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MRF284 Datasheet, PDF (4/12 Pages) Motorola, Inc – RF Power Field-Effect Transistors | |||
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VSUPPLY
+
R1
P1
Q1
R2
R4
+
C1
R3
+
VDD
R6
Q2 R5
B1
+
C9 C7 R7
B2
C8 R8
C2 C4
C11 C13
B3
R9
C10
B4 B5
VDD
+
+
R10 R11
C15 C16
â
L4
L1
RF
INPUT Z1 Z2
L3
Z10 Z11
DUT
Z3
Z4 Z5 Z6 Z7 Z8 Z9
C3
L2
C5
C6
Z12
C12
Z13 Z14
Z15
C14
RF
Z16 OUTPUT
C17
B1 â B5
C1, C9, C16
C2, C13
C3, C14
C4, C11
C5
C6
C7, C15
C8
C10
C12, C17
L1
L2
L3, L4
P1
Q1
Q2
R1
R2
R3
R4
Ferrite Bead, Round
100 µF, 50 V, Electrolytic Capacitor, Sprague
51 pF, ATC RF Chip Capacitors, Case âBâ
10 pF, ATC RF Chip Capacitors, Case âBâ
12 pF, ATC RF Chip Capacitors, Case âBâ
0.8 â 8.0 pF Variable Capacitor, Johansen Gigatrim
4.7 pF, ATC RF Chip Capacitor, Case âBâ
91 pF, ATC RF Chip Capacitors, Case âBâ
1000 pF, ATC RF Chip Capacitor, Case âBâ
0.1 µF, Chip Capacitor, KEMET
0.6 â 4.5 pF, Variable Capacitors, Johansen Gigatrim
4 Turns, #27 AWG, 0.087â³ OD, 0.050â³ ID,
0.069â³ Long, 10 nH
5 Turns, #24 AWG, 0.083â³ OD, 0.040â³ ID,
0.128â³ Long, 12.5 nH
9 Turns, #26 AWG, 0.080â³ OD, 0.046â³ ID,
0.170â³ Long, 30.8 nH
1000 Ohm Potentiometer, 1/2 W, 10 Turns
Transistor, NPN, Motorola P/N: MJD31, Case 369Aâ10
Transistor, PNP, Motorola P/N: MJD32, Case 369Aâ10
360 â¦, Fixed Film Chip Resistor 0.08â³ x 0.13â³
2 x 12 kâ¦, Fixed Film Chip Resistor 0.08â³ x 0.13â³
1 â¦, Wirewound, 5 W, 3% Resistor
4 x 6.8 kâ¦, Fixed Film Chip Resistor 0.08â³ x 0.13â³
R5
R6
R7 â R11
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z8
Z9
Z10
Z11
Z12
Z13
Z14
Z15
Z16
Raw PCB
Material
2 x 1500 â¦, Fixed Film Chip Resistor 0.08â³ x 0.13â³
270 â¦, Fixed Film Chip Resistor, 0.08â³ x 0.13â³
12 â¦, Fixed Film Chip Resistor, 0.08â³ x 0.13â³
0.363â³ x 0.080â³ Microstrip
0.080â³ x 0.080â³ Microstrip
0.916â³ x 0.080â³ Microstrip
0.517â³ x 0.080â³ Microstrip
0.050â³ x 0.325â³ Microstrip
0.050â³ x 0.325â³ Microstrip
0.071â³ x 0.325â³ Microstrip
0.125â³ x 0.325â³ Microstrip
0.210â³ x 0.515â³ Microstrip
0.210â³ x 0.515â³ Microstrip
0.235â³ x 0.325â³ Microstrip
0.02â³ x 0.325â³ Microstrip
0.02â³ x 0.325â³ Microstrip
0.510â³ x 0.080â³ Microstrip
0.990â³ x 0.080â³ Microstrip
0.390â³ x 0.080â³ Microstrip
0.030â³ Glass Teflon, 2 oz Copper,
3 x 5â³ Dimensions, Manufacturer;
Arlon, P/N: GXâ0300â55â22, εr = 2.55
Figure 2. Schematic of 2.0 GHz Class A Test Circuit
MRF284 MRF284S
4
MOTOROLA RF DEVICE DATA
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