参数资料
型号: MRF158
元件分类: 功率晶体管
英文描述: UHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封装: CASE 305A-01, 4 PIN
文件页数: 10/16页
文件大小: 493K
代理商: MRF158
C1, C6, C12
270 pF, Chip Capacitors
C2, C5
1 – 10 pF, Johanson Trimmer Capacitors
C3
30 pF, 100 mil ATC Chip Capacitor
C4
3.9 pF, 100 mil ATC Chip Capacitor
C7, C8
0.1
mF, Blue Capacitors
C9, C10
680 pF, Feed Through Capacitors
C11
50
mF, 50 V Electrolytic Capacitor
C13
240 pF, 100 mil ATC Chip Capacitor
C7
R3
RFC2
RFC1
RF Output
DUT
R1
C1
RF Input
C2
Figure 1. MRF158 500 MHz Test Circuit
R2
C12
C3
C6
C4
C5
C13
C9
C11
C10
+
C8
VDD 28 V
+
VDC
R1
150
, 1/2 Watt
R2
10 k
, 1/2 Watt
R3
1 k
, 1/2 Watt
RFC1
Ferroxcube VK200–19/4B
RFC2
8 Turns, #20 AWG, Enameled, ID 110 mils
Board Material — 0.062
″, Teflon Fiberglass, 1 oz.,
Copper clad both sides,
εr = 2.55
C2
110 mils
from Outside Corner
C3
130 mils
from Outside Corner
Input Line
160 mils X 5315 mils
Output Line
160 mils X 4345 mils
C5
At Inside End
of C6
C4
280 mils
from Inside Corner
NOTE: Due to variation in Chip Capacitor values and
board material, these are approximate positions.
3
REV 9
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