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MRF18090AR3 Datasheet, PDF (4/8 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistor
ÎÎÎTÎÎÎ1 T1ÎÎÎ R1
R3
T2
R4
C2
C1
R6
R2
R5
C3
C4
RF
INPUT Z1
Z2
C8
+
C5
VSUPPLY
C6
C7
RF
C9
Z4 OUTPUT
Z3
C10
C1, C3
C2
C4
C5
C6, C7
C8, C9, C10
R1
R2, R3
R4
1 mF Chip Capacitors (0805)
0.1 mF Chip Capacitor (0805)
1 nF Chip Capacitor (0805)
220 mF, 50 V Electrolytic Capacitor
8.2 pF, 100A Chip Capacitors
22 pF, 100A Chip Capacitors
10 Ω Chip Resistor (0805)
1 kΩ Chip Resistors (0805)
2.2 kΩ Chip Resistor (0805)
R5
10 kΩ Chip Resistor (0603)
R6
5 kΩ, SMD Potentiometer
T1
LP2951 Micro - 8 Voltage Regulator
T2
BC847 SOT - 23 NPN Transistor
Z1
0.210″ x 0.055″ Microstrip
Z2
0.419″ x 0.787″ Microstrip
Z3
0.836″ x 0.512″ Microstrip
Z4
0.164″ x 0.055″ Microstrip
Substrate = 0.5 mm Teflon® Glass
Figure 3. 1.80 - 1.88 GHz Demo Board Schematic
VSUPPLY
Ground
C1 R1 T 1 C2
R2
R3
R4
R5
T2 R6 C3
C4
ÎÎÎÎÎÎÎÎÎÎC8
C5
C6
C7
CCÎÎÎ190 ÎÎÎÎÎÎ
MRF18090AR3
4
MRF18090A
Freescale has begun the transition of marking Printed Circuit Boards (PCBs) with the Freescale
Semiconductor signature/logo. PCBs may have either Motorola or Freescale markings during the
transition period. These changes will have no impact on form, fit or function of the current product.
Figure 4. 1.80 - 1.88 GHz Demo Board Component Layout
RF Device Data
Freescale Semiconductor