September 1992

8

Philips Semiconductors

Product specification

HF/VHF power MOS transistor

BLF177

List of components (class-AB test circuit)

Notes

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

2. The striplines are on a double copper-clad printed circuit board, with PTFE fibre-glass dielectric (

thickness 1.6 mm.

COMPONENT

DESCRIPTION

VALUE

DIMENSIONS

CATALOGUE NO.

C1, C4, C13, C14

film dielectric trimmer

7 to 100 pF

2222 809 07015

C2

multilayer ceramic chip capacitor

(note 1)

56 pF

C3, C11

multilayer ceramic chip capacitor

(note 1)

62 pF

C5, C6

multilayer ceramic chip capacitor

100 nF

2222 852 47104

C7

multilayer ceramic chip capacitor

3

× 100 nF

2222 852 47104

C5

multilayer ceramic chip capacitor

10 nF

2222 852 47103

C7

multilayer ceramic chip capacitor

3

× 100 nF

2222 852 47104

C8

electrolytic capacitor

2.2

µF, 63 V

C9, C10

multilayer ceramic chip capacitor

(note 1)

20 pF

C12

multilayer ceramic chip capacitor

(note 1)

100 pF

C15

multilayer ceramic chip capacitor

(note 1)

150 pF

L1

5 turns enamelled 0.7 mm copper

wire

133 nH

length 4.5 mm;

int. dia. 6 mm;

leads 2

× 5 mm

L2, L3

stripline (note 2)

41.1

Ω

length 13

× 6 mm

L4

7 turns enamelled 1.5 mm copper

wire

236 nH

length 12.5 mm;

int. dia. 8 mm;

leads 2

× 5 mm

L5

grade 3B Ferroxcube wideband HF

choke

4312 020 36642

L6

5 turns enamelled 2 mm copper

wire

170 nH

length 11.5 mm;

int. dia. 8 mm;

leads 2

× 5 mm

R1, R2

1 W metal film resistor

10

Ω

R2

0.4 W metal film resistor

10 k

Ω

R3

0.4 W metal film resistor

1 M

Ω

R5

1 W metal film resistor

10 k

Ω