BLF647P#3

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

Product data sheet

Rev. 3 — 1 September 2015

4 of 14

BLF647P

Broadband power LDMOS transistor

7.2 Test circuit information

See Table 9 for a list of components.

Fig 1.

Schematic for class-AB production test circuit

aaa-006003

L11

L12

L4

C6

C12

L13

L14

C11

L5

L2

L3

C8

R2

R4

+Vgs2

T1

C5

R3

R1

C4

C7

+Vgs1

+Vds1

T2

+Vds2

50 Ω

C1

L1

C3

C2

C13

C22

C23

C17

L15

C18

C14

C15

C16

50 Ω

C19

C21

C20

See Table 9 for a list of components.

Fig 2.

Component layout for class-AB production test circuit

aaa-006004

6 mm

6 mm

29 mm

60 mm

60 mm

60 mm

R4

R3

C8

C7

C5

C4

C6

C12

C19

C20

C21

C13

C14

C15

C16

C18

C17

C22

C23

C11

C1

C2

C3

R1

R2