1999 Dec 06

6

Philips Semiconductors

Product specification

UHF power LDMOS transistor

BLF2047L

List of components (see Figs. 6 and 7)

Notes

1. American Technical Ceramics type 100B or capacitor of same quality.

2. American Technical Ceramics type 100A or capacitor of same quality.

3. The striplines are on a double copper-clad printed-circuit board with Teflon dielectric (

COMPONENT

DESCRIPTION

VALUE

DIMENSIONS

CATALOGUE NO.

C1, C2, C7 and C8

Tekelec variable capacitor; type 37271

0.6 to 4.5 pF

C3, C9

multilayer ceramic chip capacitor; note 1 12 pF

C4, C10

multilayer ceramic chip capacitor; note 2 12 pF

C5, C12 and C16

electrolytic capacitor

4.5

µF; 50 V

C6, C11 and C15

multilayer ceramic chip capacitor; note 1 1 nF

C13 and C17

electrolytic capacitor

100

µF; 63 V

2222 037 58101

C14

multilayer ceramic chip capacitor

100 nF

2222 581 16641

F1

Ferroxcube chip-bead 8DS3/3/8/9-4S2

4330 030 36301

L1

stripline; note 3

50

Ω

2.9

× 2.4 mm

L2

10.8

Ω

4

× 16.3 mm

L3

50

Ω

3.7

× 2.4 mm

L4

6

Ω

2

× 30.8 mm

L5

50

Ω

3.6

× 2.4 mm

L6

9

Ω

3

× 19.9 mm

L7

50

Ω

7.8

× 2.4 mm

L8

18.5

Ω

4

× 8.8 mm

L9

24.4

Ω

5

× 6.3 mm

L10 and L11

5.1

Ω

7

× 37 mm

L12

25.4

Ω

10.1

× 6mm

L13

5.7

Ω

2.4

× 32.8 mm

L14

25.4

Ω

6.4

× 6mm

L15

10

Ω

3.5

× 17.8 mm

L16

50

Ω

10.8

× 2.4 mm

L17

11.8

Ω

3

× 14.9 mm

L18

50

Ω

2.3

× 2.4 mm

L19

50

Ω

3

× 2.4 mm

L20

50

Ω

5.5

× 2.4 mm

R1 and R2

metal film resistor

10

Ω, 0.6 W

2322 156 11009