700-2700 MHz 1.5~2.0W Power Amplifier

BT331

4

Rev. G

BeRex

●website: www.berex.com

●email: sales@berex.com

Specifications and information are subject to change and products may be discontinued without notice. BeRex is a trademark of BeRex.

All other trademarks are the property of their respective owners. © 2018 BeRex

Application Circuit: 900 MHz

Schematic Diagram

BOM

Toler-

ance

C1

100pF

±5%

0603

C2

100pF

±5%

0603

C3

100pF

±5%

0603

C4

1nF

±5%

0603

C5

1uF

±5%

0603

C6

10uF

±20%

1206

C7

NC

C8

NC

C9

1pF

±5%

0603

C10

0603

3.3pF

±5%

C11

0603

10pF

±5%

C12

0603

8pF

±5%

L1

18nH

±5%

1008

L2

0603

8.2nH

±5%

R1

4.3KΩ

±5%

0603

R2

100Ω

±5%

0603

PCB Diagram

Notice

1.

PCB: 31mil thick FR4

2.

Distance between the center of

the shunt Inductor(L2) and the

input pin of BT331 _ 6.45 mm.

3.

Distance between the center of

the series cap.(C10) and the

input pin of BT331 _ 2.8mm.

4.

Distance between the center of

the shunt cap.(C11) and the

input pin of BT331 _ 1.5 mm.

5.

Distance between the center of

the shunt cap.(C12) and the

output pin of BT331 _ 8.25 mm.

opened simultaneously may cause instabil-

ity. Please See an application note or con-

tact company for application support.

8

7

6

3

4

5

2

1

C6

Vcc

RF_IN

RF_OUT

C3 C4 C5

C1

C2

C10

L2

L1

C12

C9

R2

R1

C11

C7

C8