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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=1.8 nH

L2=3.6 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 & Noise Figure & K-factor (4.5V)

APPLICATION CIRCUIT

WiMAX

2300 ~ 2900 MHz

+3 V / +4.5 V

Board Layout (FR4, 14x11.3 mm

Bottom

Parameter

Symbol

Unit

Frequency [MHz]

2300

2900

2300

2700

Power Gain

dB

22.5

19

25

23

Noise Figure

NF

dB

1.3

1.45

1.05

1.15

Input Return Loss

dB

-18

-14

-18

-15

Output Return Loss

dB

-15

-10

-12

-12

Reverse Isolation

ISO

dB

-30

-30

-30

-30

1 dB Gain Compression

Output Power

dBm

11

11

3

Output Power

1)

OIP3

dBm

12.5

20

Current

mA

8.5

17

Device Voltage

V

3

4.5

2000

2200

2400

2600

2800

3000

3200

-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.