MRF18085B Datasheet, PDF (4/12 Pages) Motorola, Inc – RF Power Field Effect Transistors

Freescale Semiconductor, Inc.
V_BIAS
+
C13
ÎÎÎÎÎÎ_T1 ÎÎÎ _R1
C1
R5
R2
C2
R3
T2
R4
C3
C14
R7
RF
INPUT _Z1
Z2
Z3
C7
C9
R6
Z4
C12
+
B1
C10
C11
V_SUPPLY
C4
C5
RF
Z6 Z7 Z8
Z9 ^OUTPUT
Z5
C8
B1
C1, C2
C3, C4
C5
C7
C8
C9
C10
C11, C12
C13
C14
Short RF Ferrite Bead, #27 430119447
1 mF Chip Capacitors, ACCU - P (0805)
1 nF Chip Capacitors, ACCU - P (0805)
10 pF Chip Capacitor, ACCU - P (0805)
1.5 pF Chip Capacitor, ACCU - P (0805)
8.2 pF Chip Capacitor, ACCU - P (0805)
1.0 pF Chip Capacitor, ACCU - P (0805)
100 mF, 63 V Electrolytic Capacitor
10 nF Chip Capacitors (0805)
10 mF, 35 V Tantalum Capacitor
8.2 pF Chip Capacitor, ACCU - P (0805)
R1
R2
R3
R4
R5
R6, R7
T1
T2
Z1 - Z9
Substrate
10 Ω Chip Resistor (0805)
1 kΩ Chip Resistor (0805)
1.2 kΩ Chip Resistor (0805)
2.2 kΩ Chip Resistor (0805)
5 kΩ Chip Resistor (0805)
9 Ω Chip Resistors (1206) (18 Ω x 18 Ω)
Voltage Regulator, Micro - 8, Motorola #LP2951
NPN Bipolar Transistor, SOT - 23, Motorola #BC847
Printed Transmission Lines
0.5 mm Rogers 4350 (e_r = 3.53)
Figure 3. 1.93 - 1.99 GHz GSM EDGE Optimized Demo Board Schematic
VBIAS
Ground
VSUPPLY
R1
C1
R2
R3
R4
T2
D
T1
C13
C3
C2 C14
R5
R6
C7
C9
C10
+
C12
B1
C5
C11
C4
C8
MRF18085
Figure 4. 1.93 - 1.99 GHz GSM EDGE Optimized Demo Board Component Layout
MRF18085BR3 MRF18085BLSR3
4
MOTOROLA RF DEVICE DATA
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