参数资料
型号: MRF858
厂商: MOTOROLA INC
元件分类: 功率晶体管
英文描述: 14 pin DIP, 5.0 Volt, HCMOS/TTL, Clock Oscillator
中文描述: UHF BAND, Si, NPN, RF POWER TRANSISTOR
文件页数: 3/6页
文件大小: 164K
代理商: MRF858
3
MRF858 MRF858S
MOTOROLA RF DEVICE DATA
B1, B2
C1
C2, C5
C3, C6
C4, C7
C8, C15
C9, C10
C11
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
Short Ferrite Bead, Fair Rite (2743021447)
250
μ
F, 50 Vdc Electrolytic Capacitor
10
μ
F, 50 Vdc Electrolytic Capacitor
0.1
μ
F, Chip Capacitor
100 pF, Chip Capacitor
43 pF, 100 Mil Chip Capacitor
10 pF, Mini–Unelco
5 pF, Mini–Unelco
R1
R2
R3
R4
R5
R6
R7
R8
TL1, TL5
TL2
TL3
TL4
V_Supply
VCE
Board
390
, 1/4 W
500
Potentiometer, 1/4 W
7.5K
, 1/4 W
2 x 4.7K
, 1/4 W
56
, 2 W
75
, 1/4 W
4.7
, 1/4 W
4
, 10 W
50
, Microstrip Transmission Line
Microstrip Transmission Line
Microstrip Transmission Line
Microstrip Transmission Line
+26 Vdc
±
0.5 Vdc Due to Resistor Tolerance
+24 Vdc @ 0.5 A
0.030
Glass–Teflon
2 oz. Cu,
ε
r = 2.55
Figure 1. MRF858 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
相关PDF资料
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