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ASB Inc. · sales@asb.co.kr · Tel: +82-42-528-7223

October 2012

ASF250

5-1000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +10 dBm/tone separated by

1 MHz.

C1=1 mF

L1=330 nH

C2=1 mF

Vs=5 V

RF IN

RF OUT

C3=100 pF

C4=1 mF

ASF250

0

200

400

600

800

1000

-25

-20

-15

-10

-5

0

Frequency (MHz)

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

Frequency (MHz)

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

70

150

300

450

900

Magnitude S21 (dB)

17.0

16.9

16.7

16.6

16.1

Magnitude S11 (dB)

-15

-20

-20

-20

-14.5

Magnitude S22 (dB)

-18

-20

-20

-19

-16

Output P1dB (dBm)

22

22

22

22

22

Output IP3

40.0

43.5

43.5

40.5

38.5

Noise Figure (dB)

2.5

2.5

2.7

2.7

2.7

Device Voltage (V)

5

5

5

5

5

Device Current (mA)

103

103

103

103

103

50 ~ 1000

+5 V