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ASB Inc.

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

September 2012

ASL226

700-6000MHz MMIC LNA

C3=0.75 pF

RF OUT

ASL226

RF IN

L1=3.3 nH

L2=5.6 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

WCDMA

1950 MHz

+3 V / +5 V

Board Layout (FR4, 14x11.3 mm

Parameter

Symbol

Test Conditions

TYP.

Unit

Power Gain

F = 1950 MHz

25

28

dB

Noise Figure

NF

F = 1950 MHz

1.3

1.05

dB

Input Return Loss

F = 1950 MHz

-15

-18

dB

Output Return Loss

F = 1950 MHz

-20

-12

dB

Reverse Isolation

ISO

F = 1950 MHz

-35

-35

dB

1 dB Gain Compression

Output Power

F = 1950 MHz

10.5

14

dBm

3

Output Power

1)

OIP3

F = 1950 MHz

16.5

23

dBm

Current

F = 1950 MHz,

Non-RF

8.5

18

mA

Device Voltage

F = 1950 MHz,

Non-RF

3

5

V

Bottom

0

500

1000

1500

2000

2500

3000

3500

-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)

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

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