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ASB Inc.

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

February 2013

ASL22N

High Gain, Low Noise Amplifier

1) OIP3 is measured with two tones at an output power of -10 dBm/tone

separated by 1MHz.

1400

1450

1500

1550

1600

1650

1700

1750

1800

-50

-40

-30

-20

-10

0

10

20

30

40

S12

S22

S11

S21

Frequency [MHz]

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

Schematic

S-parameters

Frequency (MHz)

1575

Magnitude S21 (dB)

29.5

Magnitude S11 (dB)

-16

Magnitude S22 (dB)

-15

Output P1dB (dBm)

9.5

19

Noise Figure (dB)

1.0

Supply Current (mA)

9

Supply Voltage (V)

+3

Control Current (

A)

400

+3

APPLICATION CIRCUIT

GPS,GLONASS,Galileo&Compass

1559 MHz ~ 1610 MHz

+3 V

* On this evaluation circuit, C4 does not make any difference, so

may not be used. But, using C4 or not shall be decided upon the

GPS system board.

Top

Bottom

indep(Source_stabcir[m1,::]) (0.000 to 51.000)

indep(Load_stabcir[m1,::]) (0.000 to 51.000)

RF IN

RF OUT

L1=5.1 nH

VCTL

Hi: ON

Low: OFF (Power Save)

C2=0.75 pF

C3=1

F

VDD

ASL22N

1

2

3

4

5

6

C1=100 pF

C4=1

F

L2=9.1 nH