September 1992

9

Philips Semiconductors

Product specification

VHF power MOS transistor

BLF245

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

The circuit and components are situated on one side of the epoxy fiber-glass board; the other side is unetched

copper and serves as an earth. Earth connections are made by means of fixing screws, hollow rivets and copper

straps 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

MGP175

copper straps

copper straps

copper strap

rivets

C1

C2

C3

+VGG

+VDD

C4

L1

L2

L3

L4

L6

C5

C6

C7

C9

C10

C8

L5

R3

R2

R1

135

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