參數(shù)資料
型號: 933978520112
廠商: NXP SEMICONDUCTORS
元件分類: 功率晶體管
英文描述: 2 CHANNEL, VHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: CERAMIC PACKAGE-4
文件頁數(shù): 3/21頁
文件大?。?/td> 179K
代理商: 933978520112
1996 Oct 21
11
Philips Semiconductors
Product Specication
VHF push-pull power MOS transistor
BLF278
Fig.13 Printed-circuit board and component layout for 108 MHz class-B test circuit.
The circuit and components are situated on one side of the PTFE fibre-glass board, the other side being fully metallized to serve as an earth.
Earth connections are made by means of copper straps for a direct contact between upper and lower sheets.
Dimensions in mm.
handbook, full pagewidth
130
150
100
strap
MBC438
R1
C3
C2
C1
C4
L1
L2
C6
R11
C36
L3
L4
IC1
VDD1
R2 and R7
C8
C11
C7 L5
L6
L7
L8
C9
C13
R3
C12
slider R2
R4
slider R7
C15
R6
R5
C10
C14
C23
C24
C25
C19
C18
VDD2
L11
R8
L11
C22
C21
C20
C16
C17
VDD1
L9
L10
L13
L14
L17
L18
C26
C27
C28
L19
L20
C29
C30
C31
C32
C33
C34
R10
50
input
50
output
L23
L21
L22
L12
L15
C35
C5
T1
L16
R9
L16
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