MRF1513NT1
7
RF Device Data
Freescale Semiconductor
Figure 19. 135 - 175 MHz Broadband Test Circuit
VDD
+C7
R4
C8
C6
R3
RF
INPUT
RF
Z10
C13
OUTPUT
Z2
Z6
C1
DUT
Z8
Z9
Z4
Z5
L4
N2
C17
B2
N1
C11
C4
B1, B2 Short Ferrite Beads, Fair Rite Products
#2743021446
C1, C13 330 pF, 100 mil Chip Capacitors
C2, C4, C10, C12 0 to 20 pF Trimmer Capacitors
C3 12 pF, 100 mil Chip Capacitor
C5 130 pF, 100 mil Chip Capacitor
C6, C17 120 pF, 100 mil Chip Capacitors
C7, C14 10 μF, 50 V Electrolytic Capacitors
C8, C15 1,000 pF, 100 mil Chip Capacitors
C9, C16 0.1 μF, 100 mil Chip Capacitors
C11 18 pF, 100 mil Chip Capacitor
L1 26 nH, 4 Turn, Coilcraft
L2 8 nH, 3 Turn, Coilcraft
L3 55.5 nH, 5 Turn, Coilcraft
L4 33 nH, 5 Turn, Coilcraft
N1, N2 Type N Flange Mounts
R1 15
Chip Resistor (0805)
R2 56 , 1/8 W Chip Resistor
R3 10 , 1/8 W Chip Resistor
R4 33 k, 1/8 W Chip Resistor
Z1 0.115″
x 0.080
″
Microstrip
Z2 0.230″
x 0.080
″
Microstrip
Z3 1.034″
x 0.080
″
Microstrip
Z4 0.202″
x 0.080
″
Microstrip
Z5, Z6 0.260″
x 0.223
″
Microstrip
Z7 1.088″
x 0.080
″
Microstrip
Z8 0.149″
x 0.080
″
Microstrip
Z9 0.171″
x 0.080
″
Microstrip
Z10 0.095″
x 0.080
″
Microstrip
Board Glass Teflon?, 31 mils, 2 oz. Copper
Z1
VGG
+C14
C9
B1
R2
C15
C16
L3
C12
L1
C10
R1
C5
Z3
C2
C3
Z7
L2
TYPICAL CHARACTERISTICS, 135 - 175 MHz
Pout, OUTPUT POWER (WATTS)
IRL, INPUT RETURN LOSS (dB)
?5
?15
?20
?10
2
0
0
1
Figure 20. Output Power versus Input Power
Pin, INPUT POWER (WATTS)
1
Figure 21. Input Return Loss
versus Output Power
0.10
P
out
, OUTPUT POWER (WATTS)
0
3
0.15
2
135 MHz
175 MHz
0.20
0.05
0
5
155 MHz
3
135 MHz
175 MHz
155 MHz
4
45
VDD
= 12.5 Vdc
VDD
= 12.5 Vdc