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ASB Inc.

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

September 2012

ASL226

700-6000MHz MMIC LNA

1) OIP3 is measured with two tones at an output power of -20 dBm/tone separated by 1MHz.

Top

0

500

1000

1500

2000

2500

3000

3500

0

2

4

6

8

10

12

14

16

18

20

Frequency (MHz)

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]

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

GPS

1575 MHz

+3.3 V

Board Layout (FR4, 14x11.3 mm

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

Power Gain

F = 1.575 GHz

20

dB

Noise Figure

NF

F = 1.575 GHz

1.2

dB

Input Return Loss

F = 1.575 GHz

-20

dB

Output Return Loss

F = 1.575 GHz

-16

dB

Reverse Isolation

ISO

F = 1.575 GHz

-40

dB

1 dB Gain Compression

Output Power

F = 1.575 GHz

4

dBm

3

Output Power

1)

OIP3

F = 1.575 GHz

3

dBm

Current

F = 1.575 GHz,

Non-RF

8.5

mA

Bottom

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

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

* Note: Gain and current can be reduced by controlling VDD to 2 V.

C2 must be placed as close as possible to the device.

C3=39 pF

RF OUT

RF IN

L2=1.5 nH

L3=33 nH

VDD = 3.3 V

C2=1

mF

C1=22 pF

ASL226

L1=6.2 nH

R1=33

W

R2=43

W