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ASB Inc.

 sales@asb.co.kr  Tel: +82-42-528-7225

February 2017

ASF255

5 ~ 3000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +5 dBm/tone sepa-

rated by 1 MHz.

RF IN

RF OUT

ASF255

Vs=5 V

C5=100 pF

R1=680



C3=1 pF

L1=270 nH

C4=1 nF

C1=1

F

C6=1

F

C2=1

F

0

500

1000

1500

2000

2500

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

0

5

10

15

20

25

Frequency (MHz)

0

500

1000

1500

2000

2500

-20

-15

-10

-5

0

Frequency (MHz)

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

50

1000

2150

Magnitude S21 (dB)

18.2

18.4

18.1

Magnitude S11 (dB)

-8.0

-10.0

-14.0

Magnitude S22 (dB)

-8.0

-17.0

-7.0

Output P1dB (dBm)

21.5

21.5

20.0

38.0

37.0

34.0

Noise Figure (dB)

2.5

2.6

3.0

Supply Voltage (V)

+5

+5

+5

Current (mA)

104

104

104

SMATV

50 ~ 2150 MHz

+5 V