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