ASX620 datasheet(7/8 Pages) ASB

7 / 8 page

7/8

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

September 2012

ASX620

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 & K-factor

APPLICATION CIRCUIT

GSM Tx

935 ~ 960 MHz

+5 V

Frequency (MHz)

935~960

Magnitude S21 (dB)

Magnitude S11 (dB)

-15

Magnitude S22 (dB)

-8

Output P1dB (dBm)

Output IP3

1) (dBm)

Noise Figure (dB)

6.8

Device Voltage (V)

Current (mA)

950

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

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)

C1=68 pF

C3=68 pF

Vcc=5 V

RF IN

RF OUT

C7=100pF

C8=1 mF

ASX620

D1=5.6V

Zener Diode

L1=82 nH

(Coil Inductor)

C4=7.5 pF

C5=100 pF

C9=100pF

C10=1 mF

L2=100 nH

3 mm

C6=3.9 pF

4.5 mm

L3=2.2 nH

C2=1 pF

R1=3 W

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