MRF18090BR3 Datasheet, PDF (4/8 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors N-Channel Enhancement-Mode Lateral MOSFETs

ÏÏÏ_T1ÏÏÏ_T1 ÏÏÏ _R1
C2
C1
R6
R2
R5
R3
C3
T2
R4
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
0.491″ x 0.110″ Microstrip
Z2
0.756″ x 1.260″ Microstrip
Z3
1.433″ x 1.260″ Microstrip
Z4
0.567″ x 0.110″ Microstrip
Substrate = 0.5 mm Teflon^® Glass
Figure 3. 1.93 - 1.99 GHz Demo Board Schematic
VSUPPLY
Ground
C1 R1 T 1 C2
R2
R3
R4
R5
T2 ^{R6 C3}
ÏÏÏÏÏÏÏÏÏÏÏÏ^{C8 C4}
C5
C6
C7
C9
C10
ÏÏÏÏÏÏÏÏ
MRF18090B
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. 1.93 - 1.99 GHz Demo Board Component Layout
MRF18090BR3 MRF18090BSR3
4
RF Device Data
Freescale Semiconductor