MRF18090A Datasheet, PDF (4/8 Pages) Motorola, Inc – 1.80 - 1.88 GHz, 90 W, 26 V LATERAL N-CHANNEL RF POWER MOSFETS

ÎÎÎ_TÎÎÎ_{1 T1}ÎÎÎ _R1
R3
T2
R4
C2
C1
R6
R2
R5
C3
C4
RF
INPUT
Z1
Z2
C8
+
C5
V_SUPPLY
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
ÎÎÎÎÎÎÎÎÎÎÎ_C8
C5
C6
C7
CC^ÎÎÎ190 ^{ÎÎÎÎÎÎ}
MRF18090A
Figure 4. 1.80 – 1.88 GHz Demo Board Component Layout
MRF18090A MRF18090AS
4
MOTOROLA RF DEVICE DATA