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

September 2011

ASF240

5-1000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +6 dBm/tone separated by

1MHz.

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

70

150

300

450

Magnitude S21 (dB)

26.4

26.3

26

25.6

Magnitude S11 (dB)

-14

-15

-15

-15

Magnitude S22 (dB)

-10

-11

-10

-9

Output P1dB (dBm)

20

20.5

20.5

20

Output IP3

40.5

41

38

34.5

Noise Figure (dB)

3.0

3.0

3.1

3.1

Device Voltage (V)

4.9

4.9

4.9

4.9

Current (mA)

114

114

114

114

IF

50 ~ 500 MHz

+5 V

RF IN

RF OUT

ASF240

C3=100 pF

C4=1 mF

D1=5.6V

Zener Diode

C1=1000 pF

C2=1000 pF

L1=1.2 mH

Vs=5 V

D

R =1 W

0

100

200

300

400

500

0

5

10

15

20

25

30

Frequency (MHz)

0

100

200

300

400

500

-20

-15

-10

-5

0

Frequency (MHz)

0

100

200

300

400

500

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)