ASL20G

Low Noise GPS, GLONASS, Galileo and Compass Amplifier

1000

1200

1400

1600

1800

2000

-20

-15

-10

-5

0

Frequency (MHz)

Frequency (MHz)

1559 ~ 1610

Magnitude S21 (dB)

17

Magnitude S11 (dB)

-6

Magnitude S22 (dB)

-18

Noise Figure (dB)

1.1

-16

Output P1dB( dBm)

-9

Supply Current (mA)

2.5

Supply Voltage (V)

+2.7

Control Current (

µA)

300

+2.7

1) IIP3 is measured with two tones at an input power of -40 dB

m/tone separated by 1MHz.

APPLICATION CIRCUIT

Schematic

S-parameters & K-factor

Note: 1) the length of the strip line P1 is given as below at

the PCB with Er = 4.5 and T = 0.8 mm.

P1 Length: 1 mm, Width: 0.3 mm

2) Gain and S11 are in trade-off and varied with the length of P1

RF IN

RF OUT

L1=6.8 nH

ASL20G

L2=9.1 nH

C1=0.5 pF

C2=0.1

µF

Vsupply

1

2

3

4

5

6

NC

*P1

R1=820

Ω

1000

1200

1400

1600

1800

2000

0

5

10

15

20

25

Frequency (MHz)

1000

1200

1400

1600

1800

2000

-25

-20

-15

-10

-5

0

Frequency (MHz)

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

GPS, GLONASS, Galileo, Compass

1559 ~ 1610 MHz

+2.7 V, 2.5 mA

7/10

ASB Inc.

• sales@asb.co.kr • Tel: +82-42-528-7225

September 2013