BLW30 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

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BLW30

VHF power transistor

Philips Electronics 

Philips Semiconductors

VHF power transistor

Product specification

BLW30

handbook, full pagewidth

C1

L1

50 Ω

C3a

L4 T.U.T.

C2

C3b

L2

R1 L3

L5

L8 C6

L6

C4

C5 R2

50 Ω

C7

L7

+VCC

MGP427

Fig.8 Class-B test circuit at f = 175 MHz.

List of components (see test circuit)

COMPONENT

C1

C2, C7

C3a, C3b

C4

C5

C6

L1

DESCRIPTION

film dielectric trimmer

film dielectric trimmer

500 V ceramic capacitor

ceramic capacitor

polyester capacitor

film dielectric trimmer

1⁄2 turn enamelled 1.6 mm copper wire

VALUE

2.5 to 20 pF

4 to 40 pF

47 pF

120 pF

100 nF

7 to 100 pF

L2

L3, L7

L4, L5

7 turns closely wound enamelled 0.5 mm

copper wire

grade 3B Ferroxcube wideband HF choke

stripline (note 1)

100 nH

L6

31⁄2 turns closely wound enamelled

1.6 mm copper wire

L8

1 turn enamelled 1.6 mm copper wire

R1, R2

0.25 W carbon resistor

10 Ω, 5%

DIMENSIONS

CATALOGUE NO.

2222 809 07004

2222 809 07008

int. dia. 6 mm;

leads 2 × 5 mm

int. dia. 3 mm;

leads 2 × 5 mm

12 mm × 6 mm;

note 2

int. dia. 6 mm;

leads 2 × 5 mm

int. dia. 6 mm;

leads 2 × 5 mm

2222 809 07015

4312 020 36640

Notes

1. The striplines are on a double copper-clad printed circuit board, with epoxy fibre-glass dielectric, thickness 1⁄16 inch.

2. Taps for capacitors C3a and C3b are situated 5 mm from the transistor.

September 1991

7

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