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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 +0 dBm/tone separated by 1MHz.

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C1=100 pF

C5=3 pF

VDD

RF OUT

ASL563

L1=15 nH

C3=10 nF

RF IN

L2=33 nH

C4=100 pF

C6=10 nF

L3=33 nH

L4=12 nH

R5=10 k

W

R1=12 k

W

C7=1

mF

R3=82

W

R4=91

W

*P1

*P2

VDD

C2=1

mF

R2=1.2k

W

R6=1.1 k

W

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

Power Gain

F = 900 MHz

33

dB

Noise Figure

NF

F = 900 MHz

0.9

dB

Input Return Loss

F = 900 MHz

-15

dB

Output Return Loss

F = 900 MHz

-20

dB

1 dB Gain Compression

Output Power

F = 900 MHz

11

dBm

3

Output Power

1)

OIP3

F = 900 MHz

23

dBm

Circuit Current

F = 900 MHz,

Non-RF

50

mA

Schematic

S-parameters & Noise Figure

APPLICATION CIRCUIT

900 MHz

+5 V / 50mA

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: 5.3 mm, Width: 0.3 mm

*P2 Length: 0.3 mm, Width: 0.3 mm

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

0

500

1000

1500

2000

2500

3000

3500

0

1

2

3

4

5

Frequency (MHz)

7mm

600

700

800

900

1000

1100

1200

-50

-40

-30

-20

-10

0

10

20

30

40

50

S12

S22

S11

S21

Frequency [MHz]

S11

S22

freq (600.0MHz to 1.200GHz)

600

700

800

900

1000

1100

1200

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

Frequency (MHz)

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