MRF1518T1 Datasheet, PDF (7/20 Pages) Motorola, Inc – The RF MOSFET Line RF POWER FIELD EFFECT TRANSISTOR

V_GG
+
C10 C9 C8 R4
B1
R3
C18
B2
+
V_DD
C17 C16 C15
N1
RF
Z1
INPUT
C1
Z2
C2
Z3
C3
R1
Z4
C4 C5 ^C6
L1
C7
R2
Z7 Z8
Z9 Z10 Z11
N2
RF
DUT
Z5
Z6
OUTPUT
C14
C11 C12 C13
B1, B2
C1, C14
C2, C3, C4, C11,
C12, C13
C5
C6
C7, C18
C8, C15
C9, C16
C10, C17
L1
N1, N2
R1
R2
Short Ferrite Beads, Fair Rite Products
(2743021446)
240 pF, 100 mil Chip Capacitors
0 to 20 pF Trimmer Capacitors
30 pF, 100 mil Chip Capacitor
47 pF, 100 mil Chip Capacitor
120 pF, 100 mil Chip Capacitors
10 μF, 50 V Electrolytic Capacitors
1,200 pF, 100 mil Chip Capacitors
0.1 μF, 100 mil Chip Capacitors
55.5 nH, 5 Turn, Coilcraft
Type N Flange Mounts
15 Ω Chip Resistor (0805)
51 Ω, 1/2 W Resistor
R3
R4
Z1
Z2
Z3
Z4
Z5
Z6, Z7
Z8
Z9
Z10
Z11
Board
10 Ω Chip Resistor (0805)
33 kΩ, 1/8 W Resistor
0.476″ x 0.080″ Microstrip
0.724″ x 0.080″ Microstrip
0.348″ x 0.080″ Microstrip
0.048″ x 0.080″ Microstrip
0.175″ x 0.080″ Microstrip
0.260″ x 0.223″ Microstrip
0.239″ x 0.080″ Microstrip
0.286″ x 0.080″ Microstrip
0.806″ x 0.080″ Microstrip
0.553″ x 0.080″ Microstrip
Glass Teflon^®, 31 mils, 2 oz. Copper
Figure 19. 400 - 470 MHz Broadband Test Circuit
TYPICAL CHARACTERISTICS, 400 - 470 MHz
12
440 MHz
10
400 MHz
8
470 MHz
6
4
V_DD = 12.5 Vdc
2
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
P_in, INPUT POWER (WATTS)
Figure 20. Output Power versus Input Power
0
V_DD = 12.5 Vdc
−5
440 MHz
−10
400 MHz
−15
470 MHz
−20
0 1 2 3 4 5 6 7 8 9 10 11 12
P_out, OUTPUT POWER (WATTS)
Figure 21. Input Return Loss
versus Output Power
RF Device Data
Freescale Semiconductor
MRF1518T1
7