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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 and OIP2 are measured with two tones at an output power of +5

dBm/tone separated by 6 MHz.

2) OIP2 is measured at F1+F2 Frequency.

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

S-parameters

CATV ( 75 Ohm )

50 ~ 1000 MHz

+5 V

Frequency (MHz)

50

500

860

Magnitude S21 (dB)

25.4

25.3

24.2

Magnitude S11 (dB)

-14

-14

-14

Magnitude S22 (dB)

-10

-11

-9

Output P1dB (dBm)

20

19

16.5

Output IP3

37

32

27.5

Output IP2

44

46

36

Noise Figure (dB)

2.8

2.9

3.1

Device Voltage (V)

4.8

4.8

4.8

Current (mA)

107

107

107

0

100

200

300

400

500

600

700

800

900

1000

0

5

10

15

20

25

30

Frequency (MHz)

0

100

200

300

400

500

600

700

800

900

1000

-20

-15

-10

-5

0

Frequency (MHz)

0

100

200

300

400

500

600

700

800

900

1000

-20

-15

-10

-5

0

Frequency (MHz)

RF IN

RF OUT

ASF240

C2=1 mF

C1=1 mF

L1=390 nH

(Coil Inductor, Internal R=2 W)

L2=56 nH

R1=200 W

Vs=5 V

C3=100 pF

C4=1 mF

D1=5.6V

Zener Diode