MRF1535NT1 MRF1535FNT1
3
RF Device Data
Freescale Semiconductor
Figure 1. 135 - 175 MHz Broadband Test Circuit
VDD
+
C10
R4
C11
C9
R3
RF
INPUT
RF
OUTPUT
Z2 Z3 Z6L2
Z4 Z5
DUT
N1
C1
C5
C20
Z7
Z9
Z10
L5
Z8
N2
C23
B1
C15
B1 Ferroxcube #VK200
C1, C9, C20, C23 330 pF, 100 mil Chip Capacitors
C2, C5 0 to 20 pF Trimmer Capacitors
C3, C15 33 pF, 100 mil Chip Capacitors
C4, C6, C19 18 pF, 100 mil Chip Capacitors
C7 160 pF, 100 mil Chip Capacitor
C8 240 pF, 100 mil Chip Capacitor
C10, C21 10 μF, 50 V Electrolytic Capacitors
C11, C22 470 pF, 100 mil Chip Capacitors
C12, C13 150 pF, 100 mil Chip Capacitors
C14 110 pF, 100 mil Chip Capacitor
C16 68 pF, 100 mil Chip Capacitor
C17 120 pF, 100 mil Chip Capacitor
C18 51 pF, 100 mil Chip Capacitor
L1 17.5 nH, Coilcraft #A05T
L2 5 nH, Coilcraft #A02T
L3 1 Turn, #26 AWG, 0.250″
ID
L4 1 Turn, #26 AWG, 0.240″
ID
L5 4 Turn, #24 AWG, 0.180″
ID
N1, N2 Type N Flange Mounts
R1 6.5 Ω, 1/4 W Chip Resistor
R2 39 Ω
Chip Resistor (0805)
R3 1.2 kΩ, 1/8 W Chip Resistor
R4 33 kΩ, 1/4 W Chip Resistor
Z1 0.970″
x 0.080
″
Microstrip
Z2 0.380″
x 0.080
″
Microstrip
Z3 0.190″
x 0.080
″
Microstrip
Z4 0.160″
x 0.080
″
Microstrip
Z5, Z6 0.110″
x 0.200
″
Microstrip
Z7 0.490″
x 0.080
″
Microstrip
Z8 0.250″
x 0.080
″
Microstrip
Z9 0.320″
x 0.080
″
Microstrip
Z10 0.240″
x 0.080
″
Microstrip
Board Glass Teflon?, 31 mils
Z1
C3
R1
C8
VGG
+
C21
R2
C22
L3
L1
C7
C6
C2
C4
C12 C13
C14
C17
C16
C18 C19
L4
TYPICAL CHARACTERISTICS, 135 - 175 MHz
Pout, OUTPUT POWER (WATTS)
IRL, INPUT RETURN LOSS (dB)
Figure 2. Output Power versus Input Power
Pin, INPUT POWER (WATTS)
Figure 3. Input Return Loss versus Output Power
P
out
, OUTPUT POWER (WATTS)
?20
0
10
?5
?10
20 30 40 50 60
?15
4
0
60
0
50
40
30
20
10
3
2
1
175 MHz
155 MHz
135 MHz
VDD
= 12.5 Vdc
175 MHz
155 MHz
135 MHz
VDD
= 12.5 Vdc
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