AR
C
HIVE INF
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RMATI
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A
RCHIVE INFORMATION
4
RF Device Data
Freescale Semiconductor
MRF18090AR3
C5
VSUPPLY
C3
C1
R1
R2
R6
T1
R3
R4
Z3
T1
T2
C7
Z2
RF
INPUT
RF
OUTPUT
Z1
C8
Z4
+
Figure 3. 1805 -- 1880 MHz Demo Board Schematic
Figure 4. 1805 -- 1880 MHz Demo Board Component Layout
C1, C3 1
mF Chip Capacitors (0805)
C2 0.1
mF Chip Capacitor (0805)
C4 1 nF Chip Capacitor (0805)
C5 220
mF, 50 V Electrolytic Capacitor
C6, C7 8.2 pF, 100A Chip Capacitors
C8, C9, C10 22 pF, 100A Chip Capacitors
R1 10
?
Chip Resistor (0805)
R2, R3 1 k?
Chip Resistors (0805)
R4 2.2 k?
Chip Resistor (0805)
R5 10 k?
Chip Resistor (0603)
R6 5 k?, 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
R5
C2
C4
C6
C10
C9
T1
C2
V GroundSUPPLY
C1
R1
R2
R3
R4
T2
R6
C8
C10
C9
R5
C6C7
C5
C4
C3
MRF18090A
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.
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MRF18090AS
制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:1.80 - 1.88 GHz, 90 W, 26 V LATERAL N-CHANNEL RF POWER MOSFETS
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制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:RF POWER FIELD EFFECT TRANSISTORS
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