BLF644P#3

All information provided in this document is subject to legal disclaimers.

© Ampleon The Netherlands B.V. 2015. All rights reserved.

Product data sheet

Rev. 3 — 1 September 2015

4 of 12

BLF644P

Broadband power LDMOS transistor

7.2 Test circuit information

See Table 9 for list of components.

Fig 1.

Schematic for class-AB production test circuit

aaa-009152

L6

L8

L9

C1

C8

C9

C10

C12

C18

C14

C15

C19

C16

C17

R5

L14

R6

C13

C11

C2 L4

L10

L11

L13

L12

L5

L3

L2

R1

L1

C4

C3

50 Ω

50 Ω

C5

R3

C6

R2

R4

T1

T2

C7

L7

Printed-Circuit Board (PCB): RF 35;

plating = 35

m.

See Table 9 for list of components.

Fig 2.

Component layout for class-AB production test circuit

C14

C15

C17

C10

C9

C8

C1

R1

R2

R4

C6

C4

C5

C3

R3

C2

C7

R6

C12

C11

C13

C16

T2

T1

R5

60 mm

60 mm

60 mm

C18

C19

aaa-009153