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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 +8 dBm/tone separated by

1 MHz.

C1=1

F

L1=330 nH

C2=1

F

Vs=5 V

RF IN

RF OUT

C3=100 pF

C4=1

F

ASF255

R1=5.6



0

200

400

600

800

1000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

200

400

600

800

1000

0

5

10

15

20

25

30

Frequency (MHz)

0

200

400

600

800

1000

-25

-20

-15

-10

-5

0

Frequency (MHz)

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

70

150

300

450

900

Magnitude S21 (dB)

22.2

22.1

21.9

21.7

20.8

Magnitude S11 (dB)

-15.5

-18.0

-18.0

-16.0

-11.0

Magnitude S22 (dB)

-15.5

-20.0

-20.0

-20.0

-13.0

Output P1dB (dBm)

21.5

22.0

22.0

22.0

21.0

37.5

40.0

40.5

38.0

36.0

Noise Figure (dB)

2.2

2.2

2.3

2.3

2.3

Device Voltage (V)

+4.5

+4.5

+4.5

+4.5

+4.5

Device Current (mA)

90

90

90

90

90

IF

50 ~ 1000 MHz

+4.5 V, 90 mA

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)