MRF19090SR3
3
RF Device Data
Freescale Semiconductor
Figure 1. MRF19090 Test Circuit Schematic
RF
INPUT
Z1 Z2
RF
OUTPUT
VBIAS
C2
C3
R1
+
Z3
Z4
DUT
B2
VSUPPLY
+
Z9
C1
Z5
Z7
Z8
Z6
C13
B1
L1
C14
B3
C19
C9
C10
C8
C7
R2
L2
C4
C18
C11
C12
C15
C16
C17
B4
C5
C6
B1, B2 2 Ferrite Beads, Round, Ferroxcube #56-590-65-3B
B3, B34 Ferrite Beads, Surface Mount, Fair-Rite 2743019447
C1, C18 0.4 - 2.5 pF Variable Capacitors, Johanson Gigatrim #27280
C2, C5, C8 10 pF Chip Capacitors, ATC #100B100CT500XT
C3 12 pF Chip Capacitor, ATC #100B120CT500XT
C4 0.3 pF Chip Capacitor, ATC #100B0R3CT500XT
C6, C7 120 pF Chip Capacitors, ATC #100B12R1CT500XT
C9, C12 0.1 μF Chip Capacitors, Kemet #CDR33BX104AKYS
C10, C11 1000 pF Chip Capacitors, ATC #100B102JT50XT
C13, C17 22 μF, 35 V Tantalum Chip Capacitors,
Kemet #T491X226K035AT
C14, C16 10 μF, 35 V Tantalum Chip Capacitors,
Kemet #T495X106K035AT
C15, C19 1 μF, 35 V Tantalum Chip Capacitors,
Kemet #T495X105K035AT
L1, L2 8 Turns, #26 AWG, 0.085″
OD, 0.330
″
Long, Copper Wire
R1, R2 270 Ω, 1/4 W Chip Resistors, Garrett
Instruments #RM73B2B271JT
Z1 ZO = 50 Ohms
Z2 ZO = 50 Ohms, Lambda = 0.123
Z3 ZO = 15.24 Ohms, Lambda = 0.0762
Z4 ZO = 10.11 Ohms, Lambda = 0.0392
Z5 ZO = 6.34 Ohms, Lambda = 0.0711
Z6 ZO = 5.02 Ohms, Lambda = 0.0476
Z7 ZO = 5.54 Ohms, Lambda = 0.0972
Z8 ZO = 50.0 Ohms, Lambda = 0.194
Z9 ZO = 50.0 Ohms
Raw PCB Material
0.030″
Glass T
eflon?, εr
= 2.55,
2 oz Copper, 3
″
x 5
″
Dimensions
+++
+
+
+
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