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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.

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C1=1.5 pF

C5=1 pF

VDD

RF OUT

ASL563

L1=3.3 nH

C3=10nF

RF IN

L2=15 nH

C4=10 pF

C6=10 nF

L3=15 nH

L4=3.3 nH

R5=9.1 k

W

R1=8.2 k

W

C7=1

mF

R3=33

W

R4=33

W

*P1

*P2

VDD

C2=1

mF

R2=1.2

k

W

R6=1.1 k

W

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

Power Gain

F = 2.45 GHz

18

19

dB

Noise Figure

NF

F = 2.45 GHz

1

1.1

dB

Input Return Loss

F = 2.45 GHz

-15

dB

Output Return Loss

F = 2.45 GHz

-15

dB

1 dB Gain Compression

Output Power

F = 2.45 GHz

9

11

dBm

3

Output Power

1)

OIP3

F = 2.45 GHz

13

18

dBm

Circuit Current

F = 2.45 GHz,

Non-RF

15

mA

Schematic

S-parameters & Noise Figure

APPLICATION CIRCUIT

2400 ~ 2500 MHz

+3 V / 15mA

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: 2.5 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)

2100

2200

2300

2400

2500

2600

2700

2800

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

Frequency (MHz)

S11

S22

freq (2.100GHz to 2.800GHz)

2100

2200

2300

2400

2500

2600

2700

2800

-40

-30

-20

-10

0

10

20

30

S12

S22

S11

S21

Frequency [MHz]

7mm

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