MRF1550NT1 MRF1550FNT1
3
RF Device Data
Freescale Semiconductor
Figure 1. 135 - 175 MHz Broadband Test Circuit
B1 Ferroxcube #VK200
C1 180 pF, 100 mil Chip Capacitor
C2 10 pF, 100 mil Chip Capacitor
C3 33 pF, 100 mil Chip Capacitor
C4, C16 24 pF, 100 mil Chip Capacitors
C5 160 pF, 100 mil Chip Capacitor
C6 240 pF, 100 mil Chip Capacitor
C7, C17 300 pF, 100 mil Chip Capacitors
C8, C18 10 μF, 50 V Electrolytic Capacitors
C9, C19 0.1 μF, 100 mil Chip Capacitors
C10 470 pF, 100 mil Chip Capacitor
C11, C12 200 pF, 100 mil Chip Capacitors
C13 22 pF, 100 mil Chip Capacitor
C14 30 pF, 100 mil Chip Capacitor
C15 6.8 pF, 100 mil Chip Capacitor
C20 1,000 pF, 100 mil Chip Capacitor
L1 18.5 nH, Coilcraft #A05T
L2 5 nH, Coilcraft #A02T
L3 1 Turn, #24 AWG, 0.250″
ID
L4 1 Turn, #26 AWG, 0.240″
ID
L5 3 Turn, #24 AWG, 0.180″
ID
N1, N2 Type N Flange Mounts
R1 5.1 Ω, 1/4 W Chip Resistor
R2 39 Ω
Chip Resistor (0805)
R3 1 kΩ, 1/8 W Chip Resistor
R4 33 kΩ, 1/4 W Chip Resistor
Z1 1.000″
x 0.080
″
Microstrip
Z2 0.400″
x 0.080
″
Microstrip
Z3 0.200″
x 0.080
″
Microstrip
Z4 0.200″
x 0.080
″
Microstrip
Z5, Z6 0.100″
x 0.223
″
Microstrip
Z7 0.160″
x 0.080
″
Microstrip
Z8 0.260″
x 0.080
″
Microstrip
Z9 0.280″
x 0.080
″
Microstrip
Z10 0.270″
x 0.080
″
Microstrip
Z11 0.730″
x 0.080
″
Microstrip
Board Glass Teflon?, 31 mils
VDD
C8
+
R4
C9
C7
R3
N1
RF
INPUT
RF
OUTPUT
Z2 Z3
Z6
C1
C3
Z11
C17
N2
Z5
DUT
Z7
Z10
Z4
L5
Z8
C21
Z1
C2
VGG
C18
+
C10
R2
C19
C20
L1
C5
C4
L2
C13 C16C14
C15
C12
C11
L3 L4Z9
C6
R1
TYPICAL CHARACTERISTICS
Pout, OUTPUT POWER (WATTS)
IRL, INPUT RETURN LOSS (dB)
?5
?15
?20
?10
20
0
10
Figure 2. Output Power versus Input Power
Pin, INPUT POWER (WATTS)
10
Figure 3. Input Return Loss
versus Output Power
3.0
P
out
, OUTPUT POWER (WATTS)
0
0
30
4.0 6.05.0
1.0
20
175 MHz
155 MHz
2.0
60
135 MHz
30
155 MHz
175 MHz
135 MHz
50
40
40 60 70 8050
VDD
= 12.5 Vdc
VDD
= 12.5 Vdc
70
80
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