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ASB Inc.

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

March 2017

ASL20G

Low Noise GPS, GLONASS, Galileo and Compass Amplifier

C3:0.75pF

C4:1uF

L1:8.2nH

C1:10pF

L2:8.2nH

C5:1uF

*P1

C2:1.5pF

RF IN

RF OUT

VS = +3V

VCTL

NC

ASL20G

1

2

3

4

5 6

Frequency (MHz)

1559 ~ 1610

Magnitude S21 (dB)

22.5

Magnitude S11 (dB)

-15

Magnitude S22 (dB)

-15

Noise Figure (dB)

0.65

-12

Output P1dB (dBm)

0

Supply Current (mA)

12

Supply Voltage (V)

+3.0

Control Current (

A)

300

+3.0

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

-40 dBm /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

GPS, GLONASS, Galileo, Compass

1559 ~ 1610 MHz

+3 V, 12 mA