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ASB Inc.

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

August 2011

ASL563

High Gain, Low Noise Amplifier

1) OIP3 is measured with two tones at an output power of -5 dBm/tone separated by 1MHz.

Top

C1=1.8 pF

C5=1.5 pF

VDD

RF OUT

ASL563

L1=6.8 nH

C3=10 nF

RF IN

L2=6.2 nH

C4=68 pF

C6=10 nF

L3=7.5 nH

L4=6.2 nH

R4=1.1 k

W

R5=8.2 k

W

R2=1.2

k

W

R1=9.1k

W

C7=1

mF

R3=33

W

R6=33

W

*P1

*P2

VDD

C2=1

mF

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

Power Gain

F = 1.575 GHz

24

25

dB

Noise Figure

NF

F = 1.575 GHz

1.1

1.3

dB

Input Return Loss

F = 1.575 GHz

-14

dB

Output Return Loss

F = 1.575 GHz

-12

dB

1 dB Gain Compression

Output Power

F = 1.575 GHz

8

10

dBm

3

Output Power

1)

OIP3

F = 1.575 GHz

14

16

dBm

Circuit Current

F = 1.575 GHz,

Non-RF

7.7

mA

Schematic

S-parameters & Noise Figure

APPLICATION CIRCUIT

(TYPE 1)

GPS

1575 MHz

+3 V

Board Layout (FR4, 16x12 mm

Note: 1) the length of the strip line P1 and P2 are given as below at

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

*P1 Length: 2.8 mm, Width: 0.3 mm

*P2 Length: 1.0 mm, Width: 0.3 mm

2) Gain and S11 are in trade-off and varied with the length of P1 and P2

7mm

1400

1450

1500

1550

1600

1650

1700

1750

1800

0

5

10

15

20

25

30

35

Frequency (MHz)

-40

25

85

1400

1450

1500

1550

1600

1650

1700

1750

1800

-30

-25

-20

-15

-10

-5

0

Frequency (MHz)

-40

25

85

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

1400

1450

1500

1550

1600

1650

1700

1750

1800

-25

-20

-15

-10

-5

0

Frequency (MHz)

-40

25

85

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