MRF859 Datasheet, PDF (3/6 Pages) Motorola, Inc – NPN SILICON RF POWER TRANSISTOR

R1
R2
R3
INPUT
V SUPPLY
+
R8
F1
VCE
C1
Q1
Q2
R4
R5
R7
R6
TL1
C8
TL2
TL3
SB1
+
C2
C3
C4
B1
B2
C16
C7
L1
L2
C9
DUT
TL4
L3
+
C5
C15 TL5
C12
C10
C11
C13
C14
C6
OUTPUT
0.880″
B1, B2
Ferrite Bead, Ferroxcube (56–390–65/3B)
C1
250 µF, 50 Vdc, Electrolytic Capacitor
C2, C5
10 µF, 50 Vdc, Electrolytic Capacitor
C3, C6
0.1 µF, Chip Capacitor
C4
1000 pF, Chip Capacitor
C7, C16
100 pF, Chip Capacitor
C8, C15
43 pF, 100 Mil Chip Capacitor
C9, C10
6.8 pF, Mini–Unelco
C11
18 pF, Mini–Unelco
C12, C13, C14 0.8 – 8.0 pF, Johanson Gigatrim
F1
3 Amp Micro–Fuse
L1, L2
3 Turns, 18 AWG, 0.170″ ID
L3
12 Turns, 22 AWG, 0.150″ ID (10 Ω 1/2 W Resistor)
Q1
MMBT2222ALT1, NPN Transistor
Q2
BD136, PNP Transistor
R1
R2
R3
R4
R5
R6
R7
R8
SB1
TL1, TL5
TL2
TL3
TL4
Board
V Supply
VCE
470 Ω, 1/4 W
500 Ω Potentiometer, 1/4 W
4.7K Ω, 1/4 W
2 x 4.7K Ω, 1/4 W
50 Ω, 2 W
75 Ω, 1/4 W
4.7 Ω, 1/4 W
4 Ω, 10 W
Copper Block 0.550″ x 0.180″ x 0.050″
50 Ω, Microstrip Transmission Line
Microstrip Transmission Line
Microstrip Transmission Line
Microstrip Transmission Line
0.030″ Glass–Teflon^® 2 oz. Cu, ε_r = 2.55
+ 27.6 Vdc ± 0.5 Vdc Due to Resistor Tolerance
+ 24 Vdc @ 0.9 A
Figure 1. MRF859 Class A RF Test Fixture Schematic
MOTOROLA RF DEVICE DATA
MRF859 MRF859S
3