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

September 2011

ASX423

100-4500 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +12 dBm/tone se-

parated by 1 MHz.

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

2300 ~ 2700 MHz

+5 V

Frequency (MHz)

2300

2500

2700

Magnitude S21 (dB)

20.5

19

17

Magnitude S11 (dB)

-13

-20

-14

Magnitude S22 (dB)

-14

-11

-13

Output P1dB (dBm)

30

30

29.5

Output IP3

45

45

45

Noise Figure (dB)

2.8

2.9

3.2

Device Voltage (V)

5

5

5

Current (mA)

400

400

400

2000

2200

2400

2600

2800

3000

0

5

10

15

20

25

30

Frequency (MHz)

2000

2200

2400

2600

2800

3000

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

2000

2200

2400

2600

2800

3000

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

C1=100 pF

Vcc=5 V

RF IN

RF OUT

C7=100 pF

ASX423

D1=5.6V

Zener Diode

L2=39 nH

(Coil Inductor)

C3=100 pF

C5=3.3 pF

L3=18 nH

C6=1 pF

C8=1 mF

C9=100pF

C10=1 mF

L1=18 nH

C4=1.5 pF

0.5 mm

C2=0.5 pF