BLF544B Philips Semiconductors, BLF544B Datasheet - Page 9

• Manufacturer Part Number: BLF544B
• Description: UHF push-pull power MOS transistor
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Notes
1. American Technical Ceramics (ATC) capacitor, type 100B or other capacitor of the same quality.
2. The striplines are on a double copper-clad printed circuit board, with epoxy glass dielectric (
3. Semi-rigid cables L2 and L27 are soldered on to striplines L1 and L26.
October 1992
handbook, full pagewidth
UHF push-pull power MOS transistor
The circuit and components are situated on one side of the epoxy fibre-glass board, the other side being fully
metallized to serve as a ground. Earth connections are made by means of copper straps and hollow rivets for a
direct contact between the upper and lower sheets.
Dimensions in mm.
thickness
1
mounting screw
32
inch.
L1
L3
L2
R1
C1
C2
C4
C3
L4
L5
Fig.12 Component layout for 500 MHz test circuit.
C5
rivet
L6
L7
C12
C13
C10
C11
L8 L10
L9
C6
C7
R5
R6
L11
R9
R3
R7
R4
L12
L13
C8
C9
straps
L14
L15
C15
C16
200
mounting screw
9
L18 C20
L19
L16
L17
C21
L20
L21
C18
C19
R10
R11
V ds
L22
L23
V ds
C14
C17
C22
L24
L25
C23
C24
L26
L28
L27
r
= 2.2),
Product specification
strap
MDA514
BLF544B
85