MRF654 Datasheet, PDF (3/4 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON

f = 440 MHz
470 MHz
21
512 MHz
15
512 MHz
9
440 MHz
VCC = 12.5 Vdc
470 MHz
3
1
2
3
4
Pin, INPUT POWER (WATTS)
Figure 2. Output Power versus Input Power
20
Pin = 2.5 W
16
1.5 W
12
0.75 W
8
4
VCC = 12.5 Vdc
0
440
460
480
500
520
f, FREQUENCY (MHz)
Figure 3. Output Power versus Frequency
24
Pin = 2.5 W
18
Pout
18
1.5 W
14
12
0.75 W
10
70%
η_c
60%
50%
6
fo = 512 MHz
0
6
8
10
12
14
16
VCC, SUPPLY VOLTAGE (VOLTS)
Figure 4. Power Output versus Supply Voltage
6
2
Pin = 2 W
VCC = 12.5 Vdc
440
460
480
f, FREQUENCY (MHz)
INPUT VSWR _1.5:1
1.4:1
1.2:1
1.0:1
500
520
Figure 5. Typical Broadband Circuit Performance
Zin
512
490
470
f = 440 MHz
ZOL*
512
490
470
Zo = 10 Ω
f = 440 MHz
VCC = 12.5 Vdc, Pout = 15 W
f
Zin
MHz
Ohms
ZOL*
Ohms
440
2.7 + j3.0
2.6 – j0.5
470
2.7 + j3.2
2.6 – j0.1
490
2.7 + j3.6
2.6 + j0.2
512
2.5 + j3.9
2.6 + j0.4
ZOL* = Conjugate of the optimum load impedance
ZOL* = into which the device output operates at a
ZOL* = given output power, voltage and frequency.
Figure 6. Series Equivalent Input and Output Impedance
MOTOROLA RF DEVICE DATA
MRF654
3