ASX621 데이터 시트보기 (PDF) - ASB Inc

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ASX621

DC-3000 MHz MMIC Amplifier

ASB Inc 

ASX621

DC-3000 MHz MMIC Amplifier

APPLICATION CIRCUIT

WCDMA Rx

1920 ~ 1980

+5 V

Frequency (MHz)

1920~1980

Magnitude S21 (dB)

18

Magnitude S11 (dB)

-14

Magnitude S22 (dB)

-14

Output P1dB (dBm)

Output IP31) (dBm)

32.5

50

Noise Figure (dB)

5.6

Supply Voltage (V)

5

Current (mA)

1150

1) OIP3 is measured with two tones at an output power of +14

dBm/tone separated by 1 MHz.

Schematic

Vcc=5 V

D1=5.6V

Zener Diode

C7=1 µF

C6=100pF

L1=27 nH C3=2.2 pF

(Coil Inductor)

RF IN

ASX621

C5=1 µF

C4=100pF

L2=27 nH

(Coil Inductor)

C2=1.5 pF RF OUT

3 mm

L3=1.8 nH

C1=2 pF

Board Layout (FR4, 40x40 mm2, 0.8T)

S-parameters

25

20

15

10

-40oc

25oc

85oc

5

0

1700

0

1800

1900

2000

Frequency (MHz)

2100

2200

0

-5

-10

-15

-20

-25

-30

1700

5

-40oc

25oc

85oc

1800

1900

2000

Frequency (MHz)

2100

2200

-5

4

-10

3

-15

-40oc

2

25oc

85oc

-20

1

4/10

-25

1700

1800

1900

2000

Frequency (MHz)

2100

2200

0

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

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

August 2008

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