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ASB Inc.

 sales@asb.co.kr  Tel: +82-42-528-7225

February 2017

ASX415

250 ~ 4000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +5 dBm/tone @ +5.30 V,

+6 dBm/tone @ +5.00 V, +10 dBm/tone @ +4.75 V separated by 1 MHz.

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

CDMA Tx

869 ~ 894 MHz

+5.30 V, +5.00 V, +4.75 V

600

700

800

900

1000

1100

1200

0

5

10

15

20

25

Frequency (MHz)

600

700

800

900

1000

1100

1200

-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)

Frequency (MHz)

869 ~ 894

Magnitude S21 (dB)

20.1

20.0

19.7

Magnitude S11 (dB)

-14

-14

-12

Magnitude S22 (dB)

-13

-13

-13

Output P1dB (dBm)

29.0

29.0

27.5

45.0

42.5

39.0

Noise Figure (dB)

5.2

4.2

4.2

Device Voltage (V)

+5.30

+5.00

+4.75

Current (mA)

185

155

123

C1=100 pF

C2=100 pF

Vcc=5 V

RF IN

RF OUT

C5=100pF

C6=1

F

ASX415

D1=5.6V

Zener Diode

C3=8 pF

C4=4.7 pF

L1=68 nH

(Coil Inductor)

L2=6.8 nH

L3=3.3 nH