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ASB Inc.

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

February 2017

ASF250

5 ~ 1000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +7 dBm/tone separated by 1 MHz.

0

200

400

600

800

1000

-30

-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)

C1=1

F

L1=560 nH

C2=1

F

Vs=5 V

RF IN

RF OUT

C3=100 pF

C4=1

F

ASF250

R1=4.7



Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

70

150

300

450

900

Magnitude S21 (dB)

17.0

16.8

16.7

16.5

16.0

Magnitude S11 (dB)

-15

-20

-20

-20

-14

Magnitude S22 (dB)

-16

-20

-20

-20

-13

Output P1dB (dBm)

21

21

21

21

21

39.0

41.5

42.0

39.0

36.5

Noise Figure (dB)

2.4

2.4

2.6

2.6

2.6

Device Voltage (V)

+4.6

+4.6

+4.6

+4.6

+4.6

Device Current (mA)

90

90

90

90

90

IF

50 ~ 1000 MHz

+4.6 V, 90 mA

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)