September 1992

9

Philips Semiconductors

Product specification

VHF power MOS transistor

BLF225

Fig.12 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 fully

metallized to serve as earth. Earth connections are made by means of copper straps and hollow rivets for a

direct contact between upper and lower sheets.

Dimensions in mm.

handbook, full pagewidth

MGP126

strap

rivets

rivets

strap

L2

L3

L6

C9

C8

C7

C6

L5

C5

R4

C10

L4

L1

C1

C2

C3

R1

R2

R3

150

72

C4