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

May 2012

ASX415

250-4000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +6 dBm/tone @ 5V & +4

dBm/tone @ 4.75V separated by 1MHz.

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

2500~2700

2500~2700

Magnitude S21 (dB)

11.5

11.5

Magnitude S11 (dB)

-7

-7

Magnitude S22 (dB)

-10

-10

Output P1dB (dBm)

29

28.5

Output IP3

37

36

Noise Figure (dB)

4.2

3.9

Device Voltage (V)

5

4.75

Current (mA)

155

123

WiMAX

2500 ~ 2700

+5 V / 4.75V

C1=68 pF

C2=68 pF

Vcc=5 V / 4.75 V

RF IN

RF OUT

C5=100pF

C6=1 mF

ASX415

D1=5.6V

Zener Diode

C3=2 pF

C4=1.5 pF

L1=15 nH

(Coil Inductor)

1.5 mm

2000

2200

2400

2600

2800

3000

3200

0

5

10

15

20

Frequency (MHz)

2000

2200

2400

2600

2800

3000

3200

-20

-15

-10

-5

0

Frequency (MHz)

2000

2200

2400

2600

2800

3000

3200

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)