MRF947 Motorola, MRF947 Datasheet - Page 3

• Manufacturer Part Number: MRF947
• Description: High-Frequency Transistors
• Manufacturer: Motorola

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NOTE:
PERFORMANCE CHARACTERISTICS
Insertion Gain
Maximum Unilateral Gain (1)
Noise Figure — Minimum (Figure 9)
Associated Gain at Minimum NF (Figure 9)
Noise Figure — 50 ohm Source
MOTOROLA RF DEVICE DATA
(V CE = 6.0 V, I C = 15 mA, f = 1.0 GHz)
(V CE = 6.0 V, I C = 15 mA, f = 2.0 GHz)
(V CE = 6.0 V, I C = 15 mA, f = 1.0 GHz)
(V CE = 6.0 V, I C = 15 mA, f = 2.0 GHz)
(V CE = 6.0 V, I C = 5.0 mA, f = 1.0 GHz)
(V CE = 6.0 V, I C = 5.0 mA, f = 2.0 GHz)
(V CE = 6.0 V, I C = 5.0 mA, f = 1.0 GHz)
(V CE = 6.0 V, I C = 5.0 mA, f = 2.0 GHz)
(V CE = 6.0 V, I C = 5.0 mA, f = 1.0 GHz)
1. Maximum Unilateral Gain is GU max =
0.7
0.5
0.3
0.2
0.1
12
10
1
8
6
4
2
0
1
1
Figure 3. Gain Bandwidth Product versus
Figure 1. Collector–Base Capacitance
2
Conditions
Conditions
3
I C , COLLECTOR CURRENT (mA)
V CB , REVERSE VOLTAGE (V)
2
Collector Current
5
versus Voltage
MMBR941LT1, T3; MMBR941BLT1; MRF9411LT1; MRF9411BLT1
7
3
10
(1 – |S 11 | 2 )(1 – |S 22 | 2 )
20
V CE = 6 V
f = 1 GHz
5
30
|S 21 | 2
TYPICAL CHARACTERISTICS
G U max
Symbol
Symbol
NF 50
NF MIN
|S 21 | 2
G NF
f = 1 MHz
7
50
70
Min
100
10
—
—
—
—
—
—
—
—
—
MRF9411LT1
300
200
100
Typ
1.5
2.1
9.5
1.9
16
10
18
12
15
70
50
30
20
10
24
20
16
12
8
4
0
Figure 4. Insertion Gain versus Collector Current
1
1
Max
MRF9411LT1
2.8
—
—
—
—
—
—
—
—
Figure 2. DC Current Gain versus
2
2
Min
MMBR941LT1, T3
—
—
—
—
—
—
—
—
—
3
3
MMBR941LT1, T3
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
Collector Current
MMBR941 MRF947 MRF9411 SERIES
Typ
8.0
1.5
2.1
8.5
1.9
14
16
10
14
5
5
7
7
Max
2.8
—
—
—
—
—
—
—
—
10
10
Min
—
—
—
—
—
—
—
—
—
MRF947 Series
20
20
V CE = 6 V
f = 1 GHz
V CE = 6 V
10.8
14.8
11.6
Typ
1.5
2.1
1.9
30
14
14
10
30
Max
50
50
2.8
—
—
—
—
—
—
—
—
70
70
Unit
Unit
2–3
dB
dB
dB
dB
dB
100
100