
MRF282SR1 MRF282ZR1
5
RF Device Data
Freescale Semiconductor
RF
INPUT
Z10
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z9
VGG
VDD
C1
C6
C2
C3
L4
L1
C9
R1
B1
C4
R2
B2
C7
R3
B3
C17
C15
Z8
C12
DUT
+
C5
C8
L2
L3
L5
Z11
C16
R6
B6
C13
R5
B4
C10
R4
B5
+
C11
C14
Figure 3. 1810 - 1880 MHz Broadband Test Circuit Schematic
Z8
0.414″ x 0.330″ Microstrip
Z9
0.392″ x 0.08″ Microstrip
Z10
0.070″ x 0.08″ Microstrip
Z11
1.110″ x 0.08″ Microstrip
Raw Board
0.030″ Glass Teflon, 2 oz Copper,
Material
3″ x 5″ Dimensions,
Arlon GX0300-55-22, εr = 2.55
RF
OUTPUT
Z1
0.122″ x 0.08″ Microstrip
Z2
0.650″ x 0.08″ Microstrip
Z3
0.160″ x 0.08″ Microstrip
Z4
0.030″ x 0.08″ Microstrip
Z5
0.045″ x 0.08″ Microstrip
Z6
0.291″ x 0.08″ Microstrip
Z7
0.483″ x 0.330″ Microstrip
Table 5. 1810 - 1880 MHz Broadband Test Circuit Component Designations and Values
Designators
Description
B1, B2, B3, B4, B5, B6
Surface Mount Ferrite Beads, 0.120″ x 0.170″ x 0.100″, Fair Rite #2743029446
C1, C16
470 μF, 63 V Electrolytic Capacitors, Mallory #SME63UB471M12X25L
C2, C9, C12, C17
0.6-4.5 pF Variable Capacitors, Johanson Gigatrim #27271SL
C3
0.8-8.0 pF Variable Capacitor, Johanson Gigatrim #27291SL
C4, C13
0.1 μF Chip Capacitors, Kemet #CDR33BX104AKWS
C5, C14
100 pF Chip Capacitors, ATC #100B101JCA500X
C6, C8, C11, C15
12 pF Chip Capacitors, ATC #100B120JCA500X
C7, C10
1000 pF Chip Capacitors, ATC #100B102JCA50X
L1
3 Turns, 27 AWG, 0.087″ OD, 0.050″ ID, 0.053″ Long, 6.0 nH
L2
5 Turns, 27 AWG, 0.087″ OD, 0.050″ ID, 0.091″ Long, 15 nH
L3, L4
9 Turns, 26 AWG, 0.080″ OD, 0.046″ ID, 0.170″ Long, 30.8 nH
L5
4 Turns, 27 AWG, 0.087″ OD, 0.050″ ID, 0.078″ Long, 10 nH
R1, R2, R3
12 Ω, 1/8 W Fixed Film Chip Resistors, Garrett Instruments #RM73B2B120JT
R4, R5, R6
0.08″ x 0.13″ Resistors, Garrett Instruments #RM73B2B120JT
W1, W2
Beryllium Copper 0.010″ x 0.110″ x 0.210″