VCE = 6 V, IC = 5 mA)
hFE1
50
hFE3
75
—
—
—
150
DYNAMIC CHARACTERISTICS
Collector–Base Capacitance
(VCB = 1 V, IE = 0, f = 1 MHz)
Ccb
—
0.42
—
Current Gain — Bandwidth Product
(VCE = 6 V, IC = 15 mA, f = 1 GHz)
fT
—
9
—
PERFORMANCE CHARACTERISTICS
Conditions
Insertion Gain
(VCE = 1 V, IC = 1 mA, f = 1 GHz)
(VCE = 6 V, IC = 15 mA, f = 1 GHz)
Symbol
Min
Typ
Max
|S21|2
—
7
—
—
15
—
Maximum Unilateral Gain (4)
(VCE = 1 V, IC = 1 mA, f = 1 GHz)
(VCE = 6 V, IC = 15 mA, f = 1 GHz)
GUmax
—
13
—
—
17
—
Maximum Stable Gain and/or Maximum Available Gain (5)
(VCE = 1 V, IC = 1 mA, f = 1 GHz)
(VCE = 6 V, IC = 15 mA, f = 1 GHz)
MSG
MAG
—
12
—
—
18
—
Noise Figure — Minimum
(VCE = 1 V, IC = 1 mA, f = 1 GHz)
(VCE = 6 V, IC = 5 mA, f = 1 GHz)
NFmin
—
1.8
—
—
1.5
—
Noise Resistance
(VCE = 1 V, IC = 1 mA, f = 1 GHz)
(VCE = 6 V, IC = 5 mA, f = 1 GHz)
RN
—
22
—
—
17
—
Associated Gain at Minimum NF
(VCE = 1 V, IC = 1 mA, f = 1 GHz)
(VCE = 6 V, IC = 5 mA, f = 1 GHz)
GNF
—
9
—
—
14
—
Output Power at 1 dB Gain Compression (6)
(VCE = 6 V, IC = 15 mA, f = 1 GHz)
P1dB
—
+13
—
Output Third Order Intercept (6)
(VCE = 6 V, IC = 15 mA, f = 1 GHz)
OIP3
—
+27
—
(3) Pulse width ≤ 300 µs, duty cycle ≤ 2% pulsed.
" ^{Ǹ (4)}
Maximum
unilateral
gain
is
GUmax
=
|S21|2
(1 – |S11|2)(1 – |S22|2)
|S21|
(5) Maximum available gain and maximum stable gain are defined by the K factor as follows: MAG =
(K
K2 – 1) , if K > 1
(6) ZO = 50 Ω and Zout matched for small signal maximum gain.
|S12|
|S21|
MSG =
, if K < 1
|S12|
Unit
Vdc
Vdc
µA
µA
—
—
pF
GHz
Unit
dB
dB
dB
dB
Ω
dB
dBm
dBm
MRF2947AT1,T2 MRF2947RAT1,T2
2
MOTOROLA RF DEVICE DATA