參數(shù)資料
型號(hào): MRF858S
廠商: FREESCALE SEMICONDUCTOR INC
元件分類(lèi): 功率晶體管
英文描述: UHF BAND, Si, NPN, RF POWER TRANSISTOR
封裝: CASE 319A-02, 6 PIN
文件頁(yè)數(shù): 3/6頁(yè)
文件大?。?/td> 105K
代理商: MRF858S
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HIVE
INF
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RMA
TI
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ARCHIVE
INFORMA
TION
3
MRF858S
MOTOROLA RF DEVICE DATA
B1, B2
Short Ferrite Bead, Fair Rite (2743021447)
C1
250
F, 50 Vdc Electrolytic Capacitor
C2, C5
10
F, 50 Vdc Electrolytic Capacitor
C3, C6
0.1
F, Chip Capacitor
C4, C7
100 pF, Chip Capacitor
C8, C15
43 pF, 100 Mil Chip Capacitor
C9, C10
10 pF, Mini–Unelco
C11
5 pF, Mini–Unelco
C12, C13, C14 0.8–8.0 pF, Johanson Gigatrim
C15, C16
1000 pF, Chip Capacitor
F1
1 A Micro–Fuse
L1, L2
10 Turns, 20 AWG, 0.150
″ ID (10 1/2 W Resistor)
L3
4 Turns, 16 AWG, 0.101
″ ID
L4
0.5
″ 18 AWG Wire
Q1
MMBT2222ALT1, NPN Transistor
Q2
BD136, PNP Transistor
R1
390
, 1/4 W
R2
500
Potentiometer, 1/4 W
R3
7.5K
, 1/4 W
R4
2 x 4.7K
, 1/4 W
R5
56
, 2 W
R6
75
, 1/4 W
R7
4.7
, 1/4 W
R8
4
, 10 W
TL1, TL5
50
, Microstrip Transmission Line
TL2
Microstrip Transmission Line
TL3
Microstrip Transmission Line
TL4
Microstrip Transmission Line
V_Supply
+26 Vdc
±0.5 Vdc Due to Resistor Tolerance
VCE
+24 Vdc @ 0.5 A
Board
0.030
″ Glass–Teflon 2 oz. Cu, εr = 2.55
Figure 1. MRF858S Class A RF Test Fixture Schematic
R1
R2
R3
R8
R5
R6
L3
C7
C5
C14
C13
C12
TL2
C9
Q1
R4
C4
L4
C6
OUTPUT
C10
C2
C3
B1
C1
V_SUPPLY
Q2
+
INPUT
VCE
L1
L2
B2
TL4
C15 TL5
0.685″
DUT
TL3
C8
TL1
R7
C15
F1
C16
C11
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