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DS100915

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

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

SGA4286Z

Application Schematic

Evaluation Board Layout

Pin

Function

Description

1RF IN

RF input pin. This pin requires the use of an external DC-blocking capacitor chosen for the frequency of operation.

2, 4

GND

Connection to ground. For optimum RF performance, use via holes as close to ground leads as possible to reduce lead

inductance.

tion.

e

c

n

e

r

e

f

e

R

r

o

t

a

n

g

i

s

e

D

)

z

h

M

(

y

c

n

e

u

q

e

r

F

0

0

5

0

5

8

0

5

9

1

0

0

4

2

0

0

5

3

C

B

F

p

0

2

2F

p

0

0

1F

p

8

6F

p

6

5F

p

9

3

C

D

F

p

0

0

1F

p

8

6F

p

2

2F

p

2

2F

p

5

1

L

C

H

n

8

6H

n

3

3H

n

2

2H

n

8

1H

n

5

1

I

r

o

f

s

e

u

l

a

V

r

o

t

s

i

s

e

R

s

a

i

B

d

e

d

n

e

m

m

o

c

e

R

D

A

m

5

4

=

R

S

A

I

B

V

(

=

-

D

I

/

)

D

V

(

e

g

a

t

l

o

V

y

l

p

p

u

S

6V

8V

0

1V

2

1

R

S

A

I

B

2

60

1

10

5

10

0

2

R

:

e

t

o

N

S

A

I

B

.

e

r

u

t

a

r

e

p

m

e

t

r

e

v

o

y

t

il

i

b

a

t

s

s

a

i

b

C

D

s

e

d

i

v

o

r

p

RF in

RF out

1 uF

C

B

C

B

C

D

V

S

R

BIAS

L

C

1

2

3

4

1000

pF

SGA4286Z

1 uF

R

BIAS

1000 pF

C

B

C

B

C

D

L

C

V

S

Mounting Instructions

1. Use a large ground pad area under device pins 2

and 4 with many plated through-holes as shown.

2. We recommend 1 or 2 ounce copper. Measurements

for this data sheet were made on a 31 mil thick FR-4

board with 1 ounce copper on both sides.