MRF847 Datasheet, PDF (3/4 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON

70
VCC = 12.5 V
60
50
40
f = 806 MHz
870 MHz
960 MHz
30
20
10
0
4
8
12
16
20
Pin, INPUT POWER (WATTS)
Figure 2. Output Power versus Input Power
70
VCC = 12.5 V
60
50
Pin = 16 W
40
12 W
30
8W
20
800 820 840 860
880 900 920 940 960
f, FREQUENCY (MHz)
Figure 3. Output Power versus Frequency
80
f = 870 MHz
70
60
50
Pin = 16 W
12 W
40
8W
30
20
10
6
8
10
12
14
16
VCC, SUPPLY VOLTAGE (VOLTS)
Figure 4. Output Power versus Supply Voltage
6.5
GPB
5.5
4.5
η_c
3.5
VCC = 12.5 V
Pin = 16 W
2.5
1.5
800
820
INPUT VSWR
840
860
f, FREQUENCY (MHz)
80
70
60
50
40
1.6:1 ₃₀
1.4:1 ₂₀
1.2:1 ₁₀
880
900
Figure 5. Typical Broadband Circuit Performance
f = 806 MHz
838 ^Zin
870
960 ⁹¹⁵
f = 960 MHz
870 ₉₁₅
838 _ZOL*
806
Zo = 10 Ω
VCC = 12.5 Vdc, Pin = 16 W, Pout = 45 W
f
Zin
f
ZOL*
MHz
(Ohms)
MHz
(Ohms)
806
0.99 +j5.52 806
0.67 +j1.33
838
1.48 +j5.47 838
0.68 +j1.66
870
1.79 +j5.25 870
0.72 +j2.16
915
2.12 +j4.80 915
0.83 +j2.40
960
2.11 +j4.28 960
0.99 +j2.50
ZOL* = Conjugate of the optimum load impedance into which the
ZOL* = device output operates at a given output power, voltage and
ZOL* = frequency.
Figure 6. Series Equivalent Input/Output Impedances
MOTOROLA RF DEVICE DATA
MRF847
3