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ASB Inc.

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

February 2009

ASL19W

DC-3000 MHz High Linearity LNA MMIC

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

rated by 1 MHz.

Board Layout (FR4, 40x40 mm

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

70

150

300

Magnitude S21 (dB)

24.5

24

22.5

Magnitude S11 (dB)

-13

-13

-10

Magnitude S22 (dB)

-15

-18

-18

Output P1dB (dBm)

21

21

21

Output IP3

32

32.5

34

Noise Figure (dB)

2.9

2.9

2.8

Supply Voltage (V)

5

5

5

Current (mA)

73

73

73

voltage drop resistor is added to apply 4.4 V

to the device. A user can easily REDUCE an

values with minimized loss only in OIP3 and

P1dB.

IF

30 ~ 400

+5 V

Vcc=5 V

RF IN

RF OUT

C3=100 pF

ASL19W

D1=5.6V

Zener Diode

R =6.2 k

Ω

B

D

R =8.2

Ω

C1=1

µF

R1=100

Ω

C2=1

µF

L1=1

µΗ

C4=10

µF

0

100

200

300

400

500

0

5

10

15

20

25

30

Frequency (MHz)

0

100

200

300

400

500

-20

-15

-10

-5

0

Frequency (MHz)

0

100

200

300

400

500

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)