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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 +8 dBm/tone @ 5.3V & +6

dBm/tone @ 5V & +4 dBm/tone @ 4.75V separated by 1MHz.

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor (5V)

APPLICATION CIRCUIT

Frequency (MHz)

1920~1980

Magnitude S21 (dB)

14.5

14.3

14

Magnitude S11 (dB)

-7

-7

-7

Magnitude S22 (dB)

-11

-11

-11

Output P1dB (dBm)

29

27

26.5

Output IP3

46

42

40

Noise Figure (dB)

5.6

4.6

4.1

Device Voltage (V)

5.3

5

4.75

Current (mA)

185

155

123

WCDMA Rx

1920 ~ 1980

+5.3 V / +5 V / +4.75 V

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

1700

1800

1900

2000

2100

2200

0

5

10

15

20

Frequency (MHz)

-40

25

85

1700

1800

1900

2000

2100

2200

-25

-20

-15

-10

-5

0

Frequency (MHz)

-40

25

85

1700

1800

1900

2000

2100

2200

-25

-20

-15

-10

-5

0

Frequency (MHz)

-40

25

85

C1=68 pF

C2=68 pF

Vcc

RF IN

RF OUT

C5=100pF

C6=1 mF

ASX415

D1=5.6V

Zener Diode

C3=2.7 pF

C4=1.8 pF

L1=18 nH

1.5 mm

1.5 mm