September 1992

9

Philips Semiconductors

Product specification

VHF power MOS transistor

BLF244

Fig.14 Component layout for 175 MHz class-B test circuit.

The circuit and components are situated on one side of the epoxy fibre-glass board, the other side being

unetched copper to serve as ground plane. Earth connections are made by fixing screws, copper straps and

hollow rivets under the sources and around the edges to provide a direct contact between the copper on the

component side and the ground plane.

Dimensions in mm.

handbook, full pagewidth

MGP162

C2

C1

C3

C4

C5

L1

L2

C7 C14

L5

R3

L6

+VD

C13

L7

C8

C9

L8

C11

C12

C10

R1

+VG

C6

R2

L3

L4

strap

rivet

strap

70

150