October 1992

9

Philips Semiconductors

Product specification

VHF linear push-pull power MOS transistor

BLF348

Notes

1. American Technical Ceramics (ATC) capacitor, type 100B or other capacitor of the same quality.

2. The striplines L1, L3 - L9, L14 - L22 and L24 are on a double copper-clad printed circuit board with glass microfibre

PTFE dielectric (

3. Semi-rigid cables L2 and L23 are soldered on to striplines L1 and L24.

4. A copper strap, thickness 0.8 mm, is soldered on to striplines L14 - L21.

R1, R6

10 turns Bourns potentiometer

50 k

Ω

R2, R5

0.4 W metal film resistor

1 k

Ω

R3, R4

0.4 W metal film resistor

82

Ω

R7, R8

1 W,

±5% metal film resistor

10

Ω

COMPONENT

DESCRIPTION

VALUE

DIMENSIONS

CATALOGUE NO.