MRF282 Datasheet, PDF (5/11 Pages) Motorola, Inc – LATERAL N-CHANNEL BROADBAND RF POWER MOSFETs

VGG
R1
R2
R3
R5
Q1
Q2
R4
R6
+
C1
VDD
+
R7
C2 C4 C5 C6
B1
R8 ^{C8 C9}
B2
B3
C13
+ ^VDD
R9 C16
R10 C18 C20
C14
L2
RF
Z1
INPUT
C3
L1
Z2
Z3
DUT
Z4
C7
C10
Z5
Z6 Z7
Z8
C15
C17
C11 C12
Z9
RF
OUTPUT
C19
B1, B2, B3,
C1, C20
C2
C3, C10, C15
C4, C16
C5
C6, C7, C9,
C14, C17
C8, C13
C11, C12
C18
C19
L1
L2
Q1
Q2
R1
Ferrite Bead, Ferroxcube, 56–590–65–3B
470 µF, 63 V, Electrolytic Capacitor, Mallory
0.01 µF, B Case Chip Capacitor, ATC
0.6–4.5 pF, Variable Capacitor, Johanson
0.02 µF, B Case Chip Capacitor, ATC
100 µF, 50 V, Electrolytic Capacitor, Sprague
12 pF, B Case Chip Capacitor, ATC
51 pF, B Case Chip Capacitor, ATC
0.3 pF, B Case Chip Capacitor, ATC
0.1 µF, Chip Capacitor, Kemet
0.4–2.5 pF, Variable Capacitor, Johanson
8 Turns, 0.042″ ID, 24 AWG, Enamel
9 Turns, 0.046″ ID, 26 AWG, Enamel
NPN, 15 W, Bipolar Transistor, MJD310
PNP, 15 W, Bipolar Transistor, MJD320
200 Ω, Axial, 1/4 W Resistor
R2
R3
R4, R6, R7
R5
R8, R9, R10
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z8
Z9
Board
Input/Output
1.0 kΩ, 1/2 W Potentiometer
13 kΩ, Axial, 1/4 W Resistor
390 Ω, 1/8 W Chip Resistor, Rohm
1.0 Ω, 10 W 1% Resistor, DALE
12 Ω, 1/8 W Chip Resistor, Rohm
0.624″ x 0.08″ Microstrip
0.725″ x 0.08″ Microstrip
0.455″ x 0.08″ Microstrip
0.530″ x 0.330″ Microstrip
0.280″ x 0.330″ Microstrip
0.212″ x 0.330″ Microstrip
0.408″ x 0.08″ Microstrip
0.990″ x 0.08″ Microstrip
0.295″ x 0.08″ Microstrip
35 Mils Glass Teflon^®, Arlon GX–0300, ε_r = 2.55
Type N Flange Mount RF55–22, Connectors,
Omni Spectra
Figure 3. Schematic of Class A Test Circuit
MOTOROLA RF DEVICE DATA
MRF282S MRF282Z
5