RF2140PCBA datasheet(9/12 Pages) RFMD

9 / 12 page

2-137

RF2140

Rev A12 011031

Evaluation Board Schematic

(Download Bill of Materials from www.rfmd.com.)

AT_EN

RF IN

GND1

RF OUT

678

33 pF

C11

33 pF

C13

33 pF

C14

33 pF

C15

33 pF

C3**

Ωµstrip

.150"

C4**

33 pF

Quarter wave

length

33 pF

1nF

C10 *

0.9 pF

1nF

C5 *

12pF

C16

1nF

C17

1nF

3.3

µF

C12

1nF

C18

3.3

µF

RF IN

RF OUT

P1-1

P1-3

P1-1

ENABL

VCC

GND

P1-3

Schematic 2140400 Rev A

Board 2140410 Rev A

Capacitors are 0402.

*Murata GRM36COG series

** Johanson 500R07F series

All others are Panasonic ECU series

C20

3.3

µF

package

edge to

inside C3

.050"

C19

3.3

µF

C21

1nF

C22

1nF

3.9

Ω

APC

C3 (pF)

C4 (pF)

C23 (pF)

5.1

N/I

1.8

N/I

3.9

0.5

1.2

0.5

0.6

C24 (pF)

C25 (pF)

DCS

Band

PCS

C23**

C24**

C25

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