MRF641 Datasheet, PDF (3/4 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON

30
27
f = 470 MHz
24
VCC = 12.5 Vdc
21
18
15
12
9
6
3
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Pin, POWER INPUT (WATTS)
Figure 2. Power Output versus Power Input
25
VCC = 12.5 V
20
15
Pin = 3 W
2W
10
1W
5
0
380 400
420 440 460 480 500
f, FREQUENCY (MHz)
520 540
Figure 3. Power Output versus Frequency
25
20
f = 470 MHz
Pin = 2 W
15
10
5
0
8
9
10 11
12
13
14
15
16
VCC, SUPPLY VOLTAGE (VOLTS)
Figure 4. Power Output versus Supply Voltage
30
27
f = 470 MHz
24
VCC = 12.5 Vdc
21
18
15
12
9
6
3
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Pin, POWER INPUT (WATTS)
Figure 5. Power Saturation Profile
2.0
0
2.0
4.0
4.0
8.0
10.
0
Pout = 15 W, VCC = 12.5 V
6.0
f
Zin
ZOL*
MHz
Ohms
Ohms
400
0.6 + j4.0
3.5 – j1.2
420
0.7 + j4.2
3.4 – j0.8
450
1.0 + j5.0
3.0 + j0.5
480
1.2 + j5.2
2.7 + j1.2
510
1.7 + j6.4
2.6 + j1.6
420
1.0
2.0
510
3.0 ₄₈₀
450
f = 400 MHz
6.0
420
450 ^Zin
480
510
f = 400 MHz _{ZOL* 4.0}
ZOL* = Conjugate of the load impedance into which the device output operates at a given power, η, and frequency.
Figure 6. Series Equivalent Input–Output Impedance
MOTOROLA RF DEVICE DATA
8.0
10.
0
12.
0
MRF641
3