AST20S datasheet(15/33 Pages) ASB

15 / 33 page

15/33

ASB Inc.

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

August 2012

AST20S

High Gain, Low Noise Amplifier

1) OIP3 is measured with two tones at an output power of +4 dBm/tone separated by 1MHz.

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

Power Gain

F = 2.6 GHz

Noise Figure

F = 2.6 GHz

0.9

Input Return Loss

RLin

F = 2.6 GHz

-11

Output Return Loss

RLout

F = 2.6 GHz

-15

1 dB Gain Compression

Output Power

Po(1dB)

F = 2.6 GHz

17.5

dBm

rd Intercept Point

Output Power

OIP3

F = 2.6 GHz

dBm

Circuit Current

Icc

F = 2.6 GHz

Non-RF

Schematic

S-parameters & K-factor

APPLICATION CIRCUIT

2600 MHz

+5 V

Board Layout (FR4, 23x13 mm

2, 0.8T)

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: 1.5 mm, Width: 0.3 mm

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

Bottom

Top

C1=5 pF

C2=10 pF

RF OUT

AST20S

C3=10 nF

RF IN

L2=10 nH

*P1

R1=750

C4=1 uF

*P1

VDD

R2=5.1 k

L1=8.2 nH

R3=51

2000

2200

2400

2600

2800

3000

3200

Frequency (MHz)

2000

2200

2400

2600

2800

3000

3200

-20

-15

-10

-5

Frequency (MHz)

2000

2200

2400

2600

2800

3000

3200

-25

-20

-15

-10

-5

Frequency (MHz)

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

AST20S Datasheet(PDF) 15 Page - Advanced Semiconductor Business Inc.

AST20S Datasheet(HTML) 15 Page - Advanced Semiconductor Business Inc.

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

Datasheet Download

Link URL