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RF5112

DS110617

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Evaluation Board Schematic - 3.3V

50

strip

J1

RF IN

C2

1 nF

C3

1 nF

C9

330 pF

R2

68



VREG1 and 2

PDETECT

C10

2.7 pF

L2

6.8 nH

Coilcraft

L1

7.5 nH

C6

1

F

C7

1

F

C1

1 nF

VCC

GND

P2-1

PDETECT

P2-3

VREG2

P2-4

VREG1

P2

1

2

3

4

HDR_1x4

P4

1

GND

50

strip

J2

RF OUT

C12

10 pF

16

15

14

13

5

6

7

8

9

10

11

12

4

3

2

1

1

Notes:

1. Pins 1, 4, 13, and 15 may be left as No Connect.

2. C2 and C3 bypass caps can be removed if

VREG1 and VREG2 are supplied with clean

voltages.

*DNP=Do Not Place

1

1

1

P3

1

P3-1

VCC

P1

1

2

C8

4.7

F

C11

DNP

TL

TL

TL = 112 mils (50

) from IC

(Measured to center of C10 pad)

GND

VCC

P1-1

5125400, r.-

R5

10



R4

1.8k

