ASX521 datasheet(6/12 Pages) ASB

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

February 2010

ASX521

250-3000 MHz MMIC Amplifier

1) OIP3 is measured with two tones at an output power of +15

dBm/tone separated by 1 MHz.

Board Layout (FR4, 40x40 mm

2, 0.8T)

Schematic

S-parameters

APPLICATION CIRCUIT

Frequency (MHz)

935~960

Magnitude S21 (dB)

Magnitude S11 (dB)

-15

Magnitude S22 (dB)

-11

Output P1dB (dBm)

Output IP3

1) (dBm)

Noise Figure (dB)

10.5

Device Voltage (V)

Current (mA)

870

GSM Tx

935 ~ 960 MHz

+5 V

600

700

800

900

1000

1100

1200

Frequency (MHz)

600

700

800

900

1000

1100

1200

-30

-25

-20

-15

-10

-5

Frequency (MHz)

600

700

800

900

1000

1100

1200

-15

-10

-5

Frequency (MHz)

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

Vcc=5 V

RF IN

RF OUT

C5=100pF

C6=1 mF

ASX521

D1=5.6V

Zener Diode

L1=18 nH

(Coil Inductor)

C2=100 pF

C1=2.2 pF

C4=12 pF

C7=100pF

C8=1 mF

L2=33 nH

C3=7 pF

6 mm

R1=15 W

R2=6.8 W

6.5 mm

1.5 mm

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