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ASB Inc.

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

September 2012

ASL226

700-6000MHz MMIC LNA

C3=1 pF

RF OUT

ASL226

RF IN

L1=8.2 nH

L2=12 nH

VDD

C2=1

mF

C1=100 pF

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

Top

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

1176.45 MHz /

1227 MHz

+3 V

Board Layout (FR4, 14x11.3 mm

Bottom

Parameter

Symbol

Unit

Frequency [MHz]

1176.45

1227

Power Gain

dB

33

31

Noise Figure

NF

dB

1.1

1.0

Input Return Loss

dB

-20

-15

Output Return Loss

dB

-20

-15

Reverse Isolation

ISO

dB

-40

-40

1 dB Gain Compression

Output Power

dBm

9

10.5

3

Output Power

1)

OIP3

dBm

18

18

Current

mA

8.5

8.5

Device Voltage

V

3

3

800

900

1000

1100

1200

1300

1400

-60

-50

-40

-30

-20

-10

0

10

20

30

40

50

S12

S22

S11

S21

Frequency [MHz]

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

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

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