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

January 2011

ASL425

200-4000 MHz MMIC Amplifier

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

parated by 1 MHz.

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

CDMA

824 ~ 894 MHz

+5 V

Frequency (MHz)

824~849

869~894

Magnitude S21 (dB)

34.5

34

Magnitude S11 (dB)

-8

-14

Magnitude S22 (dB)

-13

-14

Output P1dB (dBm)

28

29

Output IP3

43

45

Noise Figure (dB)

1.0

1.0

Device Voltage (V)

5

Current (mA)

350

C1=100 pF

Vcc=5 V

RF IN

RF OUT

C7=100 pF

ASL425

D1=5.6V

Zener Diode

L1=82 nH

(Coil Inductor)

C2=100 pF

C5=18 pF

L3=33 nH

C6=5.6 pF

C8=1 mF

C9=100pF

C10=1 mF

L2=33 nH

C4=4 pF

7 mm

L4=5.6 nH

C3=3 pF

R1=8.2 W

R2=6.2

kW

600

700

800

900

1000

1100

1200

0

10

20

30

40

50

Frequency (MHz)

600

700

800

900

1000

1100

1200

-25

-20

-15

-10

-5

0

Frequency (MHz)

600

700

800

900

1000

1100

1200

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)