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RFDA0066

DS141218

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

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

Evaluation Board Schematic

5MHz to 250MHz Application Circuit

Bias Resistance

Supply Voltage

7V

8V

9V

12V

Bias Resistance

19



27.5



36



63



1

2

3

4

5

8

6

7

RN1

1K

R5

1K

1

J2

RFOUT

1

J1

RFIN

R1

23.7

1

2

3

4

5

6

P1

HDR_1X6

VDD

PUP

CLK

LE

DATA

VDD

VCC

PUP

DATA

LE

CLK

R4

DNP

C21

DNP

AMP1 _IN

1

DSA1 _OUT

2

ACG1

3

ACG2

4

ACG3

5

ACG4

6

DSA1 _IN

7

AMP2 _OUT

15

GND

16

GND

17

AMP2 _IN

18

DSA2 _OUT

19

GND

20

ACG5

21

U1

RFDA0066

C1

2.2uF

C2

10000pF

C3

10000pF

C4

10000pF

C5

10000pF

C6

1uF

C7

1uF

L1

4700nH

C8

1000pF

C9

1uF

+

C10

10uF

C12

10000pF

C13

10000pF

C14

10000pF

C15

10000pF

C16

1uF

L2

4700nH

R3

23.7

VCC

C18

1000pF

C19

1uF

+

C20

10uF

C17

2.2uF

VDD

C22

10000pF

C23

1uF

1

2

P2

HDR_1X2

VCC

CB2

12

TXD

1

DTR#

2

RTS#

3

VIO

4

RXD

5

RI#

6

GND

7

DSR#

8

DCD#

9

CTS#

10

CB4

11

GND

24

SLD

13

USB

14

VCC

15

PU2

16

PU1

17

CB3

18

3V3

19

RST

20

VCC

21

CB1

22

CB0

23

CB2

TXD

DTR#

RTS#

VIO

RXD

RI#

GND

DSR#

DCD#

CTS#

CB4

GND

SLD

USB

VCC

PU2

PU1

CB3

3V3

RST

VCC

CB1

CB0

P3

UM2 32R

PUP

CLK

DATA

LE

R6

DNP