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

December 2010

ASL19H

5-4000 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

100

140

Magnitude S21 (dB)

26.3

26

25.5

Magnitude S11 (dB)

-9

-10

-10

Magnitude S22 (dB)

-16

-18

-18

Output P1dB (dBm)

22

22.2

22

Output IP3

31.5

32.5

33

Noise Figure (dB)

2.2

2.0

2.1

Device Voltage (V)

5

5

5

Current (mA)

73

73

73

tage 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

70 ~ 140 MHz

+5 V

Vcc=5 V

RF IN

RF OUT

C3=100 pF

ASL19H

D1=5.6V

Zener Diode

R =6.2 kW

B

D

R =8.2 W

C1=1 mF

R1=160 W

C2=1 mF

L1=330 nH

C4=10 mF

0

100

200

300

400

500

0

5

10

15

20

25

30

35

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)