BLF368 datasheet(9/16 Pages) PHILIPS

9 / 16 page

1998 Jul 29

Philips Semiconductors

Product speciﬁcation

VHF push-pull power MOS transistor

BLF368

List of components class-AB test circuit (see Figs 12 and 13)

COMPONENT

DESCRIPTION

VALUE

DIMENSIONS

CATALOGUE No.

C1, C2

multilayer ceramic chip capacitor

(note 1)

× 56 pF in

parallel

+ 18 pF,

500 V

ﬁlm dielectric trimmer

2 to 9 pF

2222 809 09005

multilayer ceramic chip capacitor

(note 1)

47 pF, 500 V

ﬁlm dielectric trimmer

5 to 60 pF

2222 809 08003

C6, C7, C9, C10,

C12, C15, C31, C34

multilayer ceramic chip capacitor

(note 1)

1 nF, 500 V

2222 852 47104

C8, C11, C16, C21,

C32

multilayer ceramic chip capacitor

(note 1)

100 nF, 50 V

C17, C20, C33

electrolytic capacitor

µF, 63 V

C22

multilayer ceramic chip capacitor

(note 1)

82 pF, 500 V

C23

multilayer ceramic chip capacitor

(note 1)

10 pF

+ 30 pF in

parallel, 500 V

C24, C28

ﬁlm dielectric trimmer

2 to 18 pF

2222 809 09006

C25, C26

multilayer ceramic chip capacitor

(note 1)

39 pF

+ 47 pF in

parallel, 500 V

C27

multilayer ceramic chip capacitor

(note 1)

18 pF, 500 V

C29, C30

multilayer ceramic chip capacitor

(note 1)

× 100 pF in

parallel, 500 V

L1, L3, L22, L24

stripline (note 2)

Ω

4.8

× 80 mm

L2, L23

semi-rigid cable (note 3)

Ω

ext. conductor

length 80 mm

ext. dia 3.6 mm

L4, L5

stripline (note 2)

Ω

× 32.5 mm

L6, L7

stripline (note 2)

Ω

× 10.5 mm

L8, L9

stripline (note 2)

Ω

× 3mm

L10, L11

stripline (note 2)

Ω

× 10.5 mm

L12, L15

grade 3B Ferroxcube wideband

HF choke

2 in parallel

4312 020 36642

L13, L14

2 turns enamelled 1.6 mm copper wire 25 nH

space 2.5 mm

int. dia. 5 mm

leads 2

× 7mm

L16, L17

stripline (notes 2 and 4)

Ω

× 3mm

L18, L19

stripline (notes 2 and 4)

Ω

× 35 mm

L20, L21

stripline (notes 2 and 4)

Ω

× 9mm

R1, R6

10 turns potentiometer

50 k

Ω

R2, R5

metal ﬁlm resistor

0.4 W, 1 k

Ω

R3, R4

metal ﬁlm resistor

0.4 W, 536

Ω

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