MRF454 Datasheet, PDF (2/4 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON

RF INPUT
L5
C5
C6
L3
C7
C8
C1
L1
C2
DUT
L2
R1
C4
C3
L4
+
12.5 Vdc
–
RF OUTPUT
C1, C2, C4 — ARCO 469
C3 — ARCO 466
C5 — 1000 pF, UNELCO
C6, C7 — 0.1 µF Disc Ceramic
C8 — 1000 µF/15 V Electrolytic
R1 — 10 Ohm/1.0 Watt, Carbon
L1 — 3 Turns, #18 AWG, 5/16″ I.D., 5/16″ Long
L2 — VK200–20/4B, FERROXCUBE
L3 — 12 Turns, #18 AWG Enameled Wire, 1/4″ I.D., Close Wound
L4 — 3 Turns 1/8″ O.D. Copper Tubing, 3/8″ I.D., 3/4″ Long
L5 — 7 FERRITE Beads, FERROXCUBE #56–590–65/3B
Figure 1. 30 MHz Test Circuit Schematic
120
105
VCC = 13.6 V
90
12.5 V
75
60
45
30
15
f = 30 MHz
0
0 1 2 3 4 5 6 7 8 9 10
Pin, INPUT POWER (WATTS)
Figure 2. Output Power versus Input Power
120
105
Pin = 5 V
90
3.5 W
75
60
1.75 W
45
30
15
f = 30 MHz
0
8 9 10 11 12 13 14 15 16 17 18
VCC, SUPPLY VOLTAGE (VOLTS)
Figure 3. Output Power versus Supply Voltage
MRF454
2
MOTOROLA RF DEVICE DATA