MRF859S Motorola, MRF859S Datasheet - Page 3

• Manufacturer Part Number: MRF859S
• Description: NPN SILICON RF POWER TRANSISTOR
• Manufacturer: Motorola

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