1999 Dec 06

7

Philips Semiconductors

Preliminary specification

UHF power LDMOS transistor

BLF2045

List of components

Notes

1.

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

2.

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

3.

The striplines are on a double copper-clad PCB with Teflon dielectric (

COMPONENT

DESCRIPTION

VALUE

DIMENSIONS

CATALOGUE NO.

C2, C4, C7,

C8

Tekelec variable capacitor; type 37281

0.4 to 2.5 pF

C3

multilayer ceramic chip capacitor; note 1

2.4 pF

C1, C5, C9,

C10

multilayer ceramic chip capacitor; note 1

11 pF

C11

multilayer ceramic chip capacitor; note 2

1 nF

C12

multilayer ceramic chip capacitor

100 nF

2222 581 16641

C6, C13, C14,

C15

tantal SMD capacitor

4.5

µF; 50 V

C16

electrolytic capacitor

100

µF; 63 V

2222 037 58101

F1

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

4330 030 36301

L1

stripline; note 3

50

Ω

13

× 0.9 mm

L2

stripline; note 3

50

Ω

2

× 0.9 mm

L3

stripline; note 3

34.3

Ω

15

× 1.7 mm

L4, L12

stripline; note 3

50

Ω

37

× 0.9 mm

L5

stripline; note 3

34.3

Ω

6

× 1.7 mm

L6

stripline; note 3

23.6

Ω

13

× 2.9 mm

L7

stripline; note 3

5.6

Ω

6

× 15.8 mm

L8

stripline; note 3

3.5

Ω

6

× 26 mm

L9

stripline; note 3

31.9

Ω

12

× 1.9 mm

L10

stripline; note 3

24.9

Ω

7.4

× 2.7 mm

L11

stripline; note 3

50

Ω

3x 0.9mm

L13

stripline; note 3

50

Ω

4.15

× 0.9 mm

L14

stripline; note 3

26.3

Ω

2.5

× 2.5 mm

L15

stripline; note 3

50

Ω

2.8

× 0.9 mm

L16

stripline; note 3

50

Ω

14

× 0.9 mm

R1, R2

metal film resistor

10

Ω, 0.6 W

2322 156 11009