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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 1 MHz.

2) OIP2 is measured at F1+F2 Frequency.

Board Layout (FR4, 40x40 mm

Schematic

APPLICATION CIRCUIT

S-parameters

CATV ( 75 Ohm )

5 ~ 200 MHz

+5 V

Frequency (MHz)

5

50

200

Magnitude S21 (dB)

26.3

26.5

26.3

Magnitude S11 (dB)

-16

-17

-18

Magnitude S22 (dB)

-14

-20

-15

Output P1dB (dBm)

20

20

20

Output IP3

37

39

39

Output IP2

44

47

53

Noise Figure (dB)

3.6

3.4

3.4

Device Voltage (V)

4.65

4.65

4.65

Current (mA)

95

95

95

0

50

100

150

200

250

300

0

5

10

15

20

25

30

Frequency (MHz)

0

50

100

150

200

250

300

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

50

100

150

200

250

300

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

RF IN

RF OUT

ASF240

C2=0.1 mF

C1=0.1 mF

R1=8.2 W

Vs=5 V

L1=33 mH

L2=33 mH

C3=100 pF

C4=1 mF

D1=5.6V

Zener Diode

Ceramic Inductor,

Internal R(L1+L2)=3.6 W