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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)

2110~2170

Magnitude S21 (dB)

13.2

13

12.8

Magnitude S11 (dB)

-6

-6

-6

Magnitude S22 (dB)

-12

-12

-12

Output P1dB (dBm)

28.5

27.5

27

Output IP3

46

40.5

39.5

Noise Figure (dB)

6.0

4.9

4.5

Device Voltage (V)

5.3

5

4.75

Current (mA)

185

155

123

WCDMA Tx

2110 ~ 2170

+5.3 V / +5 V / +4.75 V

1900

2000

2100

2200

2300

2400

0

5

10

15

20

Frequency (MHz)

1900

2000

2100

2200

2300

2400

-20

-15

-10

-5

0

Frequency (MHz)

1900

2000

2100

2200

2300

2400

-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=68 pF

C2=68 pF

Vcc

RF IN

RF OUT

C5=100pF

C6=1 mF

ASX415

D1=5.6V

Zener Diode

C3=2.2 pF

C4=1.5 pF

L1=15 nH

(Coil Inductor)

0.5 mm

1 mm