ASL19W datasheet(7/19 Pages) ASB

7 / 19 page

7/19

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

separated by 1 MHz.

Board Layout (FR4, 40x40 mm

2, 0.8T)

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

Frequency (MHz)

698~787

Magnitude S21 (dB)

Magnitude S11 (dB)

-18

Magnitude S22 (dB)

-14

Output P1dB (dBm)

Output IP3

1) (dBm)

Noise Figure (dB)

0.8

Supply Voltage (V)

Current (mA)

LTE

698 ~ 787

+5 V

Note: A shunt RB is a bias resistor requisite to

operate ASL19W properly, while RD as a

voltage drop resistor is added to apply 4.4 V

to the device. A user can easily REDUCE an

operating current by choosing different RB

values with minimized loss only in OIP3 and

P1dB.

C1=100 pF

L1=82 nH

C3=100 pF

Vcc=5 V

RF IN

RF OUT

C4=100 pF

C5=10 nF

ASL19W

D1=5.6V

Zener Diode

L3=47 nH

C2=4 pF

L2=8.2 nH

R =6.2

Ω

R =8.2

Ω

400

500

600

700

800

900

1000

Frequency [MHz]

400

500

600

700

800

900

1000

-30

-25

-20

-15

-10

-5

Frequency [MHz]

400

500

600

700

800

900

1000

-25

-20

-15

-10

-5

Frequency [MHz]

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

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