AST20S datasheet(7/41 Pages) ASB

Il numero della parte	AST20S

Spiegazioni elettronici	High Gain, Low Noise Amplifier

PDF	41 Pages

Scroll/Zoom	100%

Produttore elettronici	ASB [Advanced Semiconductor Business Inc.]

Homepage	http://www.asb.co.kr

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ASB Inc.

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

February 2017

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 = 900 MHz

22.8

Noise Figure

F = 900 MHz

0.61

Input Return Loss

RLin

F = 900 MHz

-30

Output Return Loss

RLout

F = 900 MHz

-30

1 dB Gain Compression

Output Power

Po(1dB)

F = 900 MHz

dBm

3rd Intercept Point

Output Power1)

OIP3

F = 900 MHz

dBm

Circuit Current

F = 900 MHz

Non-RF

Schematic

S-parameters & Noise Figure

APPLICATION CIRCUIT

GSM, CDMA

Balanced Type

900 MHz

+5 V

Board Layout (FR4, 50x26 mm2, 0.8T)

600

700

800

900

1000

1100

1200

-40

-30

-20

-10

S12

S22

S11

S21

Frequency [MHz]

freq (600.0MHz to 1.200GHz)

S11

S22

500

1000

1500

2000

2500

3000

3500

Frequency (MHz)

600

700

800

900

1000

1100

1200

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

Frequency (MHz)

Coupler : Anaren, XC0900A-03

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